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Moore SS, Costa A, Penasa M, De Marchi M. Effects of different temperature-humidity indexes on milk traits of Holstein cows: A 10-year retrospective study. J Dairy Sci 2024; 107:3669-3687. [PMID: 38246553 DOI: 10.3168/jds.2023-23723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 12/11/2023] [Indexed: 01/23/2024]
Abstract
Test-day records (n = 723,091) collected between 2012 and 2021 from 43,015 Holstein cows at 157 farms located in northern Italy were used to study the effects of heat load on milk production and composition a posteriori. The data consisted of milk yield (kg/d), traditional gross composition traits, somatic cell score (SCS), differential somatic cell count (%), milk β-hydroxybutyrate (BHB, mmol/L), milk urea (mg/dL), and milk fatty acid composition (g/100 g of milk). Test-day records were then associated with their relative temperature-humidity indexes (THI) calculated using historical environmental data registered by weather stations. Indexes were created using either yearly or summer THI data. The yearly indexes included the average daily THI (adTHI) and the maximum daily THI (mdTHI) measured throughout the whole year, and the summer indexes focused on 3 mo only (June-August) and included the average daily summer THI (adTHIs), the maximum daily summer THI (mdTHIs), and the average daily THI of the hottest 4 h of the day (adTHI4h; 1200-1600 h). All indexes had significant effects on the majority of milk traits analyzed, with, in particular, adTHI and mdTHI being highly significant in explaining the variation of all traits. Milk yield started to decline at a higher THI compared with protein and fat content. The reduction in fat ceased in the elevated THI experienced during the summer months, as demonstrated by adTHIs, mdTHIs, and adTHI4h. The cows had a tendency for increased BHB concentration with elevated THI, suggesting a greater risk of negative energy balance in presence of heat stress. Furthermore, the concentration of the de novo fatty acids C14:0 and C16:0 was reduced in higher THI, reflecting altered mammary gland activity upon elevated heat load and stress. Milk SCS tended to increase with higher adTHIs, mdTHIs, and adTHI4h. The use of yearly indexes is recommended when investigating the effects of heat load on milk composition, whereas summer indexes are suggested when investigating traits influenced by extreme conditions, such as SCS and milk yield. With global temperatures expected to further rise in the upcoming decades, early and easy identification of cows or herds suffering from heat stress, such as through changes in milk composition, is crucial for timely intervention. Adapting measures to mitigate such effects of elevated THI on milk yield and composition is a necessity for the dairy industry to prevent detrimental impacts on dairy production.
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Affiliation(s)
- S Sterup Moore
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro (PD), Italy
| | - A Costa
- Department of Veterinary Medical Sciences (DIMEVET), University of Bologna, 40064 Ozzano dell'Emilia (BO), Italy.
| | - M Penasa
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro (PD), Italy
| | - M De Marchi
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro (PD), Italy
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Cabrera D, Fraser K, Roy NC. A metabolomics analysis of inter-species and seasonal trends in ruminant milk: the molecular difference between bovine, caprine and ovine milk. J Dairy Sci 2024:S0022-0302(24)00818-X. [PMID: 38788847 DOI: 10.3168/jds.2023-24595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 04/04/2024] [Indexed: 05/26/2024]
Abstract
Ruminant milk composition can be impacted by many factors, primarily inter-species differences, but also environmental factors (e.g., season, feeding system and feed composition). Pasture-based feeding systems are known to be influenced by seasonal effects on grass composition. Spring pasture is rich in protein and low in fiber compared with late-season pasture, potentially inducing variability in the composition of some milk metabolites across the season. This study aimed to investigate inter-species and seasonal differences in the milk metabolome across the 3 major commercial ruminant milk species from factories in New Zealand: bovine, caprine and ovine milk. Bovine and caprine raw milk samples were collected monthly for a period of 9 mo (August-April, 2016-2017; bovine n = 41, caprine n = 44 samples); while ovine milk samples were collected for a period of 5 mo (August-January, n = 20 samples). Milk samples were subjected to biphasic extraction, and untargeted metabolite profiling was performed using 2 separate liquid chromatography high-resolution mass spectrometry analytical methods (polar metabolites and lipids). Major differences in milk metabolome were observed between the 3-ruminant species, with 414 of 587 (71%) polar metabolite features and 210 of 233 (87%) lipid features significantly different between species. Significant seasonal trends were observed in the polar metabolite fraction for bovine, caprine and ovine milk (17, 24 and 32 metabolites, respectively), suggesting that the polar metabolite relative intensities of ovine and caprine milk were more susceptible to changes within seasons than bovine milk. There was no significant seasonal difference for the triglycerides (TG) species measured in bovine milk, while 3 and 52 TG species changed in caprine and ovine milk, respectively, across the seasons. Four phosphatidylcholines and 2 phosphatidylethanolamines varied in caprine milk within the season, and 8 diglycerides varied in ovine milk. The inter-species and seasonal metabolite differences reported here provide a knowledge base of components potentially linked to milk physiochemical properties, and potential health benefits of New Zealand pasture-fed dairy ingredients.
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Affiliation(s)
- Diana Cabrera
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand; High-Value Nutrition National Science Challenge, New Zealand.
| | - Karl Fraser
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand; High-Value Nutrition National Science Challenge, New Zealand; Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Nicole C Roy
- High-Value Nutrition National Science Challenge, New Zealand; Riddet Institute, Massey University, Palmerston North, New Zealand; Department of Human Nutrition, University of Otago, Dunedin, New Zealand
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Peña F, Serantes D, Rivas M, Castro JP, Torterolo P, Rodríguez-Camejo C, Hernández A, Benedetto L. Acute and chronic sleep restriction differentially modify maternal behavior and milk macronutrient composition in the postpartum rat. Physiol Behav 2024; 278:114522. [PMID: 38492909 DOI: 10.1016/j.physbeh.2024.114522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/22/2024] [Accepted: 03/13/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUNDS Sleep restriction is considered a stressful condition itself, causing a wide variety of physiological alterations, from cognitive and hormonal to immunological status. In addition, it is established that stress in mother rats can modify milk ejection, milk composition, and maternal care of the pups. Also, sleep disturbances during the early stages of motherhood are a common feature of all studied species. In this context, while the impacts of sleep disruption in non-lactating animals were extensively investigated, its repercussions during the initial phases of motherhood have been poorly explored. Therefore, we wonder if maternal behavior, milk ejection and its macronutrient composition would be disrupted when mother rats are subjected to an additional acute or chronic sleep restriction to the already existing sleep disturbances. METHODS Lactating rats were implanted with unilateral electrodes for polysomnographic recordings and for deep brain electrical stimulation into mesopontine waking-promoting area (for sleep deprivation). During the early postpartum period (postpartum day 5-9), mother rats were randomly assigned into one of three groups: chronic sleep restriction group (CSR; 6 h of sleep deprivation/day for five consecutive days), acute sleep restriction group (ASR; 6 h of sleep deprivation only for one day), or undisturbed group (control group). Active maternal behaviors (retrievals of the pups into the nest, mouthing, lickings [corporal and anogenital] and sniffing the pups) and passive maternal behaviors (kyphotic and supine nursing postures) were evaluated during a 30 min period without sleep restriction immediately after the sleep restriction or control period. The litter weight gain was assessed every day, and on the last experimental session mothers were milked for posterior macronutrients analysis (protein, carbohydrates and fat). RESULTS When compared to control group, CSR decreased the amount of milk ejected in the middle days of the sleep restriction period, while ASR did not affect this parameter. Moreover, ASR reduced milk protein content compared to control and CSR groups. Finally, compared to the control group, CSR reduced active maternal behaviors towards the end of the treatment days. CONCLUSIONS We demonstrated that not only acute but also chronic sleep restriction impacts on the postpartum period, each one affecting different aspects of maternal behavior and lactation. Our results suggest the existence of a homeostatic recovery mechanism in breastfeeding during CSR, possibly ensuring the survival of the litter, while the decline in active maternal behaviors appears to be cumulative.
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Affiliation(s)
- Florencia Peña
- Unidad Académica de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Diego Serantes
- Unidad Académica de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Mayda Rivas
- Unidad Académica de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Juan Pedro Castro
- Unidad Académica de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Pablo Torterolo
- Unidad Académica de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Claudio Rodríguez-Camejo
- Área Inmunología, Departamento de Biociencias (DEPBIO), Facultad de Química, Universidad de la República, Montevideo, Uruguay; Unidad Asociada de Inmunología, Instituto de Química Biológica (IQB), Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay; Laboratorio de Inmunología, Instituto de Higiene "Prof. Arnoldo Berta", Universidad de la República, Montevideo, Uruguay
| | - Ana Hernández
- Área Inmunología, Departamento de Biociencias (DEPBIO), Facultad de Química, Universidad de la República, Montevideo, Uruguay; Unidad Asociada de Inmunología, Instituto de Química Biológica (IQB), Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay; Laboratorio de Inmunología, Instituto de Higiene "Prof. Arnoldo Berta", Universidad de la República, Montevideo, Uruguay
| | - Luciana Benedetto
- Unidad Académica de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
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Chen L, Thorup VM, Kudahl AB, Østergaard S. Effects of heat stress on feed intake, milk yield, milk composition, and feed efficiency in dairy cows: A meta-analysis. J Dairy Sci 2024; 107:3207-3218. [PMID: 38101736 DOI: 10.3168/jds.2023-24059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 11/19/2023] [Indexed: 12/17/2023]
Abstract
Heat stress compromises dairy production by decreasing feed intake and milk yield, and it may also alter milk composition and feed efficiency. However, little information is available for evaluating such effects across different levels of heat stress and cows enrolled in heat stress studies. The objectives of this study were to evaluate the effects of heat stress on dry matter intake (DMI), energy-corrected milk (ECM), milk composition, and feed efficiency (kg ECM/kg DMI) and to investigate the relationship between such effects and heat stress intervention and animal characteristics by using meta-analytical approaches. Data from 31 studies (34 trials) fulfilled the inclusion criteria and were used for analysis. Results showed that heat stress decreased DMI, ECM, and milk protein concentration, but did not alter milk fat concentration or feed efficiency. Meta-regression confirmed that such reductions in DMI and ECM were significantly associated with increasing temperature-humidity index (THI). Over the period of heat stress, for each unit increase in THI, DMI and ECM decreased by 4.13% and 3.25%, respectively, in mid-lactation cows. Regression models further revealed the existence of a strong interaction between THI and lactation stage, which partially explained the large heterogeneity in effect sizes of DMI and ECM. The results indicated a need for more research on the relationship between the effect of heat stress and animal characteristics. This study calls for the implementation of mitigation strategies in heat-stressed herds due to the substantial decrease in productivity.
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Affiliation(s)
- L Chen
- Department of Animal and Veterinary Sciences, Aarhus University, Tjele 8830, Denmark.
| | - V M Thorup
- Department of Animal and Veterinary Sciences, Aarhus University, Tjele 8830, Denmark
| | - A B Kudahl
- Department of Animal and Veterinary Sciences, Aarhus University, Tjele 8830, Denmark
| | - S Østergaard
- Department of Animal and Veterinary Sciences, Aarhus University, Tjele 8830, Denmark
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Ma F, Liu J, Li S, Sun P. Effects of Lonicera japonica Extract with Different Contents of Chlorogenic Acid on Lactation Performance, Serum Parameters, and Rumen Fermentation in Heat-Stressed Holstein High-Yielding Dairy Cows. Animals (Basel) 2024; 14:1252. [PMID: 38672400 PMCID: PMC11047513 DOI: 10.3390/ani14081252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/09/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
This examined the effects of Lonicera japonica extract (LJE) with different chlorogenic acid (CGA) contents on lactation performance, antioxidant status and immune function and rumen fermentation in heat-stressed high-yielding dairy cows. In total, 45 healthy Chinese Holstein high-yielding dairy cows, all with similar milk yield, parity, and days in milk were randomly allocated to 3 groups: (1) the control group (CON) without LJE; (2) the LJE-10% CGA group, receiving 35 g/(d·head) of LJE-10% CGA, and (3) the LJE-20% CGA group, receiving 17.5 g/(d·head) of LJE-20% CGA. The results showed that the addition of LJE significantly reduced RT, and enhanced DMI, milk yield, milk composition, and improved rumen fermentation in high-yielding dairy cows experiencing heat stress. Through the analysis of the serum biochemical, antioxidant, and immune indicators, we observed a reduction in CREA levels and increased antioxidant and immune function. In this study, while maintaining consistent CGA content, the effects of addition from both types of LJE are similar. In conclusion, the addition of LJE at a level of 4.1 g CGA/(d·head) effectively relieved heat stress and improved the lactation performance of dairy cows, with CGA serving as the effective ingredient responsible for its anti-heat stress properties.
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Affiliation(s)
- Fengtao Ma
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (F.M.)
- State Key Laboratory of Animal Nutrition and Feeding, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Junhao Liu
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (F.M.)
| | - Shengli Li
- State Key Laboratory of Animal Nutrition and Feeding, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Peng Sun
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (F.M.)
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Stefanska B, Sobolewska P, Fievez V, Pruszynska-Oszmałek E, Purwin C, Nowak W. The effect of heat stress on performance, fertility, and adipokines involved in regulating systemic immune response during lipolysis of early lactating dairy cows. J Dairy Sci 2024; 107:2111-2128. [PMID: 37923214 DOI: 10.3168/jds.2023-23804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 10/10/2023] [Indexed: 11/07/2023]
Abstract
The aim of this study was to assess the potential effect of heat stress on dairy cow productivity, fertility, and biochemical blood indices during the early lactation stage in a temperate climate. Additionally, the study aimed to determine the role of leptin and adiponectin in regulating the immune response accompanying lipolysis after calving in dairy cows. The study included 100 clinically healthy Polish Holstein-Friesian dairy cows selected based on parity and 305 d of milk yield from 5 commercial farms with similar herd management and housing systems. Prospective cohort data were recorded from calving day until 150 d in milk, and microclimate loggers installed inside the barns were used to record temperature and relative humidity data to calculate daily temperature-humidity index (THI) on the calving day, through +7, +14, and +21 d during early lactation. Additionally, monthly productive performance parameters such as milk yield, chemical composition, fatty acids composition, and fertility indices were analyzed. Results showed that the THI from calving day through +7, +14, and +21 d during early lactation was negatively associated with fertility parameters such as delayed first estrus postpartum and an elongated calving interval, respectively, by 29, 27, 25, and 16 d. Furthermore, an increase in THI value during early lactation was associated with an elongated artificially inseminated service period, days open, and intercalving period. Increasing THI from calving day (0 d) through +7, +14, and up to +21 d during early lactation was also linked to decreased milk yield by 3.20, 4.10, 5.60, and 5.60 kg, respectively. The study also found that heat stress during early lactation was associated with a lower body condition score in dairy cows and higher concentrations of leptin, nonesterified fatty acids, and β-hydroxybutyrate, accompanied by a drastic reduction in adipose tissue-secreted adiponectin levels after calving. Additionally, heat stress-induced lipolysis in adipose tissue caused an inflammatory response that increased biochemical blood indices associated with immune responses such as cytokines, acute phase proteins, and heat shock protein. These findings suggest that exposing dairy cows to heat stress during early lactation can negatively affect their productive performance, fertility, and biochemical blood indices in subsequent lactations. Thus, farm management changes should be implemented during early lactation to mitigate the negative consequences of heat stress occurrence.
