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Cellone I, Russi N, Calvinho LF, Signorini M, Molineri A. Effects of feeding pasteurized waste milk or saleable milk to calves on weight, health and fecal Escherichia coli antimicrobial resistance. J DAIRY RES 2024:1-7. [PMID: 38639043 DOI: 10.1017/s0022029924000219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
The aim of this study was to compare the effects of feeding pasteurized waste milk or saleable milk to calves on weight, health and emergence of antimicrobial resistance in Escherichia coli strains isolated from those calves. An experimental study under field conditions on a commercial pasture-based Argentinian dairy farm was carried out. Forty Holstein calves were assigned randomly to either pasteurized waste milk (PWM) or non-pasteurized saleable milk (SM). The antimicrobial agents (AM) used on the farm, both to treat or prevent diseases, were recorded. The passive immunity level, calf live weight, AM presence in milk, clinical examination of calves, and E. coli isolation and identification, were performed. A total of 258 E. coli strains were isolated from fecal samples (132 isolates from SM calves and 126 from PWM calves at six sampling times). All E. coli isolated were used to perform AM susceptibility tests (disc diffusion and agar dilution). No differences were observed between groups in health parameters, average daily gain or prevalence of resistant E. coli strains to any AM evaluated throughout the study. Peaks of trimethoprim, sulfamethoxazole and enrofloxacin minimum inhibitory concentration (MIC) were observed at 30 d in E. coli from both groups of calves, whilst additional peaks to tetracyclin and ampicillin were observed only in SM calves. All MIC apart from gentamicin decreased at 75 and 90 d of age (during the weaning period). Gentamicin MIC behaved differently, having no peaks and increasing at 90 d only in PWM group. In conclusion, we found no evidence that emergence of antibiotic resistance is related to the consumption of pasteurized waste milk.
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Affiliation(s)
- Ivana Cellone
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, Kreder 2805, Esperanza 3080, Santa Fe, Argentina
| | - Norma Russi
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, Kreder 2805, Esperanza 3080, Santa Fe, Argentina
| | - Luis F Calvinho
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, Kreder 2805, Esperanza 3080, Santa Fe, Argentina
- Instituto de Investigación de la Cadena Láctea (IDICaL, INTA-CONICET) - EEA Rafaela INTA, Ruta Nacional 34 Km 227, Rafaela 2300, Santa Fe, Argentina
| | - Marcelo Signorini
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, Kreder 2805, Esperanza 3080, Santa Fe, Argentina
- Instituto de Investigación de la Cadena Láctea (IDICaL, INTA-CONICET) - EEA Rafaela INTA, Ruta Nacional 34 Km 227, Rafaela 2300, Santa Fe, Argentina
| | - Ana Molineri
- Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, Kreder 2805, Esperanza 3080, Santa Fe, Argentina
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Umaña Sedó SG, Winder CB, Renaud DL. Graduate Student Literature Review: The problem of calf mortality on dairy farms. J Dairy Sci 2023; 106:7164-7176. [PMID: 37210372 DOI: 10.3168/jds.2022-22795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 04/11/2023] [Indexed: 05/22/2023]
Abstract
Calf mortality can be used as an indicator of animal health and welfare on dairy farms. However, several challenges surround the estimation and reporting of this metric, specifically: (1) lack of records or reliable data, (2) methods of data collection, and (3) inconsistencies in calculation and definitions used. Therefore, despite its importance, the lack of consensus on a definition of calf mortality makes it difficult to compare mortality rates between dairy farms or studies. Monitoring factors associated with calf mortality is vital to create preventative strategies. Although common strategies have been set about how to raise dairy calves and manage dairy calves, discrepancies among studies evaluating factors associated with calf mortality still exist. This review summarizes research on the evaluation of calf mortality and associated risk factors, specifically, the lack of reliable data and standardization of the definition of calf mortality. In addition, current strategies to monitor and prevent calf mortality will be presented in this review.
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Affiliation(s)
- S G Umaña Sedó
- Department of Population Medicine, University of Guelph, Guelph, Ontario, N1G 2W1, Canada.
