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Ghedini CP, Silva LHP, Moura DC, Brito AF. Supplementing flaxseed meal with sucrose, flaxseed oil, or both: Effect on milk enterolactone, ruminal microbiota profile, production performance, and nutrient utilization in dairy cows. J Dairy Sci 2024:S0022-0302(24)00803-8. [PMID: 38762110 DOI: 10.3168/jds.2024-24649] [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: 01/05/2024] [Accepted: 04/01/2024] [Indexed: 05/20/2024]
Abstract
Flaxseed is the richest source of secoisolariciresinol diglucoside, which is converted by ruminal microorganisms primarily to the mammalian lignan enterolactone. Our objective was to investigate the effect of diets containing soybean meal or flaxseed meal (FM) supplemented with sucrose, flaxseed oil, or both on milk enterolactone concentration and yield, diversity and relative abundance of ruminal bacterial taxa, ruminal fermentation profile, production performance, milk fatty acid (FA) yield, and nutrient utilization in dairy cows. Sixteen Holstein cows [8 multiparous (4 ruminally-cannulated) and 8 primiparous] averaging (mean ± SD) 134 ± 54.1 DIM and 679 ± 78.9 kg of BW in the beginning of the study were assigned to treatment sequences in a replicated 4 × 4 Latin square design. Each experimental period lasted 25 d with 18 d for diet adaptation and 7 d for data and sample collection. Diets were formulated to contain a 60:40 forage:concentrate ratio and included (DM basis): 1) 8% soybean meal and 23% ground corn (SBM), 2) 15% FM, 10.7% ground corn, and 5% sucrose (FLX+S), 3) 15% FM, 15.4% ground corn, and 3% flaxseed oil (FLX+O), and 4) 15% FM, 10.2% ground corn, 5% sucrose, and 3% flaxseed oil (FLX+SO). Compared with SBM, the concentration and yield of milk enterolactone increased in cows fed the FM diets, but did not differ among FLX+S, FLX+O, and FLX+SO. The relative abundances of the phyla Firmicutes, Verrucomicrobiota, and Actinobacteriota and those of the bacterial genera Lachnospiraceae NK3A20 group, Eubacterium coprostanoligenes group, Anaeromusa-Anaeroarcus, WCHB1-41, and p-251-o5 decreased, whereas Prevotella and NK4A214 group increased when comparing SBM against at least 1 diet containing FM. Furthermore, the relative abundances of Firmicutes and Actinobacteriota and those of Prevotella, Lachnospiraceae NK3A20 group, Eubacterium coprostanoligenes group, Acetitomaculum, Lachnospiraceae unclassified, NK4A214 group, and Anaeromusa-Anaeroarcus changed (increased or decreased) across the FLX+S, FLX+O, and FLX+SO diets. However, all these changes in the relative abundance of the ruminal bacterial taxa were not conclusively associated with the effect of diets on milk enterolactone. Diets did not affect ruminal pH and concentrations of NH3-N and total VFA. Dry matter intake and yields of milk, milk fat, and milk true protein all decreased in cows fed FLX+O or FLX+SO. Yields of milk total odd-chain FA, branched-chain FA, total < 16C FA, and total 16C FA all decreased with feeding FLX+O and FLX+SO. The apparent total-tract digestibilities of DM and OM were lowest in the FLX+S and FLX+O diets, with CP and ADF digestibilities lowest in cows receiving FLX+S or FLX+O, respectively. Urinary excretion of total N was lowest with feeding SBM. Contrarily, diets did not affect the urinary excretion of total purine derivatives. In brief, despite the effect of diets on the relative abundance of several ruminal microbiota phyla and genera, we were unable to conclusively associate these changes with increased milk enterolactone in FM-containing diets versus SBM.
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Affiliation(s)
- C P Ghedini
- University of New Hampshire, Department of Agriculture, Nutrition and Food Systems, Durham, NH 03824
| | - L H P Silva
- University of New Hampshire, Department of Agriculture, Nutrition and Food Systems, Durham, NH 03824
| | - D C Moura
- Instituto de Ciências Agrárias e Ambientais, Universidade Federal de Mato Grosso - Campus Sinop, Sinop, MT, Brazil 78557-267
| | - A F Brito
- University of New Hampshire, Department of Agriculture, Nutrition and Food Systems, Durham, NH 03824.