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Affiliation(s)
- B Stefanska
- Department of Grassland and Natural Landscape Sciences, Poznań University of Life Sciences, 60-632 Poznań, Poland.
| | - P Sobolewska
- Department of Grassland and Natural Landscape Sciences, Poznań University of Life Sciences, 60-632 Poznań, Poland
| | - V Fievez
- Department of Animal Sciences and Aquatic Ecology, Ghent University, 9000 Gent, Belgium
| | - E Pruszynska-Oszmałek
- Department of Animal Physiology, Biochemistry, and Biostructure, Poznań University of Life Science, 60-637 Poznań, Poland
| | - C Purwin
- Department of Animal Nutrition, Feed Science, and Cattle Breeding, University of Warmia and Mazury, 10-719 Olsztyn, Poland
| | - W Nowak
- Department of Animal Nutrition, Poznań University of Life Sciences, 60-637 Poznań, Poland
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7
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Kim H, Jo JH, Lee HG, Park W, Lee HK, Park JE, Shin D. Inflammatory response in dairy cows caused by heat stress and biological mechanisms for maintaining homeostasis. PLoS One 2024; 19:e0300719. [PMID: 38527055 PMCID: PMC10962848 DOI: 10.1371/journal.pone.0300719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 03/04/2024] [Indexed: 03/27/2024] Open
Abstract
Climate change increases global temperatures, which is lethal to both livestock and humans. Heat stress is known as one of the various livestock stresses, and dairy cows react sensitively to high-temperature stress. We aimed to better understand the effects of heat stress on the health of dairy cows and observing biological changes. Individual cows were divided into normal (21-22 °C, 50-60% humidity) and high temperature (31-32 °C, 80-95% humidity), respectively, for 7-days. We performed metabolomic and transcriptome analyses of the blood and gut microbiomes of feces. In the high-temperature group, nine metabolites including linoleic acid and fructose were downregulated, and 154 upregulated and 72 downregulated DEGs (Differentially Expressed Genes) were identified, and eighteen microbes including Intestinimonas and Pseudoflavonifractor in genus level were significantly different from normal group. Linoleic acid and fructose have confirmed that associated with various stresses, and functional analysis of DEG and microorganisms showing significant differences confirmed that high-temperature stress is related to the inflammatory response, immune system, cellular energy mechanism, and microbial butyrate production. These biological changes were likely to withstand high-temperature stress. Immune and inflammatory responses are known to be induced by heat stress, which has been identified to maintain homeostasis through modulation at metabolome, transcriptome and microbiome levels. In these findings, heat stress condition can trigger alteration of immune system and cellular energy metabolism, which is shown as reduced metabolites, pathway enrichment and differential microbes. As results of this study did not include direct phenotypic data, we believe that additional validation is required in the future. In conclusion, high-temperature stress contributed to the reduction of metabolites, changes in gene expression patterns and composition of gut microbiota, which are thought to support dairy cows in withstanding high-temperature stress via modulating immune-related genes, and cellular energy metabolism to maintain homeostasis.
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Affiliation(s)
- Hana Kim
- Department of Animal Biotechnology, Jeonbuk National University, Jeonju, Jeollabuk-do, Republic of Korea
| | - Jang-Hoon Jo
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, Republic of Korea
| | - Hong-Gu Lee
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, Republic of Korea
| | - Woncheoul Park
- Division of Animal Genomics and Bioinformatics, National Institute of Animal Science, Rural Development Administration, Wanju, Jeollabuk-do, Republic of Korea
| | - Hak-Kyo Lee
- Department of Animal Biotechnology, Jeonbuk National University, Jeonju, Jeollabuk-do, Republic of Korea
| | - Jong-Eun Park
- Department of Animal Biotechnology, College of Applied Life Science, Jeju National University, Jeju, Jeju-do, Republic of Korea
| | - Donghyun Shin
- Agricultural Convergence Technology, Jeonbuk National University, Jeonju, Jeollabuk-do, Republic of Korea
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8
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Ellett MD, Rhoads RP, Hanigan MD, Corl BA, Perez-Hernandez G, Parsons CLM, Baumgard LH, Daniels KM. Relationships Between Gastrointestinal Permeability, Heat Stress, And Milk Production in Lactating Dairy Cows. J Dairy Sci 2024:S0022-0302(24)00516-2. [PMID: 38428497 DOI: 10.3168/jds.2023-24043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 02/02/2024] [Indexed: 03/03/2024]
Abstract
Heat stress (HS) is a global issue that decreases farm profits and compromises animal welfare. To distinguish between the direct and indirect effects of HS, 16 multiparous Holstein cows approximately 100 d in milk were assigned to one of 2 treatments: pair fed to match HS cow intake, housed in thermoneutral conditions (PFTN, n = 8) or cyclical HS (n = 8). All cows were subjected to 2 experimental periods. P1 consisted of a 4 d thermoneutral period with ad libitum intake. During P2, the HS cows were housed in cyclical HS conditions with a temperature humidity index (THI) ranging from 76 to 80 and the PFTN cows were exposed to a constant THI of 64 for 4 d. DMI of the PFTN cow was intake matched to the HS cows. Milk yield, milk composition, rectal temperature, and respiration rate were recorded twice daily, blood was collected daily via a jugular catheter, and cows were fed twice daily. On d 3 of each period, Cr-EDTA and sucralose were orally administered and recovered via 24 h total urine collection to assess gastrointestinal permeability (GIP). All data were analyzed using the GLIMMIX procedure in SAS. The daily data collected in P1 was averaged and used as a covariate if deemed significant in the model. HS decreased voluntary intake by 35% and increased rectal temperature and respiration rate (38.4 vs 39.4°C and 40 vs 71 respirations/min, respectively). HS reduced dry matter intake (DMI) by 35% which accounted for 66% of the decrease in milk yield. The yield, and not concentration, of milk protein, fat, and other solids were lower in the HS cows on d 4 of P2. Milk urea nitrogen (MUN) was higher and plasma urea nitrogen (PUN) tended to be higher on d 3 and d 4 of HS. Glucose was 7% lower in the HS cows and insulin was 71% higher in the HS cows than the PFTN cows on d 4 of P2. No difference in lipopolysaccharide binding protein (LBP) was observed. HS cows produced 7 L/d more urine than PFTN cows. No differences were detected in the urine concentration or percentage of the oral dose recovered for Cr-EDTA or sucralose. In conclusion, HS was responsible for 34% of the reduction of milk yield. The elevated MUN and the tendency for elevated PUN indicate a whole-body shift in nitrogen metabolism. No differences in GIP or LBP were observed. These results indicate that, under conditions of this experiment, activation of the immune system by gut derived lipopolysaccharide was not responsible for the decreased milk yield observed during HS.
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Affiliation(s)
- M D Ellett
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
| | - R P Rhoads
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
| | - M D Hanigan
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
| | - B A Corl
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
| | - G Perez-Hernandez
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
| | - C L M Parsons
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames, 50011, United States
| | - K M Daniels
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061.
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Jo JH, Jalil GN, Kim WS, Moon JO, Lee SD, Kwon CH, Lee HG. Effects of Rumen-Protected L-Tryptophan Supplementation on Productivity, Physiological Indicators, Blood Profiles, and Heat Shock Protein Gene Expression in Lactating Holstein Cows under Heat Stress Conditions. Int J Mol Sci 2024; 25:1217. [PMID: 38279240 PMCID: PMC10816680 DOI: 10.3390/ijms25021217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 01/28/2024] Open
Abstract
In this study, we examined the effects of rumen-protected L-tryptophan supplementation on the productivity and physiological metabolic indicators in lactating Holstein cows under heat stress conditions. The study involved eight early lactating Holstein cows (days in milk = 40 ± 9 days; milk yield 30 ± 1.5 kg/day; parity 1.09 ± 0.05, p < 0.05), four cows per experiment, with environmentally controlled chambers. In each experiment, two distinct heat stress conditions were created: a low-temperature and low-humidity (LTLH) condition at 25 °C with 35-50% humidity and a high-temperature and high-humidity (HTHH) condition at 31 °C with 80-95% humidity. During the adaptation phase, the cows were subjected to LTLH and HTHH conditions for 3 days. This was followed by a 4-day heat stress phase and then by a 7-day phase of heat stress, which were complemented by supplementation with rumen-protected L-tryptophan (ACT). The findings revealed that supplementation with ACT increased dry matter intake as well as milk yield and protein and decreased water intake, heart rate, and rectal temperature in the HTHH group (p < 0.05). For plateletcrit (PCT, p = 0.0600), the eosinophil percentage (EOS, p = 0.0880) showed a tendency to be lower, while the monocyte (MONO) and large unstained cells (LUC) amounts were increased in both groups (p < 0.05). Albumin and glucose levels were lower in the HTHH group (p < 0.05). The gene expressions of heat shock proteins 70 and 90 in the peripheral blood mononuclear cells were higher in the ACT group (HTHH, p < 0.05). These results suggest that ACT supplementation improved productivity, physiological indicators, blood characteristics, and gene expression in the peripheral blood mononuclear cells of early lactating Holstein cows under heat-stress conditions. In particular, ACT supplementation objectively relieved stress in these animals, suggesting that L-tryptophan has potential as a viable solution for combating heat-stress-induced effects on the cattle in dairy farming.
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Affiliation(s)
- Jang-Hoon Jo
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Republic of Korea; (J.-H.J.); (G.N.J.)
| | - Ghassemi Nejad Jalil
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Republic of Korea; (J.-H.J.); (G.N.J.)
| | - Won-Seob Kim
- Department of Animal Science, Michigan State University, East Lansing, MI 48824, USA;
| | - Jun-Ok Moon
- Institute of Integrated Technology, CJ CheilJedang, Suwon 16495, Republic of Korea;
| | - Sung-Dae Lee
- Animal Nutrition and Physiology Team, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Republic of Korea;
| | - Chan-Ho Kwon
- Department of Animal Science, Kyungpook National University, Sangju 37224, Republic of Korea;
| | - Hong-Gu Lee
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Republic of Korea; (J.-H.J.); (G.N.J.)
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Giannone C, Bovo M, Ceccarelli M, Torreggiani D, Tassinari P. Review of the Heat Stress-Induced Responses in Dairy Cattle. Animals (Basel) 2023; 13:3451. [PMID: 38003069 PMCID: PMC10668733 DOI: 10.3390/ani13223451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/02/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
In the dairy cattle sector, the evaluation of the effects induced by heat stress is still one of the most impactful and investigated aspects as it is strongly connected to both sustainability of the production and animal welfare. On the other hand, more recently, the possibility of collecting a large dataset made available by the increasing technology diffusion is paving the way for the application of advanced numerical techniques based on machine learning or big data approaches. In this scenario, driven by rapid change, there could be the risk of dispersing the relevant information represented by the physiological animal component, which should maintain the central role in the development of numerical models and tools. In light of this, the present literature review aims to consolidate and synthesize existing research on the physiological consequences of heat stress in dairy cattle. The present review provides, in a single document, an overview, as complete as possible, of the heat stress-induced responses in dairy cattle with the intent of filling the existing research gap for extracting the veterinary knowledge present in the literature and make it available for future applications also in different research fields.
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Affiliation(s)
| | - Marco Bovo
- Department of Agricultural and Food Sciences (DISTAL), Alma Mater Studiorum University of Bologna, Viale Fanin 48, 40127 Bologna, Italy; (C.G.); (M.C.); (D.T.); (P.T.)
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11
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de Lima Guimarães Yamada K, Dos Santos GT, Damasceno JC, de Almeida KV, Osorio JAC, Lourenço JCS, Gurgel ALC, Dias-Silva TP, de Araújo MJ, Ítavo LCV, Benchaar C. Effects of heat-stress-reducing systems on blood constituents, milk production and milk quality of Holstein and Jersey cows and heifers on pasture. Trop Anim Health Prod 2023; 55:386. [PMID: 37907781 DOI: 10.1007/s11250-023-03808-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 10/24/2023] [Indexed: 11/02/2023]
Abstract
The objective of this study was to evaluate the influence of different heat-stress-reducing systems, i.e., sprinkler + artificial shade, shower + artificial shade, and artificial shade, on serum mineral, hormonal, hematological, and metabolite profiles, on milk production, and milk composition in lactating cows and pubertal heifers of Holstein and Jersey breeds. For this purpose, 12 animals were used: 3 Holstein cows with an average (mean ± SD) body weight of 600 ± 30 kg, 53 ± 11 months of age, and milk yield of 27 ± 3.5 kg/day; 3 Jersey cows with an average body weight of 370 ± 11 kg, 40 ± 6 months of age, and milk production of 11 ± 1.5 kg/day; 3 Holstein heifers (325 ± 25 kg and 16 ± 0.6 months of age); and 3 Jersey heifers (250 ± 25 kg and 13 ± 0.6 months of age). Animals were used in a replicated 3 × 3 Latin square design with a 3 × 2 × 2 factorial arrangement of treatments that included three treatments (sprinkler + artificial shade, shower + artificial shade, and artificial shade), two breeds (Holstein, Jersey), and two physiological stages (lactating cows, heifers). The experimental treatments influenced (P < 0.05) the concentrations of triiodothyronine, with the shower and shade systems showing greater and similar concentrations (99.5 and 96.3 µg/dL, respectively) when compared with sprinkler treatment (89.2 µg/dL). There was an effect (P < 0.05) of breed on the concentrations of Na + , K + , hemoglobin, hematocrit and mean corpuscular volume levels with the Holsteins having lower levels of Na + , K + , hemoglobin, hematocrit and mean corpuscular volume (101.1, 4.0 ng/mL, 11.2 g/dL, 24.7%, and 42.3 μm3, respectively) than the Jerseys (106.5 and 4.3 ng/mL, 12.4 g/dL, 27.7%, and 46.3 μm3, respectively. Total cholesterol and high-density lipoproteins were influenced by physiological stage (P < 0.05). Concentrations of cholesterol and high-density lipoproteins were higher for cows (94.1, and 56.9 mg/dL, respectively) than for heifers (56.9 and 42,9 mf/dL, respectively). Milk production and fat content were affected (P < 0.05) by breed (P < 0.05), with Holstein cows producing more milk (23.9 kg/day) than Jersey cows (12.0 kg/day), but Jersey cows had higher fat concentration (4.6%) than Holstein cows (3.0%). Therefore, the three different thermal-stress-reducing-systems tested were able to maintain the serum biomarkers within normal physiological ranges. However, the most appropriate thermal-stress-reducing-systems would be a sprinkler systema because it uses less water compared with the shower system.