| | - C B Winder
- Department of Population Medicine, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - D L Renaud
- Department of Population Medicine, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
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Zhang X, Cheng C, Lv J, Bai H, Sun F, Liu C, Liu C, Zhang Y, Xin H. Effects of waste milk feeding on rumen fermentation and bacterial community of pre-weaned and post-weaned dairy calves. Front Microbiol 2023; 13:1063523. [PMID: 36726559 PMCID: PMC9885116 DOI: 10.3389/fmicb.2022.1063523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/29/2022] [Indexed: 01/17/2023] Open
Abstract
The objective of this study was to investigate the effect of waste milk with antibiotic residue on rumen fermentation and rumen bacterial composition of dairy calves during pre-weaned and post-weaned periods. A total of 24 Holstein male calves (43.4 ± 0.93 kg body weight, mean ± standard error) were allocated into four blocks based on birth date. Dairy calves were supplied 100% milk replacer (MR, n = 8), 50% milk replacer mixed with 50% waste milk (MM, n = 8), or 100% waste milk (WM, n = 8). Ruminal samples were collected at 49 and 63 days of age and then subjected to determinations of pH value, volatile fatty acids (VFA), ammonia nitrogen (NH3-N) and 16S rRNA gene amplicon sequencing. The results showed that feeding WM had no effect on the pH value, the concentrations of VFA (acetic acid, propionic acid, butyric acid, isovaleric acid, valeric acid), and NH3-N in dairy calves compared to feeding MR. However, from 49 to 63 days of age, the pH value (p < 0.001) was significantly increased, while the levels of total VFA (p = 0.004), acetic acid (p = 0.01), propionic acid (p = 0.003) and valeric acid (p < 0.001) were significantly decreased. For rumen microorganisms, there was no differences in bacterial diversity among the treatments. But the relative abundance of Veillonellaceae was significantly lower (p = 0.05) in the calves fed WM than that from MR group at 49 days of age; however, no difference was detected at 63 days of age. Feeding WM to calves tended to reduce family Veillonellaceae and genus Olsenella in the rumen at 49 days of age (p = 0.049). Analysis of temporal changes in rumen bacteria based on alpha-diversity and beta-diversity as well as the microbial relative abundances did not exhibit any difference. In addition, relative abundances of Clostridia_UCG-014, Prevotella, Syntrophococcus, Eubacterium_nodatum_group, Pseudoramibacter and Solobacterium were correlated with rumen pH value and the concentrations of TVFA, propionic acid, isovaleric acid, valeric acid and NH3-N. In conclusion, compare to MR, calves supplied with WM had little changes on the rumen pH value, NH3-N or VFAs contents. Additionally, limited effects could be found on rumen microbiota in the calves fed WM. However, further studies needed to explore if there exist any long-term effects of early-life rumen microbiota modulation on dairy cows.
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Affiliation(s)
- Xinyue Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, China,State Key Laboratory of Animal Nutrition, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Chuanteng Cheng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, China
| | - Jingyi Lv
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, China
| | - Haixin Bai
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, China
| | - Fang Sun
- Institute of Animal Husbandry, Heilongjiang Academy of Agricultural Sciences, Harbin, China
| | - Chundong Liu
- Harbin Wondersun the Cow Feeds the Reproduction Co., Ltd., Harbin, China
| | - Chunlong Liu
- Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Harbin, China
| | - Yonggen Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, China
| | - Hangshu Xin
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, China,*Correspondence: Hangshu Xin, ✉
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Andretta M, Call DR, Nero LA. Insights into antibiotic use in Brazilian dairy production. INT J DAIRY TECHNOL 2022. [DOI: 10.1111/1471-0307.12914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Milimani Andretta
- InsPOA—Laboratório de Inspeção de Produtos de Origem Animal, Departamento de Veterinária Universidade Federal de Viçosa, Campus Universitário Viçosa MG 36570‐900 Brazil
| | - Douglas Ruben Call
- Paul G. Allen School for Global Health Washington State University 240 SE Ott Road Pullman WA 99164 USA
| | - Luís Augusto Nero
- InsPOA—Laboratório de Inspeção de Produtos de Origem Animal, Departamento de Veterinária Universidade Federal de Viçosa, Campus Universitário Viçosa MG 36570‐900 Brazil
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Ma Y, Khan MZ, Xiao J, Alugongo GM, Chen X, Li S, Wang Y, Cao Z. An Overview of Waste Milk Feeding Effect on Growth Performance, Metabolism, Antioxidant Status and Immunity of Dairy Calves. Front Vet Sci 2022; 9:898295. [PMID: 35656173 PMCID: PMC9152456 DOI: 10.3389/fvets.2022.898295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 04/19/2022] [Indexed: 11/15/2022] Open
Abstract
Waste milk (WM) is a part of the milk produced on dairy farms, which is usually unsuitable for human consumption. The WM contains transition milk, mastitis milk, colostrum, milk with somatic cells, blood (Hemolactia), harmful pathogens, pathogenic and antibiotic residues. Due to the high cost of milk replacer (MR), dairy farmers prefer raw WM to feed their calves. It has been well established that WM has a greater nutritive value than MR. Hence WM can contribute to improved growth, rumen development, and immune-associated parameters when fed to dairy calves. However, feeding raw WM before weaning has continuously raised some critical concerns. The pathogenic load and antibiotic residues in raw WM may increase the risk of diseases and antibacterial resistance in calves. Thus, pasteurization has been recommended as an effective method to decrease the risk of diseases in calves by killing/inhibiting the pathogenic microorganisms in the raw WM. Altogether, the current review provides a brief overview of the interplay between the positive role of raw WM in the overall performance of dairy calves, limitations of raw WM as a feed source and how to overcome these issues arising from feeding raw WM.
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Affiliation(s)
- Yulin Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Muhammad Zahoor Khan
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- University of Agriculture, Dera Ismail Khan, Khyber Pakhtunkhwa, Pakistan
| | - Jianxin Xiao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Gibson Maswayi Alugongo
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xu Chen
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Shengli Li
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yajing Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Zhijun Cao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- *Correspondence: Zhijun Cao
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