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2
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Musati M, Frutos P, Bertino A, Hervás G, Luciano G, Forte C, Priolo A, Lanza M, Bella M, Biondi L, Natalello A. Dietary combination of linseed and hazelnut skin as a sustainable strategy to enrich lamb with health promoting fatty acids. Sci Rep 2024; 14:10133. [PMID: 38698104 PMCID: PMC11066009 DOI: 10.1038/s41598-024-60303-3] [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: 02/08/2024] [Accepted: 04/21/2024] [Indexed: 05/05/2024] Open
Abstract
This study investigated the effect of the inclusion of extruded linseed and hazelnut skin on fatty acid (FA) metabolism in finishing lambs. Forty lambs were divided into 4 groups and fed for 60 d with: a conventional cereal-based diet, or the same diet with 8% of extruded linseed, or 15% of hazelnut skin, or 4% of linseed plus 7.5% of hazelnut skin as partial replacement of maize. Dietary treatments did not affect growth performances, carcass traits, and ruminal fermentation. The combined effect of linseed and hazelnut skin enriched the intramuscular fat with health promoting FA. Particularly, increases in α-linolenic acid (3.75-fold), and very long-chain n-3 poly-unsaturated FA (+ 40%) were attributed to the supplementation with linseed, rich in α-linolenic acid. In addition, increases in rumenic (+ 33%), and vaccenic (+ 59%) acids were attributed to hazelnut skin tannins modulating ruminal biohydrogenation and accumulating intermediate metabolites. The simultaneous inclusion of linseed and hazelnut skin can be a profitable strategy for enriching the intramuscular fat of lambs with health promoting FA, without adverse effects on ruminal fermentation and animal performance.
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Affiliation(s)
- Martino Musati
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 100, 95123, Catania, Italy
| | - Pilar Frutos
- Instituto de Ganadería de Montaña (CSIC-University of León), Finca Marzanas s/n, 24346, Grulleros, León, Spain
| | - Antonino Bertino
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 100, 95123, Catania, Italy
| | - Gonzalo Hervás
- Instituto de Ganadería de Montaña (CSIC-University of León), Finca Marzanas s/n, 24346, Grulleros, León, Spain.
| | - Giuseppe Luciano
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 100, 95123, Catania, Italy
| | - Claudio Forte
- Department of Veterinary Sciences, University of Turin, Largo Paolo Braccini 2, 10095, Grugliasco (TO), Italy
| | - Alessandro Priolo
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 100, 95123, Catania, Italy
| | - Massimiliano Lanza
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 100, 95123, Catania, Italy
| | - Marco Bella
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 100, 95123, Catania, Italy
| | - Luisa Biondi
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 100, 95123, Catania, Italy
| | - Antonio Natalello
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), University of Catania, Via Santa Sofia 100, 95123, Catania, Italy
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Iorizzo M, Di Martino C, Letizia F, Crawford TW, Paventi G. Production of Conjugated Linoleic Acid (CLA) by Lactiplantibacillus plantarum: A Review with Emphasis on Fermented Foods. Foods 2024; 13:975. [PMID: 38611281 PMCID: PMC11012127 DOI: 10.3390/foods13070975] [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: 02/19/2024] [Revised: 03/13/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024] Open
Abstract
The term Conjugated Linoleic Acid (CLA) refers generically to a class of positional and geometric conjugated dienoic isomers of linoleic acid. Among the isomers of linoleic acid cis9, trans11-CLA (c9, t11-CLA) and trans10, cis12-CLA (t10, c12-CLA) are found to be biologically active isomers, and they occur naturally in milk, dairy products and meat from ruminants. In addition, some vegetables and some seafoods have also been reported to contain CLA. Although the CLA levels in these natural sources are insufficient to confer the essential health benefits, anti-carcinogenic or anti-cancer effects are of current interest. In the rumen, CLA is an intermediate of isomerization and the biohydrogenation process of linoleic acid to stearic acid conducted by ruminal microorganisms. In addition to rumen bacteria, some other bacteria, such as Propionibacterium, Bifidobacterium and some lactic acid bacteria (LAB) are also capable of producing CLA. In this regard, Lactiplantibacillus plantarum (formerly Lactobacillus plantarum) has demonstrated the ability to produce CLA isomers from linoleic acid by multiple enzymatic activities, including hydration, dehydration, and isomerization. L. plantarum is one of the most versatile species of LAB and the bacterium is widely used in the food industry as a microbial food culture. Thus, in this review we critically analyzed the literature produced in the last ten years with the aim to highlight the potentiality as well as the optimal conditions for CLA production by L. plantarum. Evidence was provided suggesting that the use of appropriate strains of L. plantarum, as a starter or additional culture in the production of some fermented foods, can be considered a critical factor in the design of new CLA-enriched functional foods.