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Affiliation(s)
| | | | - Júlio César Damasceno
- Department of Animal Sciences, State University of Maringá, Maringá, Paraná, 87020900, Brazil
| | | | | | | | | | | | - Marcos Jácome de Araújo
- Campus Professora Cinobelina Elvas, Federal University of Piauí, Bom Jesus, Piauí, 64900-000, Brazil
| | - Luís Carlos Vinhas Ítavo
- Faculty of Veterinary Medicine and Animal Science, Federal University of Mato Grosso Do Sul, Campo Grande, Mato Grosso Do Sul, 79070-900, Brazil
| | - Chaouki Benchaar
- Agriculture and Agri-Food Canada, Sherbrooke Research and Development Centre, 2000 College Street, Sherbrooke, QC, J1M 1Z3, Canada
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12
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Loor JJ, Lopreiato V, Palombo V, D’Andrea M. Physiological impact of amino acids during heat stress in ruminants. Anim Front 2023; 13:69-80. [PMID: 37841758 PMCID: PMC10575319 DOI: 10.1093/af/vfad052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023] Open
Affiliation(s)
- Juan J Loor
- Department of Animal Sciences, Division of Nutritional Sciences, University of Illinois, Urbana, IL 61801, USA
| | - Vincenzo Lopreiato
- Department of Veterinary Sciences, Università degli Studi di Messina, Viale Palatucci snc 98168, Messina, Italy
| | - Valentino Palombo
- Department of Agricultural, Environmental and Food Sciences, Università degli Studi del Molise, via De Sanctis snc 86100, Campobasso, Italy
| | - Mariasilvia D’Andrea
- Department of Agricultural, Environmental and Food Sciences, Università degli Studi del Molise, via De Sanctis snc 86100, Campobasso, Italy
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13
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Halli K, Cohrs I, Brügemann K, Koch C, König S. Effects of temperature-humidity index on blood metabolites of German dairy cows and their female calves. J Dairy Sci 2023; 106:7281-7294. [PMID: 37500442 DOI: 10.3168/jds.2022-22890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 03/31/2023] [Indexed: 07/29/2023]
Abstract
Heat stress (HS) impairs productivity, health, and welfare in dairy cows, and additionally causes metabolic changes. Hence, specific metabolites could be used as HS biomarkers. Consequently, the aim of the present study was to compare blood metabolite concentrations of German Holstein dairy cows and of their female calves suffering from high temperature-humidity index (THI) during late gestation (cows) or during their first week of life (calves) or not. According to the mean daily THI (mTHI) at the day before blood sampling, animals were classified into 2 groups: high mTHI ≥60 (hmTHI) and low mTHI <60 (lmTHI). To perform a standard cross-sectional 2-group study, cow groups (n = 48) and calf groups (n = 47) were compared separately. Differences in metabolite concentrations between hmTHI and lmTHI animals were inferred based on a targeted metabolomics approach. In the first step, processed metabolomics data were evaluated by multivariate data analysis techniques, and were visualized using the web-based platform MetaboAnalyst V5.0. The most important metabolites with pronounced differences between groups were further analyzed in a second step using linear mixed models. We identified 9 thermally sensitive metabolites for the cows [dodecanedioic acid; 3-indolepropionic acid; sarcosine; triglycerides (14:0_34:0), (16:0_38:7), (18:0_32:1), and (18:0_36:2); phosphatidylcholine aa C38:1; and lysophosphatidylcholine a C20:3] and for the calves [phosphatidylcholines aa C38:1, ae C38:3, ae C36:0, and ae C36:2; cholesteryl esters (17:1) and (20:3); sphingomyelins C18:0 and C18:1; and p-cresol sulfate], most of them related to lipid metabolism. Apart from 2 metabolites (3-indolepropionic acid and sarcosine) in cows, the metabolite plasma concentrations were lower in hmTHI than in lmTHI groups. In our heat-stressed dry cows, results indicate an altered lipid metabolism compared with lactating heat-stressed cows, due to the missing antilipolytic effect of HS. The results also indicate alterations in lipid metabolism of calves due to high mTHI in the first week of life. From a cross-generation perspective, high mTHI directly before calving seems to reduce colostrum quality, with detrimental effects on metabolite concentrations in offspring.
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Affiliation(s)
- K Halli
- Institute of Animal Breeding and Genetics, Justus Liebig University, 35390 Giessen, Germany.
| | - I Cohrs
- Educational and Research Centre for Animal Husbandry, Hofgut Neumuehle, 67728 Muenchweiler an der Alsenz, Germany
| | - K Brügemann
- Institute of Animal Breeding and Genetics, Justus Liebig University, 35390 Giessen, Germany
| | - C Koch
- Educational and Research Centre for Animal Husbandry, Hofgut Neumuehle, 67728 Muenchweiler an der Alsenz, Germany
| | - S König
- Institute of Animal Breeding and Genetics, Justus Liebig University, 35390 Giessen, Germany
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14
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Guo Y, Li L, Yan S, Shi B. Plant Extracts to Alleviating Heat Stress in Dairy Cows. Animals (Basel) 2023; 13:2831. [PMID: 37760231 PMCID: PMC10525364 DOI: 10.3390/ani13182831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Heat stress (HS) in cows is a critical issue in the dairy industry. Dairy cows accumulate heat from body metabolism, along with that imposed by air temperature, humidity, air flow and solar radiation. HS in animals can occur during hot and humid summers when the ambient temperature is extremely high. Dairy cows have relatively high feed intakes and metabolic heat production and are thus susceptible to HS, leading to reductions in feed intake, lower milk yield, affected milk quality, reduced animal health and even shortening the productive lifespan of cows. Therefore, alleviating HS is a top priority for the dairy industry. Suitable plant extracts have advantages in safety, efficiency and few toxic side effects or residues for applications to alleviate HS in dairy cows. This paper reviews the effects of some plant extract products on alleviating HS in dairy cows and briefly discusses their possible mechanisms of action.
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Affiliation(s)
| | | | - Sumei Yan
- Key Laboratory of Animal Nutrition and Feed Science at University of Inner Mongolia Autonomous Region, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
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15
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Wickramasinghe HKJP, Stepanchenko N, Oconitrillo MJ, Goetz BM, Abeyta MA, Gorden PJ, Baumgard LH, Appuhamy JADRN. Effects of a phytogenic feed additive on weaned dairy heifer calves subjected to a diurnal heat stress bout. J Dairy Sci 2023; 106:6114-6127. [PMID: 37479578 DOI: 10.3168/jds.2022-22856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 03/17/2023] [Indexed: 07/23/2023]
Abstract
The study objective was to evaluate the effects of a phytogenic feed additive (PFA) on dry matter intake (DMI), average daily gain (ADG), inflammation, and oxidative stress markers of heifer calves exposed to a heat stress bout in the summer. A total of18 Holstein and 4 Jersey heifer calves (192 ± 5 kg of body weight at 162 ± 16 d of age) housed in indoor stalls were assigned to 1 of 2 dietary treatments (n = 11; 9 Holstein and 2 Jersey): (1) a basal total mixed ration (CTL), and (2) CTL top-dressed with 0.25 g/d of PFA. Following 7 d of acclimation, baseline measurements were made over 7 d under regular summer conditions [average temperature-humidity index (THI) = 79 from 0900 to 2000 h, and 75 from 2000 to 0900 h]. Calves were then subjected to a 7-d cyclic heat stress bout (HS) by turning on barn heaters and increasing the barn temperature to 33.0°C only during the daytime (the average THI = 85 from 0900 to 2000 h). The study continued for an extra 4-d period after HS ended (post-HS). The HS increased rectal temperature, skin temperature, and respiration rate from the baseline by 1.0°C, 4.0°C, and 49 breaths/min, respectively. The drinking water intake increased by 32% in response to HS, and calves continued to consume more water (44%) than the baseline consumption even after HS ended. The treatment × time interactions were not significant for feed intake, ADG, partial pressure of O2 in the blood, and blood concentrations of inflammation markers such as haptoglobin and lipopolysaccharide binding protein (LBP), and antioxidant markers such as protein carbonyl and thiobarbituric acid (TBARS). The PFA tended to increase daytime DMI (0.24 kg/d) compared with CTL throughout the experiment but did not affect ADG, which decreased from 1.12 kg/d to 0.26 kg/d in response to HS. Both DMI (13%) and ADG (85%) increased during post-HS relative to baseline, indicating compensatory performances that were not affected by the PFA. Serum haptoglobin and plasma LBP concentrations of PFA calves were 44% and 38% lower than that of CTL calves across all time points. The PFA decreased O2 pressure and tended to decrease protein carbonyl concentration in the blood across all time points. The PFA tended to decrease TBARS concentration on the first day of HS and increase and decrease the ratio of reduced to oxidized glutathione in the blood during the baseline and post-HS periods, respectively. Despite the lack of growth improvements, feeding PFA seems to increase O2 levels in the blood and alleviate oxidative stress and inflammation of heifer calve exposed to diurnal heat waves (~7 d) in the summer.
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Affiliation(s)
| | - N Stepanchenko
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - M J Oconitrillo
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - B M Goetz
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - M A Abeyta
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - P J Gorden
- Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, IA 50011
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames, IA 50011
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16
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Hu L, Brito LF, Luo H, Chen S, Johnson JS, Sammad A, Guo G, Xu Q, Wang Y. Differential Responses of Physiological Parameters, Production Traits, and Blood Metabolic Profiling between First- and Second-Parity Holstein Cows in the Comparison of Spring versus Summer Seasons. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:11902-11920. [PMID: 37490609 DOI: 10.1021/acs.jafc.3c00043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
Heat stress (HS) negatively influences cows' welfare and productivity. Therefore, a better understanding of the physiological and molecular mechanisms of HS responses from multiple parities is paramount for the development of effective management and breeding strategies. In comparison with first-parity cows in the spring (Spring-1), first-parity cows in the summer (Summer-1) had a significantly higher rectal temperature (RT), respiration rate (RR), drooling score (DS), and daily activity (DA), while lower (P < 0.05) daily rumination (DR), seven-day average milk yield (7AMY), milk yield on sampling day (MY_S), milk yield on test day (MY_T), and lactose percentage (LP) were observed. When comparing the spring (Spring-2) and summer (Summer-2) of the second-parity cows, significant differences were also found in RT, RR, DS, DA, and DR (P < 0.05), corresponding to similar trends with the first parity while having smaller changes. Moreover, significantly negative impacts on performance traits were only observed on fat percentage (FP) and LP. These results showed that there were different biological responses between first- and second-parity Holstein cows. Further, 18 and 17 metabolites were involved in the seasonal response of first- and second-parity cows, respectively. Nine differential metabolites were shared between the two parities, and pathway analyses suggested that cows had an inhibited tricarboxylic acid cycle, increased utilization of lipolysis, and a dysregulated gut microbiome during the summer. The metabolites identified exclusively for each parity highlighted the differences in microbial response and host amino acid metabolism between two parities in response to HS. Moreover, glucose, ethanol, and citrate were identified as potential biomarkers for distinguishing individuals between Spring-1 and Summer-1. Ethanol and acetone were better predictors for distinguishing individuals between Spring-2 and Summer-2. Taken together, the present study demonstrated the impact of naturally induced HS on physiological parameters, production traits, and the blood metabolome of Holstein cows. There are different biological responses and regulation mechanisms between first- and second-parity Holstein cows.
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Affiliation(s)
- Lirong Hu
- Key Laboratory of Animal Genetics, Breeding and Reproduction, MARA, National Engineering Laboratory for Animal Breeding, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
- College of Life Sciences and Bioengineering, Beijing Jiaotong University, Beijing 100044, China
- Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907, United States
| | - Luiz F Brito
- Department of Animal Sciences, Purdue University, West Lafayette, Indiana 47907, United States
| | - Hanpeng Luo
- Key Laboratory of Animal Genetics, Breeding and Reproduction, MARA, National Engineering Laboratory for Animal Breeding, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Shaokan Chen
- Beijing Sunlon Livestock Development Co. Ltd, Beijing 100176, China
| | - Jay S Johnson
- USDA-ARS Livestock Behavior Research Unit, West Lafayette, Indiana 47907, United States
| | - Abdul Sammad
- Key Laboratory of Animal Genetics, Breeding and Reproduction, MARA, National Engineering Laboratory for Animal Breeding, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Gang Guo
- Beijing Sunlon Livestock Development Co. Ltd, Beijing 100176, China
| | - Qing Xu
- College of Life Sciences and Bioengineering, Beijing Jiaotong University, Beijing 100044, China
| | - Yachun Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction, MARA, National Engineering Laboratory for Animal Breeding, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
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17
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Su M, Lin X, Xiao Z, She Y, Deng M, Liu G, Sun B, Guo Y, Liu D, Li Y. Genome-Wide Association Study of Lactation Traits in Chinese Holstein Cows in Southern China. Animals (Basel) 2023; 13:2545. [PMID: 37570353 PMCID: PMC10417049 DOI: 10.3390/ani13152545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/04/2023] [Accepted: 08/06/2023] [Indexed: 08/13/2023] Open
Abstract
Lactation traits are economically important for dairy cows. Southern China has a high-temperature and high-humidity climate, and environmental and genetic interactions greatly impact dairy cattle performance. The aim of this study was to identify novel single-nucleotide polymorphism sites and novel candidate genes associated with lactation traits in Chinese Holstein cows under high-temperature and humidity conditions in southern China. A genome-wide association study was performed for the lactation traits of 392 Chinese Holstein cows, using GGP Bovine 100 K SNP gene chips. Some 23 single nucleotide polymorphic loci significantly associated with lactation traits were screened. Among them, 16 were associated with milk fat rate, 7 with milk protein rate, and 3 with heat stress. A quantitative trait locus that significantly affects milk fat percentage in Chinese Holstein cows was identified within a window of approximately 0.5 Mb in the region of 0.4-0.9 Mb on Bos taurus autosome 14. According to Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses, ten genes (DGAT1, IDH2, CYP11B1, GFUS, CYC1, GPT, PYCR3, OPLAH, ALDH1A3, and NAPRT) associated with lactation fat percentage, milk yield, antioxidant activity, stress resistance, and inflammation and immune response were identified as key candidates for lactation traits. The results of this study will help in the development of an effective selection and breeding program for Chinese Holstein cows in high-temperature and humidity regions.
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Affiliation(s)
- Minqiang Su
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Xiaojue Lin
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Zupeng Xiao
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Yuanhang She
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Ming Deng
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Guangbin Liu
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Baoli Sun
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Yongqing Guo
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Dewu Liu
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
| | - Yaokun Li
- College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (M.S.); (X.L.); (Z.X.); (Y.S.); (M.D.); (G.L.); (B.S.); (Y.G.)
- National Local Joint Engineering Research Center of Livestock and Poultry, South China Agricultural University, Guangzhou 510642, China
- Guangdong Key Laboratory of Agricultural Animal Genomics and Molecular Breeding, South China Agricultural University, Guangzhou 510640, China
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18
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Li G, Yu X, Portela Fontoura AB, Javaid A, de la Maza-Escolà VS, Salandy NS, Fubini SL, Grilli E, McFadden JW, Duan JE. Transcriptomic regulations of heat stress response in the liver of lactating dairy cows. BMC Genomics 2023; 24:410. [PMID: 37474909 PMCID: PMC10360291 DOI: 10.1186/s12864-023-09484-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 06/24/2023] [Indexed: 07/22/2023] Open
Abstract
BACKGROUND The global dairy industry is currently facing the challenge of heat stress (HS). Despite the implementation of various measures to mitigate the negative impact of HS on milk production, the cellular response of dairy cows to HS is still not well understood. Our study aims to analyze transcriptomic dynamics and functional changes in the liver of cows subjected to heat stress (HS). To achieve this, a total of 9 Holstein dairy cows were randomly selected from three environmental conditions - heat stress (HS), pair-fed (PF), and thermoneutral (TN) groups - and liver biopsies were obtained for transcriptome analysis. RESULTS Both the dry matter intake (DMI) and milk yield of cows in the HS group exhibited significant reduction compared to the TN group. Through liver transcriptomic analysis, 483 differentially expressed genes (DEGs) were identified among three experimental groups. Especially, we found all the protein coding genes in mitochondria were significantly downregulated under HS and 6 heat shock proteins were significant upregulated after HS exposure, indicating HS may affect mitochondria integrity and jeopardize the metabolic homeostasis in liver. Furthermore, Gene ontology (GO) enrichment of DEGs revealed that the protein folding pathway was upregulated while oxidative phosphorylation was downregulated in the HS group, corresponding to impaired energy production caused by mitochondria dysfunction. CONCLUSIONS The liver transcriptome analysis generated a comprehensive gene expression regulation network upon HS in lactating dairy cows. Overall, this study provides novel insights into molecular and metabolic changes of cows conditioned under HS. The key genes and pathways identified in this study provided further understanding of transcriptome regulation of HS response and could serve as vital references to mitigate the HS effects on dairy cow health and productivity.
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Affiliation(s)
- Guangsheng Li
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, 14853, USA
| | - Xingtan Yu
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, 14853, USA
| | - Ananda B Portela Fontoura
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, 14853, USA
| | - Awais Javaid
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, 14853, USA
| | - Víctor Sáinz de la Maza-Escolà
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, 14853, USA
- Dipartamento di Scienze Mediche Veterinarie, Università di Bologna, Bologna, 40064, Italy
| | - Nia S Salandy
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, 14853, USA
- Department of Agriculture and Environmental Sciences, Tuskegee University, Tuskegee, 36088, USA
| | - Susan L Fubini
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, 14853, USA
| | - Ester Grilli
- Dipartamento di Scienze Mediche Veterinarie, Università di Bologna, Bologna, 40064, Italy
- VetAgro S.p.A, Reggio Emilia, 42124, Italy
| | - Joseph W McFadden
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, 14853, USA.
| | - Jingyue Ellie Duan
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, 14853, USA.
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Roths M, Abeyta MA, Wilson B, Rudolph TE, Hudson MB, Rhoads RP, Baumgard LH, Selsby JT. Effects of heat stress on markers of skeletal muscle proteolysis in dairy cattle. J Dairy Sci 2023:S0022-0302(23)00356-9. [PMID: 37349209 DOI: 10.3168/jds.2022-22678] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 03/20/2023] [Indexed: 06/24/2023]
Abstract
Heat stress (HS) markedly affects postabsorptive energetics and protein metabolism. Circulating urea nitrogen increases in multiple species during HS and it has been traditionally presumed to stem from increased skeletal muscle proteolysis; however, this has not been empirically established. We hypothesized HS would increase activation of the calpain and proteasome systems as well as increase degradation of autophagosomes in skeletal muscle. To test this hypothesis, lactating dairy cows (∼139 d in milk; parity ∼2.4) were exposed to thermal neutral (TN) or HS conditions for 7 d (8 cows/environment). To induce HS, cattle were fitted with electric blankets for the duration of the heating period and the semitendinosus was biopsied on d 7. Heat stress increased rectal temperature (1.3°C) and respiratory rate (38 breaths per minute) while it decreased dry matter intake (34%) and milk yield (32%). Plasma urea nitrogen (PUN) peaked following 3 d (46%) and milk urea nitrogen (MUN) peaked following 4 d of environmental treatment and while both decreased thereafter, PUN and MUN remained elevated compared with TN (PUN: 20%; MUN: 27%) on d 7 of HS. Contrary to expectations, calpain I and II abundance and activation and calpain activity were similar between groups. Likewise, relative protein abundance of E3 ligases, muscle atrophy F-box protein/atrogin-1 and muscle ring-finger protein-1, total ubiquitinated proteins, and proteasome activity were similar between environmental treatments. Finally, autophagosome degradation was also unaltered by HS. Counter to our hypothesis, these results suggest skeletal muscle proteolysis is not increased following 7 d of HS and call into question the presumed dogma that elevated skeletal muscle proteolysis, per se, drives increased AA mobilization.
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Affiliation(s)
- M Roths
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - M A Abeyta
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - B Wilson
- Department of Kinesiology and Applied Physiology, University of Delaware, Newark, DE 19716
| | - T E Rudolph
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - M B Hudson
- Department of Kinesiology and Applied Physiology, University of Delaware, Newark, DE 19716
| | - R P Rhoads
- School of Animal Sciences, Virginia Tech, Blacksburg, VA 24061
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - J T Selsby
- Department of Animal Science, Iowa State University, Ames, IA 50011.
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20
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Aditya S, Bahutala MB, Hibatullah DN, Pourazad P, Wahyono T, Qumar M, Penagos-Tabares F, Wulansari N. Evaluation of milk yield and composition, feed intake, chewing activities, and clinical variables in dairy cows under hot-humid climate of tropical zone. J Therm Biol 2023; 114:103608. [PMID: 37329840 DOI: 10.1016/j.jtherbio.2023.103608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/19/2023]
Abstract
Dairy cows increase heat loads when the temperature-humidity index (THI) value is elevated in the ambient environments. This condition often occurs in the tropical areas due to a higher THI rate throughout seasons. The major objective of the study was to investigate the different responses in milk yield and composition, chewing activities, and health parameters in dairy cows under the dry and wet seasons of tropical climate zone in Indonesia. Twenty mid-lactating Indonesian Holstein-Friesian cows (139.3 ± 24.63 DIM; 10 primiparous and 10 multiparous; 441 ± 21.5 kg BW) were randomly subjected to 2 groups, dairy cows under dry (n = 10) and wet season (n = 10). Both groups received the same diets throughout the experiment. To determine the heat stress condition, the THI values were recorded daily. Overall, a higher number of THI was more pronounced in wet season. A lower dry matter intake (DMI) and milk yield were observed in wet season group. A tendency towards higher milk protein contents was found in dairy cows under dry season compared to cows under wet season. The other milk compositions such as fat, lactose, and SNF remained unchanged in both dry and wet season groups. The comparison between both groups at several time points of eating and ruminating time revealed significantly higher in cows under dry season. Overall, a higher chewing per bolus was observed in cows under dry season than their counterparts. Furthermore, a tendential greater extent rectal temperature pointed in the wet season group compared to the dry season group relatively. Data suggest that a stronger heat stress condition in wet season was more pronounced compared to dry season, with adversely affecting stronger declined DMI, milk yield, and chewing activities of dairy cows.
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Affiliation(s)
- Siska Aditya
- The National Agency for Research and Innovation of The Republic of Indonesia, B.J. Habibie Building, M.H. Thamrin Street No. 8, Jakarta, 10340, Indonesia; Faculty of Veterinary Medicine, Universitas Brawijaya, Puncak Dieng Eksklusif, Kalisongo, Dau, Malang, East Java, 6514, Indonesia.
| | - Mohammad Bahutala Bahutala
- Faculty of Veterinary Medicine, Universitas Brawijaya, Puncak Dieng Eksklusif, Kalisongo, Dau, Malang, East Java, 6514, Indonesia
| | - Dhimas Naufal Hibatullah
- Faculty of Veterinary Medicine, Universitas Brawijaya, Puncak Dieng Eksklusif, Kalisongo, Dau, Malang, East Java, 6514, Indonesia
| | - Poulad Pourazad
- Delacon Biotechnik GmbH, Langwiesen 24, 4209, Engerwitzdorf, Austria
| | - Teguh Wahyono
- The National Agency for Research and Innovation of The Republic of Indonesia, B.J. Habibie Building, M.H. Thamrin Street No. 8, Jakarta, 10340, Indonesia
| | - Muhammad Qumar
- Department of Animal Nutrition, Faculty of Animal Production & Technology, Cholistan University of Veterinary and Animal Sciences, Bahawalpur, 63100, Pakistan
| | - Felipe Penagos-Tabares
- Unit of Nutritional Physiology, Institute of Physiology, Pathophysiology and Biophysics, Department of Biomedical Sciences, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210, Vienna, Austria; Christian-Doppler-Laboratory for Innovative Gut Health Concepts in Livestock (CDL-LiveGUT), Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Veterinaerplatz 1, Vienna, 1210, Austria; FFoQSI GmbH - Austrian Competence Centre for Feed and Food Quality, Safety and Innovation, Technopark 1C, 3430, Tulln, Austria
| | - Nawang Wulansari
- The Animal Teaching Hospital, Universitas Brawijaya, Puncak Dieng Eksklusif, Kalisongo, Dau, Malang, East Java, 6514, Indonesia
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21
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Wo Y, Ma F, Shan Q, Gao D, Jin Y, Sun P. Plasma metabolic profiling reveals that chromium yeast alleviates the negative effects of heat stress in mid-lactation dairy cows. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2023; 13:401-410. [PMID: 37214216 PMCID: PMC10196334 DOI: 10.1016/j.aninu.2023.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 01/17/2023] [Accepted: 01/17/2023] [Indexed: 05/24/2023]
Abstract
Chromium yeast (CY) supplementation has the potential to alleviate the negative effects of heat stress in dairy cows, but the mechanism remains elusive. We aimed to identify the metabolic mechanisms whereby CY supplementation alleviates the negative effects of heat stress in mid-lactation dairy cows. Twelve Holstein dairy cows with similar milk yield (24.6 ± 1.5 kg/d), parity (2 or 3) and days in milk (125 ± 8 d) were fed the same basal diet containing 0.09 mg of Cr/kg DM. They were allocated randomly to 2 groups: a control group (CON, without CY supplementation) and a CY group (CY, administered 0.36 mg Cr/kg DM). The experiment was performed over 8 weeks during a hot summer, in which the mean temperature-humidity index was 79.0 ± 3.13 (>72), indicating that the dairy cows were exposed to heat stress. Chromium yeast supplementation reduced rectal temperature (P = 0.032), and increased the lactation performance by increasing the yield of milk (+2.6 kg/d), protein, lactose and total solid, and protein and lactose percentages in the milk of the heat-stressed dairy cows (P < 0.05). Supplementation with CY increased the serum glucose and thyroxine concentrations, but reduced the urea nitrogen, insulin, and triiodothyronine concentrations on d 56 (P < 0.05). Furthermore, plasma metabolomic analysis was performed using liquid chromatography tandem-mass spectrometry, which identified 385 metabolites in the two groups. Subsequently, 16 significantly different metabolites in the plasma, were significantly higher in the CY group (variable importance for the projection >1.0, P < 0.05), and found to be involved in 6 Kyoto Encyclopedia of Genes and Genomes pathways, including those involved in nicotinate and nicotinamide metabolism. Specifically, plasma concentration of nicotinamide was higher after CY supplementation, which might also contribute to the reduction of rectal temperature, the regulation of glucose homeostasis, and an improvement in the lactation performance of heat-stressed dairy cows. In conclusion, CY supplementation reduces rectal temperature, influences metabolism by reducing serum insulin concentration and increasing serum glucose and plasma nicotinamide concentrations, and finally increases lactation performance of heat-stressed dairy cows.
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Rodriguez-Venegas R, Meza-Herrera CA, Robles-Trillo PA, Angel-Garcia O, Legarreta-Gonzalez MA, Sánchez-Vocanegra HF, Rodriguez-Martinez R. Effect of THI on Milk Production, Percentage of Milking Cows, and Time Lying in Holstein Cows in Northern-Arid Mexico. Animals (Basel) 2023; 13:ani13101715. [PMID: 37238143 DOI: 10.3390/ani13101715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 05/03/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
The possible effect of heat stress (HS), measured with the temperature-humidity index (THI) across seasons of the year (SY) upon milk production (MP), feed-to-milk efficiency (FME), and cow comfort (CC) was assessed in Holstein-Friesian cows in northern-arid Mexico. Data from 2467 cows (2146 milking and 321 dry) were recorded across SY [spring (SP), summer (SM), autumn (AT), and winter (WN)] between 2016 and 2019 in an intensive dairy farm located in the Comarca Lagunera (25° NL) with large fluctuations regarding ambient temperature and solar radiation. The THI was stratified into four classes: non-HS, <68; light HS, 68-71; moderate HS, 72-76; and intense HS, ≥77. The considered response variables were Milk production: both on a farm basis (totMP) and on a cow basis (cowMP); Nutritional efficiency: dry matter intake (DMI, kg); Feed conversion efficiency (FCE, kg) and energy-corrected milk (ECM, kg); Percentage of milking cows: (MC%); and Cow comfort: lying time (LT, h). Analyses of variance for unbalanced data were performed through "R". Both totMP and cowMP differed (p < 0.05) as HS increased; the largest values (i.e., 77,886 L and 35.9 L) occurred at lower THIs (i.e., <68 and 68-71) while the milk production fell (i.e., 66,584 L and 31.7 L) with the highest THIs (i.e., ≥77). Not only feed-to-milk efficiency (i.e., DMI, FCE, and ECM) but also the MC% exhibited a similar trend; a visible drop (p < 0.05) occurred from a THI of 68-71 onwards. Furthermore, the LT declined as the THI augmented, from 10.6 h at <68 to 8.5 h at ≥77. Moreover, differences (p < 0.05) also arose across seasons; TotMP, cowMP, DMI, FCE, and ECM revealed their largest (p < 0.05) values in WN and SP, halfway ones in AT, with the lowermost figures in SM. In the same way, cow comfort differed (p < 0.05) among seasons, with diverse lying times (h); WT, 10.5; AT, 10.20; SP, 9.3 h; and 8.8 in SM. Finally, the potential economic burden that HS caused at the producer (USD 233.2 million) and industry-market levels (USD 311.1 M), as well as its impact upon nutrient and alimentary security at the society level (i.e., 311 M milk liters and 195,415.82 Gcal), were also quantified.
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Affiliation(s)
- Rafael Rodriguez-Venegas
- Programa de Doctorado en Ciencias Agropecuarias Unidad Laguna, Universidad Autónoma Agraria Antonio Narro, Torreón 27054, Coahuila, Mexico
| | - Cesar Alberto Meza-Herrera
- Unidad Regional Universitaria de Zonas Áridas, Universidad Autónoma Chapingo, Bermejillo 35230, Durango, Mexico
| | - Pedro Antonio Robles-Trillo
- Unidad Laguna, Departamento de Producción Animal, Universidad Autónoma Agraria Antonio Narro, Torreón 27054, Coahuila, Mexico
| | - Oscar Angel-Garcia
- Unidad Laguna, Departamento de Ciencias Médico Veterinarias, Universidad Autónoma Agraria Antonio Narro, Torreón 27054, Coahuila, Mexico
| | | | | | - Rafael Rodriguez-Martinez
- Unidad Laguna, Departamento de Ciencias Médico Veterinarias, Universidad Autónoma Agraria Antonio Narro, Torreón 27054, Coahuila, Mexico
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23
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Meneses JAM, de Sá OAAL, Ramirez-Zamudio GD, Nascimento KB, Gionbelli TRS, Luz MH, Ladeira MM, Casagrande DR, Gionbelli MP. Heat stress promotes adaptive physiological responses and alters mrna expression of ruminal epithelium markers in Bos taurus indicus cattle fed low- or high-energy diets. J Therm Biol 2023; 114:103562. [PMID: 37344024 DOI: 10.1016/j.jtherbio.2023.103562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 03/28/2023] [Accepted: 04/04/2023] [Indexed: 06/23/2023]
Abstract
This research aimed to evaluate the impact of temperature and energy status on the thermal indices, physiological parameters, and ruminal papilla mRNA expression levels of Zebu beef heifers (Bos taurus indicus). In this trial, we used six ruminal-cannulated Nellore females. The experimental design was a 6 × 6 Latin square, with six treatments and six periods. The research used a 2 × 2 + 2 factorial scheme. The arrangement comprised: two thermal conditions [thermoneutrality (TN; 21.6 °C) or heat stress (HS, 34 °C)]; two dietary energy levels (low or high-energy); and two additional treatments, with heifers exposed to the TN, but pair-fed with females exposed to HS (PFTN). For our purposes, body temperature, heart and respiratory rates were measured and the relative mRNA expression was quantified using the PCR-RT technique. Compared to TN or PFTN, the HS increased the body temperature measurements in the morning and evening (p ≤ 0.04). Heart rate was 22% greater for heifers under HS than for TN (p < 0.01) and 13% higher for those under HS than PFTN (p = 0.03) in the morning. Respiratory rates increased with HS exposure compared to TN or PFTN (p < 0.01). Heifers submitted to HS and fed low-energy diets had and tended to have lower caspase 3 (CASP3, p <i=></i> 0.001) and sodium-glucose cotransporter type 1 (SGLT1; p = 0.17) mRNA expressions, respectively. Heat-stressed heifers fed low-energy diets also increased the putative anion transporter (PAT1; p ≤ 0.01) mRNA expressions by 60%. Heifers under HS-fed high-energy diets had greater kallikrein-related peptidase (KLK) 9 expressions (p = 0.02), while KLK10 (p = 0.11) tended to be up-regulated in heifers in TN-fed a low-energy diets. In conclusion, heat stress down-regulated the mRNA expression of rumen markers related to short-chain fatty acids transport and pH modulation.