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Affiliation(s)
- Massimo Iorizzo
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (M.I.); (F.L.); (G.P.)
| | - Catello Di Martino
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (M.I.); (F.L.); (G.P.)
| | - Francesco Letizia
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (M.I.); (F.L.); (G.P.)
| | | | - Gianluca Paventi
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Via De Sanctis, 86100 Campobasso, Italy; (M.I.); (F.L.); (G.P.)
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Roques S, Martinez-Fernandez G, Ramayo-Caldas Y, Popova M, Denman S, Meale SJ, Morgavi DP. Recent Advances in Enteric Methane Mitigation and the Long Road to Sustainable Ruminant Production. Annu Rev Anim Biosci 2024; 12:321-343. [PMID: 38079599 DOI: 10.1146/annurev-animal-021022-024931] [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] [Indexed: 02/16/2024]
Abstract
Mitigation of methane emission, a potent greenhouse gas, is a worldwide priority to limit global warming. A substantial part of anthropogenic methane is emitted by the livestock sector, as methane is a normal product of ruminant digestion. We present the latest developments and challenges ahead of the main efficient mitigation strategies of enteric methane production in ruminants. Numerous mitigation strategies have been developed in the last decades, from dietary manipulation and breeding to targeting of methanogens, the microbes that produce methane. The most recent advances focus on specific inhibition of key enzymes involved in methanogenesis. But these inhibitors, although efficient, are not affordable and not adapted to the extensive farming systems prevalent in low- and middle-income countries. Effective global mitigation of methane emissions from livestock should be based not only on scientific progress but also on the feasibility and accessibility of mitigation strategies.
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Affiliation(s)
- Simon Roques
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, Saint-Genes-Champanelle, France; , ,
| | | | - Yuliaxis Ramayo-Caldas
- Animal Breeding and Genetics Program, Institute of Agrifood Research and Technology (IRTA), Torre Marimon, Caldes de Montbui, Spain;
| | - Milka Popova
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, Saint-Genes-Champanelle, France; , ,
| | - Stuart Denman
- Agriculture and Food, CSIRO, St. Lucia, Queensland, Australia; ,
| | - Sarah J Meale
- School of Agriculture and Food Sustainability, Faculty of Science, University of Queensland, Gatton, Queensland, Australia;
| | - Diego P Morgavi
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, Saint-Genes-Champanelle, France; , ,
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Kokić B, Rakita S, Vujetić J. Impact of Using Oilseed Industry Byproducts Rich in Linoleic and Alpha-Linolenic Acid in Ruminant Nutrition on Milk Production and Milk Fatty Acid Profile. Animals (Basel) 2024; 14:539. [PMID: 38396507 PMCID: PMC10886360 DOI: 10.3390/ani14040539] [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: 11/20/2023] [Revised: 01/26/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Milk contains more than 400 different fatty acids, some of which play a positive role in promoting human health. The profile of fatty acids in milk can be enhanced by providing animals with plant-based resources that possess feeding characteristics adequate for favorable changes in the fatty acid composition and increasing healthy fatty acids in milk. This review summarizes the available 41 research studies on the utilization of oilseed industry byproducts rich in linoleic acid (hemp, pumpkin, sunflower) and alpha-linolenic acid (camelina and linseed) in dairy cow, sheep, and goat nutrition; their impact on milk production characteristics; and potential to improve fatty acid composition of milk through the diet. This review illustrates that incorporating byproducts into the diet for dairy ruminants generally does not have any adverse effects on both milk production and composition. A similar trend of improvement in milk fatty acid profile was observed when ruminants were fed diets supplemented with camelina, linseed, and sunflower byproducts, while no significant changes were noted with pumpkin byproducts. Hempseed byproducts showed potential for use as an alternative ingredient in dairy ruminant diets. Nevertheless, more in-depth research investigating the inclusion of selected byproducts is required before valid conclusions can be drawn regarding their value.