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Affiliation(s)
- Javier A M Meneses
- Department of Animal Science, Universidade Federal de Lavras, Lavras, MG, 37200-900, Brazil; Department of Medicine Veterinary and Animal Science, Universidad de Ciencias Aplicadas y Ambientales (UDCA), Cartagena, Bolivar, 130001, Colombia.
| | - Olavo A A L de Sá
- Department of Animal Science, Universidade Federal de Lavras, Lavras, MG, 37200-900, Brazil; De Heus industry, Rio Claro, SP, 13505-600, Brazil.
| | | | - Karolina B Nascimento
- Department of Animal Science, Universidade Federal de Lavras, Lavras, MG, 37200-900, Brazil.
| | - Tathyane R S Gionbelli
- Department of Animal Science, Universidade Federal de Lavras, Lavras, MG, 37200-900, Brazil.
| | - Matheus H Luz
- Department of Animal Science, Universidade Federal de Lavras, Lavras, MG, 37200-900, Brazil.
| | - Márcio M Ladeira
- Department of Animal Science, Universidade Federal de Lavras, Lavras, MG, 37200-900, Brazil.
| | - Daniel R Casagrande
- Department of Animal Science, Universidade Federal de Lavras, Lavras, MG, 37200-900, Brazil.
| | - Mateus P Gionbelli
- Department of Animal Science, Universidade Federal de Lavras, Lavras, MG, 37200-900, Brazil.
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24
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Lee D, Yoo D, Kim H, Seo J. Negative association between high temperature-humidity index and milk performance and quality in Korean dairy system: big data analysis. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2023; 65:588-595. [PMID: 37332291 PMCID: PMC10271930 DOI: 10.5187/jast.2022.e119] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/05/2022] [Accepted: 12/12/2022] [Indexed: 08/13/2023]
Abstract
The aim of this study was to investigate the effects of heat stress on milk traits in South Korea using comprehensive data (dairy production and climate). The dataset for this study comprised 1,498,232 test-day records for milk yield, fat- and protein-corrected milk, fat yield, protein yield, milk urea nitrogen (MUN), and somatic cell score (SCS) from 215,276 Holstein cows (primiparous: n = 122,087; multiparous: n = 93,189) in 2,419 South Korean dairy herds. Data were collected from July 2017 to April 2020 through the Dairy Cattle Improvement Program, and merged with meteorological data from 600 automatic weather stations through the Korea Meteorological Administration. The segmented regression model was used to estimate the effects of the temperature-humidity index (THI) on milk traits and elucidate the break point (BP) of the THI. To acquire the least-squares mean of milk traits, the generalized linear model was applied using fixed effects (region, calving year, calving month, parity, days in milk, and THI). For all parameters, the BP of THI was observed; in particular, milk production parameters dramatically decreased after a specific BP of THI (p < 0.05). In contrast, MUN and SCS drastically increased when THI exceeded BP in all cows (p < 0.05) and primiparous cows (p < 0.05), respectively. Dairy cows in South Korea exhibited negative effects on milk traits (decrease in milk performance, increase in MUN, and SCS) when the THI exceeded 70; therefore, detailed feeding management is required to prevent heat stress in dairy cows.
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Affiliation(s)
- Dongseok Lee
- Department of Animal Science, Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Korea
| | - Daekyum Yoo
- Department of Animal Science, Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Korea
| | - Hyeran Kim
- Animal Nutrition and Physiology Team, National Institute of Animal Science, RDA, Wanju 55365, Korea
| | - Jakyeom Seo
- Department of Animal Science, Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Korea
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25
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Zacometti C, Tata A, Massaro A, Riuzzi G, Bragolusi M, Cozzi G, Piro R, Khazzar S, Gerardi G, Gottardo F, Segato S. Seasonal Variation in Raw Milk VOC Profile within Intensive Feeding Systems. Foods 2023; 12:foods12091871. [PMID: 37174409 PMCID: PMC10178752 DOI: 10.3390/foods12091871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
The study aimed to assess the seasonal variation in raw milk volatile organic compounds (VOCs) from three indoor feeding systems based on maize silage (n = 31), silages/hay (n = 19) or hay (n = 16). After headspace solid-phase microextraction (HS-SPME), VOC profiles were determined by gas chromatography (GC). Chemical and VOC (log10 transformations of the peak areas) data were submitted to a two-way ANOVA to assess the feeding system (FS) and season (S) effects; an interactive principal component analysis (iPCA) was also performed. The interaction FS × S was never significant. The FS showed the highest (p < 0.05) protein and casein content for hay-milk samples, while it did not affect any VOCs. Winter milk had higher (p < 0.05) proportions of protein, casein, fat and some carboxylic acids, while summer milk was higher (p < 0.05) in urea and 2-pentanol and methyl aldehydes. The iPCA confirmed a seasonal spatial separation. Carboxylic acids might generate from incomplete esterification in the mammary gland and/or milk lipolytic activity, while aldehydes seemed to be correlated with endogenous lipid or amino acid oxidation and/or feed transfer. The outcomes suggested that VOCs could be an operative support to trace raw milk for further mild processing.
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Affiliation(s)
- Carmela Zacometti
- Experimental Chemistry Laboratory, Istituto Zooprofilattico Sperimentale delle Venezie, 36100 Vicenza, Italy
| | - Alessandra Tata
- Experimental Chemistry Laboratory, Istituto Zooprofilattico Sperimentale delle Venezie, 36100 Vicenza, Italy
| | - Andrea Massaro
- Experimental Chemistry Laboratory, Istituto Zooprofilattico Sperimentale delle Venezie, 36100 Vicenza, Italy
| | - Giorgia Riuzzi
- Department of Animal Medicine, Production and Health, University of Padova, 35020 Legnaro, Italy
| | - Marco Bragolusi
- Experimental Chemistry Laboratory, Istituto Zooprofilattico Sperimentale delle Venezie, 36100 Vicenza, Italy
| | - Giulio Cozzi
- Department of Animal Medicine, Production and Health, University of Padova, 35020 Legnaro, Italy
| | - Roberto Piro
- Experimental Chemistry Laboratory, Istituto Zooprofilattico Sperimentale delle Venezie, 36100 Vicenza, Italy
| | - Sara Khazzar
- Department of Animal Medicine, Production and Health, University of Padova, 35020 Legnaro, Italy
| | - Gabriele Gerardi
- Department of Animal Medicine, Production and Health, University of Padova, 35020 Legnaro, Italy
| | - Flaviana Gottardo
- Department of Animal Medicine, Production and Health, University of Padova, 35020 Legnaro, Italy
| | - Severino Segato
- Department of Animal Medicine, Production and Health, University of Padova, 35020 Legnaro, Italy
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Vélez-Terranova M, Campos Gaona R, Salamanca-Carreño A, Velasco Daza RA, Arenas Rodríguez BA, Chaparro Ortegón JS. Environmental Factors That Affect the Sanitary and Nutritional Variability of Raw Milk in Dual Purpose Livestock Systems of Colombian Orinoquia. Animals (Basel) 2023; 13:ani13081385. [PMID: 37106948 PMCID: PMC10134967 DOI: 10.3390/ani13081385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/07/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
Milk is the natural food with the highest biological quality for the human population and its production can be affected by several sanitary factors and management conditions. With the objective of identifying influence factors on milk compositional and sanitary quality in a region with wide productive potential in the Colombian Orinoquia, an experiment was carried out in two contrasting climatic seasons. For the milk compositional analysis, samples of daily production from 30 dual-purpose systems were analyzed. Similarly, the udder sanitary status of 300 cows was studied using the California Mastitis Test (CMT). Data analysis included mixed models, Pearson correlations, frequency tables, and the Kruskal-Wallis test. The results showed that the total daily milk production of the farm and the season influenced the milk compositional quality. The farms with milk productions lower than 100 kg/day presented the highest levels of protein, lactose, solid non-fat (SNF), and density, while in the rainy season, the milk quality was higher compared to the dry season. The CMT test indicated that only 7.6% of the evaluated mammary quarters presented two or more degrees of positivity. There is an opportunity to improve the milk compositional quality by improving the nutritional offer for animals during the year. The low CMT positivity indicates that, in the calf-at-foot milking system, the presence of subclinical mastitis is not a determining variable in milk production.
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Affiliation(s)
| | - Rómulo Campos Gaona
- Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia, Palmira 763531, Colombia
| | - Arcesio Salamanca-Carreño
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Cooperativa de Colombia, Villavicencio 500001, Colombia
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Méndez MN, Grille L, Mendina GR, Robinson PH, Adrien MDL, Meikle A, Chilibroste P. Performance of Autumn and Spring Calving Holstein Dairy Cows with Different Levels of Environmental Exposure and Feeding Strategies. Animals (Basel) 2023; 13:ani13071211. [PMID: 37048470 PMCID: PMC10093065 DOI: 10.3390/ani13071211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/16/2023] [Accepted: 03/24/2023] [Indexed: 04/03/2023] Open
Abstract
Environmental exposure during confinement and feeding strategy affects cow behavior, nutrient utilization, and performance. Milk production and composition, body condition score, non-esterified fatty acids, and beta-hydroxybutyrate were determined during a full lactation in cows submitted to (a) grazing + partial confinement in outdoor soil-bedded pens with shade structures (OD-GRZ); (b) grazing + partial confinement in a compost-bedded pack barn with cooling capacity (CB-GRZ); or (c) total confinement (same facilities as CB-GRZ) and fed TMR ad libitum (CB-TMR). Autumn (ACS) and spring (SCS) calving season cows were used for each treatment, except for CB-TMR (only SCS). In ACS, treatments did not differ in any variable, possibly due to mild weather. In SCS, milk production was higher in CB-TMR than CB-GRZ, which in turn produced more milk than OD-GRZ. Differences coincided with heat waves and/or heavy rains (similar grazing conditions and mixed ration DM intake). Milk fat, protein and lactose yield, protein content, and BCS were higher in CB-TMR, without differences between CB-GRZ and OD-GRZ. Cows in OD-GRZ had impaired energy metabolism. Under moderately unfavorable environmental conditions (ACS), when well-managed, OD-GRZ systems could equate to the productive response of CB-GRZ. However, in worse climatic conditions (SCS), performance could be compromised, especially when compared to TMR systems.
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Morgado JN, Lamonaca E, Santeramo FG, Caroprese M, Albenzio M, Ciliberti MG. Effects of management strategies on animal welfare and productivity under heat stress: A synthesis. Front Vet Sci 2023; 10:1145610. [PMID: 37008346 PMCID: PMC10050400 DOI: 10.3389/fvets.2023.1145610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 02/27/2023] [Indexed: 03/17/2023] Open
Abstract
Climate change includes different dramatic events, and among them, heat stress exposition is the strongest phenomenon affecting the livestock sector. The effects of heat stress events on animal welfare are complex and the economic impacts for the livestock sector are relevant. Management measures may contribute to improve the resilience to heat stress, but the extent to which they impact on livestock performances and management strategies depend on the magnitude of the stress conditions. Through a pioneering synthesis of existing knowledge from experiments conducted in controlled conditions, we show that management strategies, both adaptation and mitigation measures, halved the negative impacts on the ruminants' performances and welfare induced by heat stress, but the efficacy is low in extreme conditions, which in turn are more and more frequent. These novel findings emphasize the need to deepen research on more effective adaptation and mitigation measures.
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Affiliation(s)
- Joana Nazaré Morgado
- Nutrition Laboratory, Environmental Health Institute, Faculty of Medicine of the University of Lisbon (FMUL), Lisboa, Portugal
- Lisbon School of Economics and Management (ISEG), University of Lisbon, Lisboa, Portugal
| | - Emilia Lamonaca
- Department of Agriculture, Food, Natural Resources, and Engineering (DAFNE), University of Foggia, Foggia, Italy
| | - Fabio Gaetano Santeramo
- Department of Agriculture, Food, Natural Resources, and Engineering (DAFNE), University of Foggia, Foggia, Italy
| | - Mariangela Caroprese
- Department of Agriculture, Food, Natural Resources, and Engineering (DAFNE), University of Foggia, Foggia, Italy
| | - Marzia Albenzio
- Department of Agriculture, Food, Natural Resources, and Engineering (DAFNE), University of Foggia, Foggia, Italy
| | - Maria Giovanna Ciliberti
- Department of Agriculture, Food, Natural Resources, and Engineering (DAFNE), University of Foggia, Foggia, Italy
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Bezdíček J, Nesvadbová A, Stádník L, Louda F. Influence of Heat Stress on Milk Production in Fraternal Twins. ACTA UNIVERSITATIS AGRICULTURAE ET SILVICULTURAE MENDELIANAE BRUNENSIS 2023. [DOI: 10.11118/actaun.2022.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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Ponnampalam EN, Kiani A, Santhiravel S, Holman BWB, Lauridsen C, Dunshea FR. The Importance of Dietary Antioxidants on Oxidative Stress, Meat and Milk Production, and Their Preservative Aspects in Farm Animals: Antioxidant Action, Animal Health, and Product Quality-Invited Review. Animals (Basel) 2022; 12:ani12233279. [PMID: 36496798 PMCID: PMC9738477 DOI: 10.3390/ani12233279] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/18/2022] [Accepted: 11/19/2022] [Indexed: 11/27/2022] Open
Abstract
The biological effects of oxidative stress and associated free radicals on farm animal performance, productivity, and product quality may be managed via dietary interventions-specifically, the provision of feeds, supplements, and forages rich in antioxidants. To optimize this approach, it is important first to understand the development of free radicals and their contributions to oxidative stress in tissue systems of farm animals or the human body. The interactions between prooxidants and antioxidants will impact redox homeostasis and, therefore, the well-being of farm animals. The impact of free radical formation on the oxidation of lipids, proteins, DNA, and biologically important macromolecules will likewise impact animal performance, meat and milk quality, nutritional value, and longevity. Dietary antioxidants, endogenous antioxidants, and metal-binding proteins contribute to the 'antioxidant defenses' that control free radical formation within the biological systems. Different bioactive compounds of varying antioxidant potential and bio-accessibility may be sourced from tailored feeding systems. Informed and successful provision of dietary antioxidants can help alleviate oxidative stress. However, knowledge pertaining to farm animals, their unique biological systems, and the applications of novel feeds, specialized forages, bioactive compounds, etc., must be established. This review summarized current research to direct future studies towards more effective controls for free radical formation/oxidative stress in farm animals so that productivity and quality of meat and milk can be optimized.