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Affiliation(s)
- Bojana Kokić
- Institute of Food Technology, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia; (S.R.); (J.V.)
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Salehian Z, Khalilvandi-Behroozyar H, Pirmohammadi R, Ahmadifard N, Almasi H, Ramin M. Investigating the effect of supplementing different levels of Isochrysis galbana on in vitro rumen fermentation parameters. Anim Sci J 2024; 95:e13929. [PMID: 38400743 DOI: 10.1111/asj.13929] [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: 05/02/2023] [Revised: 12/18/2023] [Accepted: 01/04/2024] [Indexed: 02/26/2024]
Abstract
This study aimed to investigate the effect of supplementing Isochrysis galbana (I. galbana) at levels of 0 (control), 1, 2, 3, 4, and 5 (g/100 g DM) of the diet on the gas production kinetics, methane production, rumen fermentation parameters, and relative microbial population in vitro. Supplementation of I. galbana at high level (5 g/100 g DM) caused a significant decrease in total gas production (p < 0.05). High supplementation rates (4 and 5 g/100 g DM) decreased CH4 production relative to the control by 18.4% and 23.2%, respectively. Although rumen ammonia nitrogen (N-NH3) and total volatile fatty acids (VFA) concentrations were affected by dietary treatments, but the VFA profile did not changed. The relative proportion of protozoa and methanogenic archaea as well as Anaerovibrio lipolytica, Prevotella spp., Ruminococcus flavefaciens, and Fibrobacter succinogenes were decreased significantly as a result of microalgae supplementation. However, the relative abundance of Ruminococcus albus, Butyrivibrio fibrisolvens and Selenomonas ruminantium were significantly increased (p < 0.05), related to the control group. As well, the pH was not affected by dietary treatments. It was concluded that I. galbana reduced in vitro CH4 production and methanogenic archaea that its worth to be investigated further in in vivo studies.
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Affiliation(s)
- Zahra Salehian
- Department of Animal Science, Faculty of Agriculture, Urmia University, Urmia, Iran
| | | | - Rasoul Pirmohammadi
- Department of Animal Science, Faculty of Agriculture, Urmia University, Urmia, Iran
| | - Nasrollah Ahmadifard
- Department of Fisheries, Faculty of Natural Resources, Urmia University, Urmia, Iran
- Artemia and Aquaculture Research Institute, Urmia University, Urmia, Iran
| | - Hadi Almasi
- Department of Food Science and Technology Engineering, Faculty of Agriculture, Urmia University, Urmia, Iran
| | - Mohammad Ramin
- Department of Applied Animal Science and Welfare, Swedish University of Agricultural Sciences, Umeå, Sweden
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Todaro M, Scatassa ML, Gannuscio R, Vazzana I, Mancuso I, Maniaci G, Laudicina A. Effect of lambing season on ewe’s colostrum composition. ITALIAN JOURNAL OF ANIMAL SCIENCE 2023. [DOI: 10.1080/1828051x.2022.2155587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Massimo Todaro
- Dipartimento Scienze Agrarie, Alimentari e Forestali (SAAF), University of Palermo, Palermo, Italy
| | | | - Riccardo Gannuscio
- Dipartimento Scienze Agrarie, Alimentari e Forestali (SAAF), University of Palermo, Palermo, Italy
| | - Irene Vazzana
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - Isabella Mancuso
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - Giuseppe Maniaci
- Dipartimento Scienze Agrarie, Alimentari e Forestali (SAAF), University of Palermo, Palermo, Italy
| | - Armando Laudicina