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Affiliation(s)
- Eric N. Ponnampalam
- Animal Production Sciences, Agriculture Victoria Research, Department of Jobs, Precincts and Regions, Bundoora, VIC 3083, Australia
- Correspondence:
| | - Ali Kiani
- Department of Animal Sciences, Faculty of Agriculture and Natural Resources, Lorestan University, Khorramabad P.O. Box 465, Iran
| | - Sarusha Santhiravel
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada
| | - Benjamin W. B. Holman
- Wagga Wagga Agricultural Institute, NSW Department of Primary Industries, Wagga Wagga, NSW 2650, Australia
| | - Charlotte Lauridsen
- Department of Animal and Veterinary Sciences, Aarhus University, P.O. Box 50, DK-8830 Tjele, Denmark
| | - Frank R. Dunshea
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010, Australia
- The Faculty of Biological Sciences, The University of Leeds, Leeds LS2 9JT, UK
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31
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Kamali Y, Jo YH, Kim WS, Nejad JG, Lee JS, Lee HG. Dietary supplementation with L-glutamine enhances immunity and reduces heat stress in Hanwoo steers under heat stress conditions. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2022; 64:1046-1062. [PMID: 36811992 PMCID: PMC9890327 DOI: 10.5187/jast.2022.e80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/18/2022] [Accepted: 09/28/2022] [Indexed: 12/14/2022]
Abstract
This study investigated the effects of L-glutamine (Gln) supplementation on growth performance, physiological traits, heat shock proteins (HSPs), and gene expression related to muscle and adipose tissue development in Hanwoo steers under heat stress (HS) conditions. Eight Hanwoo steers (initial body weight [BW] 570.7 ± 43.6 kg, months of age 22.3 ± 0.88) were randomly separated into two groups, control and treatment, and supplied with the concentration (1.5% of BW kg/day/head) and rice straw (1.5 kg/day/head). The treatment group were fed the Gln supplementation (0.5% of concentration, as-fed basis) once a day at 08:00 h. Blood samples for the assessment of haematological and biochemical parameters and the separation of peripheral blood mononuclear cells (PBMCs) were collected four times, at 0, 3, 6, and 10 weeks of the experiment. Feed intake was measured daily. BW to analyze growth performance and hair follicle collection to analyze the expression of HSPs were executed four times at 0, 3, 6, and 10 weeks. To analyze gene expression, longissimus dorsi muscle samples were collected by biopsy at the end of the study. As a result, growing performance, including final BW, average daily gain, and gain-to-feed ratio, were not different between the two groups. Leukocytes including lymphocytes and granulocytes, tended to increase in the Gln supplementation group (p = 0.058). There were also no differences in biochemical parameters shown between the two groups, except total protein and albumin, both of which were lower in the Gln supplementation group (p < 0.05). Gene expressions related to muscle and adipose tissue development were not different between the two groups. As temperature-humidity index (THI) increased, HSP70 and HSP90 expression in the hair follicle showed a high correlation. HSP90 in the hair follicle was decreased in the treatment group compared with the control group at 10 weeks (p < 0.05). Collectively, dietary Gln supplementation (0.5% of concentration, as-fed basis) may not be influential enough to affect growth performance and gene expression related to muscle and adipose tissue development in steers. However, Gln supplementation increased the number of immune cells and decreased HSP90 in the hair follicle implying HS reduction in the corresponding group.
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Affiliation(s)
- Yves Kamali
- Department of Animal Science and
Technology, Sanghuh College of Life Sciences, Konkuk
University, Seoul 05029, Korea
| | - Yong Ho Jo
- Department of Animal Science and
Technology, Sanghuh College of Life Sciences, Konkuk
University, Seoul 05029, Korea
| | - Won-Seob Kim
- Department of Animal Science, Michigan
State University, East Lansing, MI 48824, USA
| | - Jalil Ghassemi Nejad
- Department of Animal Science and
Technology, Sanghuh College of Life Sciences, Konkuk
University, Seoul 05029, Korea
| | - Jae-Sung Lee
- Department of Animal Science and
Technology, Sanghuh College of Life Sciences, Konkuk
University, Seoul 05029, Korea
| | - Hong-Gu Lee
- Department of Animal Science and
Technology, Sanghuh College of Life Sciences, Konkuk
University, Seoul 05029, Korea,Corresponding author Hong Gu Lee,
Department of Animal Science and Technology, Sanghuh College of Life Sciences,
Konkuk University, Seoul 05029, Korea. Tel: +82-2-450-0523 E-mail:
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Wijffels G, Sullivan ML, Stockwell S, Briscoe S, Li Y, McCulloch R, Olm J, Cawdell-Smith J, Gaughan JB. Comparing the responses of grain fed feedlot cattle under moderate heat load and during subsequent recovery with those of feed restricted thermoneutral counterparts: plasma biochemistry. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2022; 66:2205-2221. [PMID: 35963925 DOI: 10.1007/s00484-022-02349-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/28/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Responses to heat stress in ruminants reflect the integration of local climatic conditions, environment/production system and the animal's homeostatic and homeorhetic capacities. Thus, the goal of ameliorating heat stress requires experimental settings that, within limits, closely resemble the target production system and cohort. We investigated the blood biochemical changes of two sequential cohorts of twelve 518 ± 23 kg grain fed Black Angus steers. Each cohort consisted of two treatments of 6 head/group: a thermally challenged (TC) treatment and a feed restricted thermoneutral (FRTN) treatment. Both groups were housed in climate controlled rooms for 19 days, with the TC group experiencing three distinct periods: PreChallenge, Challenge and Recovery. PreChallenge and Recovery delivered thermoneutral conditions, while Challenge consisted of 7 days of moderate diurnal heat load. The FRTN group was maintained in thermoneutral conditions at all times. Both groups were then relocated to outdoor pens for a further 40 days to detect any enduring change to metabolism as a consequence of the treatments. We compared blood biochemical responses of the treatments and inferred likely metabolic changes. Relative to the FRTN group, the TC animals experienced limited supply of triglycerides, cholesterol and glutamine during moderate heat load, suggesting constraints to energy metabolism. Lower blood urea during Recovery and in outdoor pens implied a requirement to capture N rather than allow its excretion. Altered liver enzyme profiles indicated a higher level of hepatic stress in the TC group. By the completion of feedlot finishing, the groups were not separable on most measures.
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Affiliation(s)
- Gene Wijffels
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia.
| | - M L Sullivan
- School of Agriculture and Food, The University of Queensland, Gatton, Qld, 4343, Australia
| | - S Stockwell
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - S Briscoe
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - Y Li
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - R McCulloch
- CSIRO Agriculture and Food, Queensland Bioscience Precinct, St Lucia, Qld, 4067, Australia
| | - J Olm
- School of Veterinary Science, The University of Queensland, Gatton, Qld, 4343, Australia
| | - J Cawdell-Smith
- School of Agriculture and Food, The University of Queensland, Gatton, Qld, 4343, Australia
| | - J B Gaughan
- School of Agriculture and Food, The University of Queensland, Gatton, Qld, 4343, Australia
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Neculai-Valeanu AS, Ariton AM. Udder Health Monitoring for Prevention of Bovine Mastitis and Improvement of Milk Quality. Bioengineering (Basel) 2022; 9:608. [PMID: 36354519 PMCID: PMC9687184 DOI: 10.3390/bioengineering9110608] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 08/05/2023] Open
Abstract
To maximize milk production, efficiency, and profits, modern dairy cows are genetically selected and bred to produce more and more milk and are fed copious quantities of high-energy feed to support ever-increasing milk volumes. As demands for increased milk yield and milking efficiency continue to rise to provide for the growing world population, more significant stress is placed on the dairy cow's productive capacity. In this climate, which is becoming increasingly hotter, millions of people depend on the capacity of cattle to respond to new environments and to cope with temperature shocks as well as additional stress factors such as solar radiation, animal crowding, insect pests, and poor ventilation, which are often associated with an increased risk of mastitis, resulting in lower milk quality and reduced production. This article reviews the impact of heat stress on milk production and quality and emphasizes the importance of udder health monitoring, with a focus on the use of emergent methods for monitoring udder health, such as infrared thermography, biosensors, and lab-on-chip devices, which may promote animal health and welfare, as well as the quality and safety of dairy products, without hindering the technological flow, while providing significant benefits to farmers, manufacturers, and consumers.
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Effects of Heat Stress in Dairy Cows Offered Diets Containing Either Wheat or Corn Grain during Late Lactation. Animals (Basel) 2022; 12:ani12162031. [PMID: 36009623 PMCID: PMC9404427 DOI: 10.3390/ani12162031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/04/2022] [Accepted: 08/09/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary A common nutritional strategy to reduce heat stress on dairy cows is to provide a more slowly degradable starch source that reduces the amount of heat generated during digestion. The aim of this experiment was to investigate the responses of late lactation dairy cows to cereal grain-based diets in a short-term heat challenge. Cows were offered a diet of alfalfa hay supplemented with either wheat grain (fast rumen degradable) or corn grain (slow rumen degradable). Individual cow measurements of feed intake, milk yield and composition, respiration rate, and body temperature were taken daily before, during and after a 4-day heat challenge, during which the cows were in individual controlled-climate chambers and exposed to air temperature up to 33 °C with 50% relative humidity. While exposed to the heat challenge during late lactation, cows that were offered corn grain had greater feed intake and tended to produce more energy-corrected milk but had lower respiration rates and similar body temperature to the cows offered wheat grain. The economic impact of feeding corn in place of wheat grain needs to be assessed before any comparative value of feeding corn grain or wheat grain can be determined. Abstract Cereal grains that differ in the rate and extent of ruminal fermentation differ in heat increment and may be used to improve thermoregulation during heat stress. This experiment investigated the responses of dairy cows in late lactation to a heat challenge when offered wheat-grain or corn-grain. Eighteen lactating cows, 220 ± 94 (mean ± standard deviation) days in milk, 3.7 ± 0.17 years of age and 558 ± 37 kg bodyweight, were allocated treatments containing 6 kg dry matter (DM)/day of wheat grain or 6 kg DM/day corn grain (9 per treatment) plus 14 kg DM/day of alfalfa hay. Measurements were made during a 7-day pre-challenge period at ambient conditions in individual stalls, during a 4-day heat challenge (temperature humidity index of 74 to 84) in individual controlled-climate chambers, then during a 7-day recovery period at ambient conditions in individual stalls. During the heat challenge, cows offered corn had lower respiration rates (p = 0.017) and greater feed intake (p = 0.021) but energy-corrected milk (p = 0.097) was not different to that of cows offered wheat. Feeding corn grain to dairy cows during a heat challenge reduced some of the negative impacts of heat stress, enabling the cows to consume more forage compared with supplementing with wheat grain.
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Fontoura ABP, Javaid A, Sáinz de la Maza-Escolà V, Salandy NS, Fubini SL, Grilli E, McFadden JW. Heat stress develops with increased total-tract gut permeability, and dietary organic acid and pure botanical supplementation partly restores lactation performance in Holstein dairy cows. J Dairy Sci 2022; 105:7842-7860. [PMID: 35931486 DOI: 10.3168/jds.2022-21820] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 05/04/2022] [Indexed: 11/19/2022]
Abstract
To evaluate the effects of heat stress (HS) conditions and dietary organic acid and pure botanical (OA/PB) supplementation on gut permeability and milk production, we enrolled 46 multiparous Holstein cows [208 ± 4.65 dry matter intake (DMI; mean ± SD), 3.0 ± 0.42 lactation, 122 ± 4.92 d pregnant, and 39.2 ± 0.26 kg of milk yield] in a study with a completely randomized design. Cows were assigned to 1 of 4 groups: thermoneutral conditions (TN-Con, n = 12), HS conditions (HS-Con, n = 12), thermoneutral conditions pair-fed to HS-Con (TN-PF, n = 12), or HS supplemented with OA/PB [75 mg/kg of body weight (BW); 25% citric acid, 16.7% sorbic acid, 1.7% thymol, 1.0% vanillin, and 55.6% triglyceride; HS-OAPB, n = 10]. Supplements were delivered twice daily by top-dress; all cows not supplemented with OA/PB received an equivalent amount of the triglyceride used for microencapsulation of the OA/PB supplement as a top-dress. Cows were maintained in thermoneutrality [temperature-humidity index (THI) = 68] during a 7-d acclimation and covariate period. Thereafter, cows remained in thermoneutral conditions or were moved to HS conditions (THI: diurnal change 74 to 82) for 14 d. Cows were milked twice daily. Clinical assessments and BW were recorded, blood was sampled, and gastrointestinal permeability measurements were repeatedly evaluated. The mixed model included fixed effects of treatment, time, and their interaction. Rectal and skin temperatures and respiration rates were greater in HS-Con and HS-OAPB relative to TN-Con. Dry matter intake, water intake, and yields of energy-corrected milk (ECM), protein, and lactose were lower in HS-Con relative to HS-OAPB. Nitrogen efficiency was improved in HS-OAPB relative to HS-Con. Compared with TN-Con and TN-PF, milk yield and ECM were lower in HS-Con cows. Total-tract gastrointestinal permeability measured at d 3 of treatment was greater in HS-Con relative to TN-Con or TN-PF. Plasma total fatty acid concentrations were reduced, whereas insulin concentrations were increased in HS-Con relative to TN-PF. We conclude that exposure to a heat-stress environment increases total-tract gastrointestinal permeability. This study highlights important mechanisms that might account for milk production losses caused by heat stress, independent of changes in DMI. Our observations also suggest that dietary supplementation of OA/PB is a means to partly restore ECM production and improve nitrogen efficiency in dairy cattle experiencing heat stress.
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Affiliation(s)
- A B P Fontoura
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853
| | - A Javaid
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853
| | - V Sáinz de la Maza-Escolà
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853; Dipartimento di Scienze Mediche Veterinarie, Università di Bologna, Bologna 40064, Italy
| | - N S Salandy
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853; Department of Agriculture and Environmental Sciences, Tuskegee University, Tuskegee, AL 36088
| | - S L Fubini
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
| | - E Grilli
- Dipartimento di Scienze Mediche Veterinarie, Università di Bologna, Bologna 40064, Italy; Vetagro S.p.A., Reggio Emilia 42124, Italy
| | - J W McFadden
- Department of Animal Science, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853.
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Stewart J, Arneson A, Byrd M, Negron-Perez V, Newberne H, White R, El-Kadi S, Ealy A, Rhoads R, Rhoads M. Comparison of production-related responses to hyperinsulinemia and hypoglycemia induced by clamp procedures or heat stress of lactating dairy cattle. J Dairy Sci 2022; 105:8439-8453. [DOI: 10.3168/jds.2022-21922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/12/2022] [Indexed: 11/19/2022]
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Yang L, Zhang L, Zhang P, Zhou Y, Huang X, Yan Q, Tan Z, Tang S, Wan F. Alterations in nutrient digestibility and performance of heat-stressed dairy cows by dietary L-theanine supplementation. ANIMAL NUTRITION 2022; 11:350-358. [PMID: 36329682 PMCID: PMC9618971 DOI: 10.1016/j.aninu.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 07/31/2022] [Accepted: 08/03/2022] [Indexed: 11/17/2022]
Abstract
The purpose of this study was to investigate the effects of dietary L-theanine supplementation on apparent nutrient digestibility, milk yield, milk composition, and blood biochemical indices of dairy cows under heat stress. Thirty Chinese Holstein cows (19.84 ± 2.42 kg milk/d, 192.36 ± 40.77 d in milk and 2 ± 0.93 parities) were divided into 3 groups of 10 animals each. The control group was fed a basal total mixed ration (TMR) diet, while treatment 1 (LTA16) and treatment 2 (LTA32) groups were fed a basal TMR diet supplemented with L-theanine at 16 and 32 g/cow per day, respectively. The results showed that feeding the dairy cows with LTA16 treatment decreased (P < 0.05) their rectal temperature, whereas feeding with LTA32 treatment decreased (P < 0.05) their rumen fluid ammonia nitrogen content. In comparison to the control group, the supplementation of L-theanine had no significant effect (P > 0.05) on the dry matter intake, nutrient digestibility, total volatile fatty acid (TVFA) concentration and molar proportion of volatile fatty acid, milk yield, milk composition, feed efficiency and antioxidant capacity of the dairy cows. The triglyceride (TG) content of the LTA32 group was significantly greater (P = 0.014) than that of the control group. With the increase in L-theanine dosage, the serum cholesterol (CHOL) content significantly increased (P = 0.013). The serum albumin (ALB; P = 0.067), low-density lipoprotein cholesterol (LDL-C; P = 0.053), and high-density lipoprotein cholesterol (HDL-C; P = 0.067) contents showed an upward trend as L-theanine dosage increased. Ultimately, the results of this study show that supplementing dairy cow diet with L-theanine could decrease dairy cow rectal temperature, affect lipid metabolism, and potentially relieve the heat stress of dairy cows to some extent.
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Affiliation(s)
- Lingyuan Yang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Lingmei Zhang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Peihua Zhang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Yuli Zhou
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Xingguo Huang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Qiongxian Yan
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Key Laboratory of Animal Nutrition & Physiology and Metabolism, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China
| | - Zhiliang Tan
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Key Laboratory of Animal Nutrition & Physiology and Metabolism, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China
| | - Shaoxun Tang
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Key Laboratory of Animal Nutrition & Physiology and Metabolism, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China
- Corresponding authors.
| | - Fachun Wan
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
- Shandong Provincial Key Laboratory of Livestock and Poultry Disease Prevention and Breeding, Jinan, Shandong 250000, China
- Corresponding authors.
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Ghaffari MH. Developmental programming: prenatal and postnatal consequences of hyperthermia in dairy cows and calves. Domest Anim Endocrinol 2022; 80:106723. [PMID: 35339732 DOI: 10.1016/j.domaniend.2022.106723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 02/07/2022] [Accepted: 02/23/2022] [Indexed: 11/27/2022]
Abstract
With global warming, the incidence of heat stress in dairy cows is increasing in many countries. Temperatures outside the thermoneutral zone (heat stress) are one of the environmental factors with the greatest impact on milk production and reproductive performance of dairy cows. In addition to several biological mechanisms that may contribute to the effects of fetal programming, epigenetic modifications have also been investigated as possible mediators of the observed associations between maternal heat stress during late gestation and performance and health later in life. In utero programming of these offspring may coordinate changes in thermoregulation, mammary gland development, and milk production ability at different developmental stages. This review examines the effects of prenatal and postnatal hyperthermia on the developmental outcomes of dairy cows, as well as the physiological and molecular mechanisms that may be responsible for the negative phenotypic consequences of heat stress that persist throughout the neonatal and adult periods and may have multigenerational implications. The physiological and molecular mechanisms underlying the negative phenotypic consequences of heat stress are discussed. Research challenges in this area, future research recommendations, and therapeutic applications are also discussed. In summary, strategies to reduce heat stress during the dry period should consider not only the productivity of the pregnant cow but also the well-being of the newborn calf.
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Cheruiyot EK, Haile-Mariam M, Cocks BG, Pryce JE. Improving Genomic Selection for Heat Tolerance in Dairy Cattle: Current Opportunities and Future Directions. Front Genet 2022; 13:894067. [PMID: 35769985 PMCID: PMC9234448 DOI: 10.3389/fgene.2022.894067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/02/2022] [Indexed: 11/13/2022] Open
Abstract
Heat tolerance is the ability of an animal to maintain production and reproduction levels under hot and humid conditions and is now a trait of economic relevance in dairy systems worldwide because of an escalating warming climate. The Australian dairy population is one of the excellent study models for enhancing our understanding of the biology of heat tolerance because they are predominantly kept outdoors on pastures where they experience direct effects of weather elements (e.g., solar radiation). In this article, we focus on evidence from recent studies in Australia that leveraged large a dataset [∼40,000 animals with phenotypes and 15 million whole-genome sequence variants] to elucidate the genetic basis of thermal stress as a critical part of the strategy to breed cattle adapted to warmer environments. Genotype-by-environment interaction (i.e., G × E) due to temperature and humidity variation is increasing, meaning animals are becoming less adapted (i.e., more sensitive) to changing environments. There are opportunities to reverse this trend and accelerate adaptation to warming climate by 1) selecting robust or heat-resilient animals and 2) including resilience indicators in breeding goals. Candidate causal variants related to the nervous system and metabolic functions are relevant for heat tolerance and, therefore, key for improving this trait. This could include adding these variants in the custom SNP panels used for routine genomic evaluations or as the basis to design specific agonist or antagonist compounds for lowering core body temperature under heat stress conditions. Indeed, it was encouraging to see that adding prioritized functionally relevant variants into the 50k SNP panel (i.e., the industry panel used for genomic evaluation in Australia) increased the prediction accuracy of heat tolerance by up to 10% units. This gain in accuracy is critical because genetic improvement has a linear relationship with prediction accuracy. Overall, while this article used data mainly from Australia, this could benefit other countries that aim to develop breeding values for heat tolerance, considering that the warming climate is becoming a topical issue worldwide.
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Affiliation(s)
- Evans K. Cheruiyot
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, Australia
- Centre for AgriBiosciences, Agriculture Victoria Research, AgriBio, Bundoora, VIC, Australia
| | - Mekonnen Haile-Mariam
- Centre for AgriBiosciences, Agriculture Victoria Research, AgriBio, Bundoora, VIC, Australia
- *Correspondence: Mekonnen Haile-Mariam,
| | - Benjamin G. Cocks
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, Australia
- Centre for AgriBiosciences, Agriculture Victoria Research, AgriBio, Bundoora, VIC, Australia
| | - Jennie E. Pryce
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, Australia
- Centre for AgriBiosciences, Agriculture Victoria Research, AgriBio, Bundoora, VIC, Australia
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Heat Stress Induces Shifts in the Rumen Bacteria and Metabolome of Buffalo. Animals (Basel) 2022; 12:ani12101300. [PMID: 35625146 PMCID: PMC9137813 DOI: 10.3390/ani12101300] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/15/2022] [Accepted: 05/16/2022] [Indexed: 01/10/2023] Open
Abstract
Exposure to the stress (HS) negatively affects physiology, performance, reproduction and welfare of buffalo. However, the mechanisms by which HS negatively affects rumen bacteria and its associated metabolism in buffalo are not well known yet. This study aimed to gain insight into the adaption of bacteria and the complexity of the metabolome in the rumen of six buffalo during HS using 16S rDNA and gas chromatography metabolomics analyses. HS increased respiratory rate (p < 0.05) and skin temperature (p < 0.01), and it decreased the content of acetic acid (p < 0.05) and butyric acid (p < 0.05) in the rumen. Omics sequencing revealed that the relative abundances of Lachnospirales, Lachnospiraceae, Lachnospiraceae_NK3A20_group and Clostridia_UCG-014 were significantly (p < 0.01) higher under HS than non-heat stress conditions. Several bacteria at different levels, such as Lactobacillales, Streptococcus, Leuconostocaceae and Leissella, were significantly (p < 0.05) more abundant in the rumen of the non-heat stress than HS condition. Thirty-two significantly different metabolites closely related to HS were identified (p < 0.05). Metabolic pathway analysis revealed four key pathways: D-Alanine metabolism; Lysine degradation, Tropane; piperidine and pyridine alkaloid biosynthesis; and Galactose metabolism. In summary, HS may negatively affected rumen fermentation efficiency and changed the composition of rumen community and metabolic function.
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Kim WS, Ghassemi Nejad J, Peng DQ, Jo YH, Kim J, Lee HG. Effects of different protein levels on growth performance and stress parameters in beef calves under heat stress. Sci Rep 2022; 12:8113. [PMID: 35581285 PMCID: PMC9114135 DOI: 10.1038/s41598-022-09982-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 03/29/2022] [Indexed: 11/09/2022] Open
Abstract
This study investigated the effects of dietary protein levels under various heat stress (HS) conditions on the growth performance and stress parameters in Korean native beef calves. Male calves (n = 40; initial BW = 202.2 ± 3.31 kg) were randomly assigned to climatic-controlled chambers with 3 × 3 factorial arrangements. Calves were assigned into three dietary protein levels (low protein; LP = 12.5%, medium protein; MP = 15%, and high protein; HP = 17.5%) and three HS levels [mild: temperature-humidity index (THI) = 74 to 76, moderate: THI = 81 to 83, and severe: THI = 89 to 91] with control (threshold: THI = 70 to 73 and dietary protein level 12.5%). The calves were subjected to ambient temperature (22 °C) for 7 days and subsequently to the temperature and humidity corresponding to the target THI level for 21 days. The data were analyzed using the repeated-measures analysis by the GLM procedure of SAS. As a result, average daily gain (ADG) was decreased (P < 0.05) under severe HS level compared to the mild and moderate HS stress levels. However, HP increased ADG (P < 0.05) than moderate levels (LP) and severe levels (LP and MP). Under different HS levels (mild, moderate, and severe), HR, RT, and blood cortisol were increased (P < 0.05) compared to a threshold level, but no differences were observed in the parameters among various protein levels. Varied HS levels decreased the levels of blood glucose, NEFA, and amino acids (AAs) (lysine and glutamic acid) compared to a threshold (P < 0.05). But, the HP group resulted in increased (P < 0.05) levels of blood glucose, NEFA, and AAs (lysine and glutamic acid) compared to LP and MP groups under severe HS stress. The expression level of the HSP70 gene in peripheral blood mononuclear cell (PBMC) and hair follicles was increased (P < 0.05) following an increase in moderate and severe HS levels. Also, HSP70 gene expression in the HP group was decreased (P < 0.05) compared with LP and MP groups under intense HS level. Overall, HS in Korean native beef calves exhibited negative effects on ADG, blood glucose, NEFA, and AA profile. However, 17.5% of dietary protein (HP) could compensate for the growth of heat-exposed Korean native beef calves through the regulation of homeostasis by protein and energy metabolism. Also, it was evident that adequate protein (HP) is used as a major nutrient for HSP70 synthesis in PBMC and hair follicles causing, a boost in the immune system of heat-exposed Korean native beef calves.
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Affiliation(s)
- Won Seob Kim
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, 05029, Korea.,Department of Animal Science, Michigan State University, East Lansing, MI, 48824, USA
| | - Jalil Ghassemi Nejad
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, 05029, Korea
| | - Dong Qiao Peng
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, 05029, Korea
| | - Yong Ho Jo
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, 05029, Korea
| | - Jongkyoo Kim
- Animal Science and Food Science and Human Nutrition, Michigan State University, East Lansing, MI, 48824, USA
| | - Hong Gu Lee
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, 05029, Korea.
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An Z, Zhang X, Gao S, Zhou D, Riaz U, Abdelrahman M, Hua G, Yang L. Effects of Capsicum Oleoresin Supplementation on Lactation Performance, Plasma Metabolites, and Nutrient Digestibility of Heat Stressed Dairy Cow. Animals (Basel) 2022; 12:ani12060797. [PMID: 35327194 PMCID: PMC8944809 DOI: 10.3390/ani12060797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/19/2022] [Accepted: 03/21/2022] [Indexed: 11/16/2022] Open
Abstract
The present study investigates the effect of Capsicum oleoresin (CAP) supplementation on the dry matter intake, milk performance, plasma metabolites, and nutrient digestibility of dairy cows during the summer. Thirty-two lactating Holstein dairy cows (n = 32) were randomly divided into four groups. The CAP was dissolved in water and added to the total mixed ration with graded levels of CAP (0, 20, 40, and 80 mg/kg of dry matter). The trial period consisted of seven days for adaptation and thirty days for sampling. Data were analyzed using the MIXED and GLM procedure SAS. The linear and quadratic effects were tested. The milk yield, milk fat, and milk urea nitrogen increased linearly with the dietary addition of CAP (p < 0.05). The dry matter intake increased linearly in the 20CAP group (p < 0.05). Additionally, the 4% fat-corrected milk, energy-corrected milk, milk fat yield, and milk fat to milk protein ratio increased quadratically (p < 0.05), while the rectal temperature decreased quadratically (p < 0.05). Serum total cholesterol and non-esterified fatty acids increased linearly (p < 0.05); glucose and β-hydroxybutyrate tended to increase quadratically with the dietary addition of CAP (p = 0.05). Meanwhile, CAP supplementation did not affect the milk protein yield, blood concentration of triglyceride, insulin, lipopolysaccharide, immunoglobulin G, or heat shock protein 70 expression level (p > 0.05). In addition, nutrient digestibility was comparable among groups (p > 0.05). These findings indicated that CAP supplementation could enhance the lactation performance of dairy cows during the summer.
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Affiliation(s)
- Zhigao An
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (Z.A.); (X.Z.); (S.G.); (D.Z.); (U.R.); (M.A.); (G.H.)
| | - Xinxin Zhang
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (Z.A.); (X.Z.); (S.G.); (D.Z.); (U.R.); (M.A.); (G.H.)
| | - Shanshan Gao
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (Z.A.); (X.Z.); (S.G.); (D.Z.); (U.R.); (M.A.); (G.H.)
| | - Di Zhou
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (Z.A.); (X.Z.); (S.G.); (D.Z.); (U.R.); (M.A.); (G.H.)
| | - Umair Riaz
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (Z.A.); (X.Z.); (S.G.); (D.Z.); (U.R.); (M.A.); (G.H.)
- Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Mohamed Abdelrahman
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (Z.A.); (X.Z.); (S.G.); (D.Z.); (U.R.); (M.A.); (G.H.)
- Animal Production Department, Faculty of Agriculture, Assuit University, Asyut 71515, Egypt
| | - Guohua Hua
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (Z.A.); (X.Z.); (S.G.); (D.Z.); (U.R.); (M.A.); (G.H.)
- Hubei Engineering Research Center in Buffalo Breeding and Products, Wuhan 430070, China
| | - Liguo Yang
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; (Z.A.); (X.Z.); (S.G.); (D.Z.); (U.R.); (M.A.); (G.H.)
- Hubei Engineering Research Center in Buffalo Breeding and Products, Wuhan 430070, China
- Correspondence:
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CircEZH2 Regulates Milk Fat Metabolism through miR-378b Sponge Activity. Animals (Basel) 2022; 12:ani12060718. [PMID: 35327115 PMCID: PMC8944462 DOI: 10.3390/ani12060718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/01/2022] [Accepted: 03/07/2022] [Indexed: 01/25/2023] Open
Abstract
Simple Summary Heat stress has seriously threatened the performance and health of dairy cows and has become one of the most important factors restricting the development of the dairy industry. In our previous study, we found that heat stress markedly altered the expression patterns of circRNAs in dairy cow’s mammary gland tissue, and heat-induced circRNAs participated in the regulation of milk fat metabolism through competing endogenous RNA (ceRNA) networks. Therefore, we evaluated the roles of heat-induced circEZH2 in the regulation of milk fat metabolism in this study. In more detail, we found that circEZH2 affects the proliferation, apoptosis, and lipid metabolism of mammary gland epithelial cells, and successfully verified the targeting relationship of circEZH2-bta-miR378b-LPL and circEZH2-bta-miR378b-CD36. This experiment expands the basic data on the role of circRNA in milk fat regulation, and provides a theoretical basis for alleviating heat stress in dairy cows. Abstract In this study, we evaluated the roles of heat-induced circEZH2 in the regulation of milk fat metabolism. CircEZH2 overexpression increased HC11 cell proliferation and decreased apoptosis. These changes were accompanied by increased expression of proliferation marker proteins (PCNA, Cyclin D, and Cyclin E) and the anti-apoptotic protein Bcl2, while expression of the pro-apoptotic proteins Bax and cleaved-caspase was reduced. SiRNA-mediated silencing of EZH2 in HC11 cells had the opposite effects. CircEZH2 overexpression promoted the uptake of a fluorescent fatty acid (Bodipy) as well as expression of the fatty acid transport-related protein CD36, lipolysis-related protein LPL, and unsaturated fatty acid metabolism-related proteins FADS1 and SCD1. Dual luciferase reporter assays verified the targeting relationship of the two ceRNA networks, circEZH2-miR378b-LPL and circEZH2-miR378b-CD36. This information provides further clarification of the role of circRNAs in milk fat regulation in addition to a theoretical basis for alleviating the effects of heat stress on milk production by dairy cows.
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Kim SH, Ramos SC, Valencia RA, Cho YI, Lee SS. Heat Stress: Effects on Rumen Microbes and Host Physiology, and Strategies to Alleviate the Negative Impacts on Lactating Dairy Cows. Front Microbiol 2022; 13:804562. [PMID: 35295316 PMCID: PMC8919045 DOI: 10.3389/fmicb.2022.804562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 01/31/2022] [Indexed: 11/13/2022] Open
Abstract
Heat stress (HS) in dairy cows causes considerable losses in the dairy industry worldwide due to reduced animal performance, increased cases of metabolic disorders, altered rumen microbiome, and other health problems. Cows subjected to HS showed decreased ruminal pH and acetate concentration and an increased concentration of ruminal lactate. Heat-stressed cows have an increased abundance of lactate-producing bacteria such as Streptococcus and unclassified Enterobacteriaceae, and soluble carbohydrate utilizers such as Ruminobacter, Treponema, and unclassified Bacteroidaceae. Cellulolytic bacteria, especially Fibrobacteres, increase during HS due to a high heat resistance. Actinobacteria and Acetobacter, both acetate-producing bacteria, decreased under HS conditions. Rumen fermentation functions, blood parameters, and metabolites are also affected by the physiological responses of the animal during HS. Isoleucine, methionine, myo-inositol, lactate, tryptophan, tyrosine, 1,5-anhydro-D-sorbitol, 3-phenylpropionic acid, urea, and valine decreased under these conditions. These responses affect feed consumption and production efficiency in milk yield, growth rate, and reproduction. At the cellular level, activation of heat shock transcription factor (HSF) (located throughout the nucleus and the cytoplasm) and increased expression of heat shock proteins (HSPs) are the usual responses to cope with homeostasis. HSP70 is the most abundant HSP family responsible for the environmental stress response, while HSF1 is essential for increasing cell temperature. The expression of bovine lymphocyte antigen and histocompatibility complex class II (DRB3) is downregulated during HS, while HSP90 beta I and HSP70 1A are upregulated. HS increases the expression of the cytosolic arginine sensor for mTORC1 subunits 1 and 2, phosphorylation of mammalian target of rapamycin and decreases the phosphorylation of Janus kinase-2 (a signal transducer and activator of transcription factor-5). These changes in physiology, metabolism, and microbiomes in heat-stressed dairy cows require urgent alleviation strategies. Establishing control measures to combat HS can be facilitated by elucidating mechanisms, including proper HS assessment, access to cooling facilities, special feeding and care, efficient water systems, and supplementation with vitamins, minerals, plant extracts, and probiotics. Understanding the relationship between HS and the rumen microbiome could contribute to the development of manipulation strategies to alleviate the influence of HS. This review comprehensively elaborates on the impact of HS in dairy cows and introduces different alleviation strategies to minimize HS.
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Affiliation(s)
- Seon Ho Kim
- Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon, South Korea
| | - Sonny C. Ramos
- Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon, South Korea
| | - Raniel A. Valencia
- Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon, South Korea
- Department of Animal Science, College of Agriculture, Central Luzon State University, Science City of Muñoz, Philippines
| | - Yong Il Cho
- Animal Disease and Diagnostic Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon, South Korea
| | - Sang Suk Lee
- Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon, South Korea
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The effect of high temperature and humidity on milk yield in Ankole and crossbred cows. Trop Anim Health Prod 2022; 54:85. [PMID: 35113244 PMCID: PMC8813830 DOI: 10.1007/s11250-022-03092-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 01/04/2022] [Indexed: 11/28/2022]
Abstract
Tropical regions are characterized by high temperature and humidity across the year. At high values of temperature humidity index (THI), there is a risk of heat stress leading to lower milk yield. The objective of this study was to describe the effect of season and the effect of maximum daily THI on milk yield of that day in purebred Ankole and Ankole-Friesian, Ankole-Jersey and Ankole-Sahiwal crosses in a tropical climate. In total, 53,730 records of daily milk yield from 183 cows in Rwanda were analyzed. The results showed that THI had a negative effect on daily milk yield above a threshold, but the effect was small (− 0.11 kg milk/THI unit at most). Purebred Ankole cows had the lowest daily milk yield and the lowest threshold (THI mean 66), as compared to the crossbreds (THI mean 68–69). Ankole-Friesian had a steeper decline in daily milk yield above the threshold than Ankole. The crossbreds, especially Ankole-Friesian, had higher daily milk yield than purebred Ankole also at very high THI. The results indicate some differences between breed groups in the way of coping with a hot and humid climate and raise questions about dairy cows’ adaptation to such a climate.
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46
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A review of methods for improving resolution of milk production data and weather information for measuring heat stress in dairy cattle. Livest Sci 2022. [DOI: 10.1016/j.livsci.2021.104794] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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47
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Zhou J, Yue S, Xue B, Wang Z, Wang L, Peng Q, Hu R, Xue B. Effect of hyperthermia on cell viability, amino acid transfer, and
milk protein synthesis in bovine mammary epithelial cells. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2021; 64:110-122. [PMID: 35174346 PMCID: PMC8819330 DOI: 10.5187/jast.2021.e128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 11/08/2021] [Accepted: 11/16/2021] [Indexed: 11/20/2022]
Abstract
The reduction of milk yield caused by heat stress in summer is the main condition
restricting the economic benefits of dairy farms. To examine the impact of
hyperthermia on bovine mammary epithelial (MAC-T) cells, we incubated the MAC-T
cells at thermal-neutral (37°C, CON group) and hyperthermic (42°C,
HS group) temperatures for 6 h. Subsequently, the cell viability and apoptotic
rate of MAC-T cells, apoptosis-related genes expression, casein and amino acid
transporter genes, and the expression of the apoptosis-related proteins were
examined. Compared with the CON group, hyperthermia significantly decreased the
cell viability (p < 0.05) and elevated the apoptotic
rate (p < 0.05) of MAC-T cells. Moreover, the expression
of heat shock protein (HSP)70,
HSP90B1, Bcl-2-associated X protein (BAX),
Caspase-9, and Caspase-3 genes was
upregulated (p < 0.05). The expression of HSP70 and BAX
(pro-apoptotic) proteins was upregulated (p < 0.05)
while that of B-cell lymphoma (BCL)2 (antiapoptotic) protein was downregulated
(p < 0.05) by hyperthermia. Decreased mRNA
expression of mechanistic target of rapamycin (mTOR) signaling pathway-related
genes, amino acid transporter genes (SLC7A5,
SLC38A3, SLC38A2, and
SLC38A9), and casein genes (CSNS1,
CSN2, and CSN3) was found in the heat
stress (HS) group (p < 0.05) in contrast with the CON
group. These findings illustrated that hyperthermia promoted cell apoptosis and
reduced the transport of amino acids into cells, which inhibited the milk
proteins synthesis in MAC-T cells.
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Affiliation(s)
- Jia Zhou
- Animal Nutrition Institute, Sichuan
Agricultural University, Chengdu 611130, China
| | - Sungming Yue
- Department of Bioengineering, Sichuan Water Conservancy
Vocation College, Chengdu 611845, China
| | - Benchu Xue
- Animal Nutrition Institute, Sichuan
Agricultural University, Chengdu 611130, China
| | - Zhisheng Wang
- Animal Nutrition Institute, Sichuan
Agricultural University, Chengdu 611130, China
| | - Lizhi Wang
- Animal Nutrition Institute, Sichuan
Agricultural University, Chengdu 611130, China
| | - Quanhui Peng
- Animal Nutrition Institute, Sichuan
Agricultural University, Chengdu 611130, China
| | - Rui Hu
- Animal Nutrition Institute, Sichuan
Agricultural University, Chengdu 611130, China
| | - Bai Xue
- Animal Nutrition Institute, Sichuan
Agricultural University, Chengdu 611130, China
- Corresponding author: Bai Xue, Animal Nutrition
Institute, Sichuan Agricultural University, Chengdu 611130, China. Tel:
+86-28-86291781, E-mail:
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Malacco VM, Martins LF, Maciel IC, Lage CF, Coelho RR, Costa ALB, Moura AM, Saturnino HM, Coelho SG, Reis RB. Effects of partial replacement of solvent-extracted soybean meal by amino resin-treated soybean meal in the concentrate supplement of high producing grazing dairy cows. Livest Sci 2021. [DOI: 10.1016/j.livsci.2021.104762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chang-Fung-Martel J, Harrison MT, Brown JN, Rawnsley R, Smith AP, Meinke H. Negative relationship between dry matter intake and the temperature-humidity index with increasing heat stress in cattle: a global meta-analysis. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2021; 65:2099-2109. [PMID: 34283273 PMCID: PMC8566424 DOI: 10.1007/s00484-021-02167-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 05/24/2021] [Accepted: 06/22/2021] [Indexed: 05/15/2023]
Abstract
Changes in frequency and severity of heat waves due to climate change pose a considerable challenge to livestock production systems. Although it is well known that heat stress reduces feed intake in cattle, effects of heat stress vary between animal genotypes and climatic conditions and are context specific. To derive a generic global prediction that accounts for the effects of heat stress across genotypes, management and environments, we conducted a systematic literature review and a meta-analysis to assess the relationship between dry matter intake (DMI) and the temperature-humidity index (THI), two reliable variables for the measurement of feed intake and heat stress in cattle, respectively. We analysed this relationship accounting for covariation in countries, breeds, lactation stage and parity, as well as the efficacy of various physical cooling interventions. Our findings show a significant negative correlation (r = - 0.82) between THI and DMI, with DMI reduced by 0.45 kg/day for every unit increase in THI. Although differences in the DMI-THI relationship between lactating and non-lactating cows were not significant, effects of THI on DMI varied between lactation stages. Physical cooling interventions (e.g. provision of animal shade or shelter) significantly alleviated heat stress and became increasingly important after THI 68, suggesting that this THI value could be viewed as a threshold for which cooling should be provided. Passive cooling (shading) was more effective at alleviating heat stress compared with active cooling interventions (sprinklers). Our results provide a high-level global equation for THI-DMI across studies, allowing next-users to predict effects of heat stress across environments and animal genotypes.
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Affiliation(s)
- J Chang-Fung-Martel
- Tasmanian Institute of Agriculture, University of Tasmania, Sandy Bay, TAS, 7001, Australia.
- School of Life and Environmental Sciences, The University of Sydney, Camden, NSW, 2570, Australia.
| | - M T Harrison
- Tasmanian Institute of Agriculture, University of Tasmania, Burnie, TAS, 7320, Australia
| | - J N Brown
- CSIRO Oceans and Atmosphere, Castray Esplanade, Battery Point, TAS, 7001, Australia
| | - R Rawnsley
- Tasmanian Institute of Agriculture, University of Tasmania, Burnie, TAS, 7320, Australia
| | - A P Smith
- ICRISAT, Patancheru, 502 324, Telangana, India
| | - H Meinke
- University of Tasmania, Hobart, TAS, 7001, Australia
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Pate RT, Luchini D, Cant JP, Baumgard LH, Cardoso FC. Immune and metabolic effects of rumen-protected methionine during a heat stress challenge in lactating Holstein cows. J Anim Sci 2021; 99:skab323. [PMID: 34741611 PMCID: PMC8648293 DOI: 10.1093/jas/skab323] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/04/2021] [Indexed: 12/15/2022] Open
Abstract
Multiparous, lactating Holstein cows (n = 32) were randomly assigned to one of two dietary treatments [TMR with rumen-protected Met (RPM) or TMR without RPM (CON)], and within each dietary treatment group cows were randomly assigned to one of two environmental treatment groups in a split-plot crossover design. In phase 1 (9 d), all cows were fed ad libitum and in thermoneutral conditions (TN). In phase 2 (9 d), group 1 (n = 16) was exposed to a heat stress (HS) challenge (HSC). Group 2 cows (n = 16) were pair-fed (PFTN) to HSC counterparts and remained in TN. After a 21-d washout period, the study was repeated (period 2) and the environmental treatments were inverted relative to treatments from phase 2 of period 1, while dietary treatments remained the same for each cow. During phase 1, cows in RPM had greater plasma Met concentration compared with cows in CON (59 and 30 µM, respectively; P < 0.001). Cows in PFTN had a greater decrease (P < 0.05) in plasma insulin than cows in HSC at 4 h (-2.7 µIU/mL vs. -0.7 µIU/mL) and 8 h (-7.7 µIU/mL vs. -0.4 µIU/mL) during phase 2. Compared with cows in PFTN, cows in HSC had an increase (P < 0.05) in plasma serum amyloid A (-59 µg/mL vs. +58 µg/mL), serum haptoglobin (-3 µg/mL vs. +33 µg/mL), plasma lipopolysaccharide binding protein (-0.27 and +0.11 µg/mL), and plasma interleukin-1β (-1.9 and +3.9 pg/mL) during phase 2. In conclusion, HSC elicited immunometabolic alterations; however, there were limited effects of RPM on cows in HSC.
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Affiliation(s)
- Russell T Pate
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA
| | | | - John P Cant
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Lance H Baumgard
- Department of Animal Science, Iowa State University, Ames, IA 50011, USA
| | - Felipe C Cardoso
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA
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