- Dipartimento Scienze Agrarie, Alimentari e Forestali (SAAF), University of Palermo, Palermo, Italy
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Mahouachi M, Mathlouthi N, Saïdi C, Atti N. The effect of increasing extruded linseed level on nutrient digestibility, growth, carcass characteristics, and non-carcass components of lambs from two genotypes. Trop Anim Health Prod 2023; 56:1. [PMID: 38047944 DOI: 10.1007/s11250-023-03846-3] [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: 02/27/2023] [Accepted: 11/21/2023] [Indexed: 12/05/2023]
Abstract
This research aimed to study the effect of extruded linseed level on digestibility, growth, carcass, and non-carcass components of two genotypes' lambs. For this, 36 lambs, with an average body weight (BW) of 21.3 ± 3.4 for Queue Fine de l'Ouest (QF) and 17.8 ± 2.9 kg for the cross QF × D'man (QF × D), were randomly divided into three groups of 12 lambs each (six per genotype) in a 12-week experiment. Sheep in each group received individually oat hay ad libitum and one of three concentrates containing 0% (control), 15% (L15), and 30% (L30) of extruded linseed on a dry matter basis. All concentrates were isocaloric and iso-nitrogenic. In the last 2 weeks, digestibility was measured, and then all lambs were slaughtered. The increasing level of extruded linseed did not affect hay and total dry matter (DM) intake as well as nutrient digestibility, except the neutral detergent fiber (NDF) digestibility which was significantly (P < 0.05) reduced by the diet treatment (66.4, 57.8, and 53.0% for C, L15, and L30, respectively). In addition, the different linseed levels resulted in similar average daily gain, final BW, carcass traits, and non-carcass components except the rumen and liver weights which were significantly (P < 0.05) reduced by the increasing linseed level. However, the addition of extruded linseed improved (P < 0.05) the weight of the heart. The carcass tissular composition was not affected by the dietary treatment guarding a similar proportion of muscle, bone, and fat. However, the growth performance and carcass traits were higher for cross QF × D than QF lambs. In addition, the carcasses were leaner (less fat and more muscle) for the cross genotype (P < 0.05) than the pure QF breed. It was concluded that extruded linseed can be used in lamb diet without adverse effects on growth performance and carcass components. Furthermore, the cross could be planned given it resulted in higher growth and better carcass composition.
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Affiliation(s)
- M Mahouachi
- Ecole Supérieure d'Agriculture du Kef, Le Kef, Laboratoire "Appui À La Durabilité Des Systèmes de Production Agricole Dans Les Régions du Nord-Ouest", University of Jendouba, Jendouba, Tunisia.
| | - N Mathlouthi
- Ecole Supérieure d'Agriculture du Kef, Le Kef, Laboratoire "Appui À La Durabilité Des Systèmes de Production Agricole Dans Les Régions du Nord-Ouest", University of Jendouba, Jendouba, Tunisia
| | - C Saïdi
- Office d'élevage Et Des Pâturages (OEP), Tunis, Tunisia
| | - N Atti
- INRA-Tunisie, Laboratoire de Productions Animales Et Fourragères, Rue HédiKarray, 2080 Ariana, University of Carthage, Tunis, Tunisia
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Baila C, Joy M, Bertolín JR, Alves S, Bessa R, Blanco M, Lobón S. Inclusion of Sainfoin in the Concentrate of Finishing Lambs: Fatty Acid Profiles of Rumen, Plasma, and Muscle. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:17947-17958. [PMID: 37955980 PMCID: PMC10682985 DOI: 10.1021/acs.jafc.3c05902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023]
Abstract
The effects of sainfoin inclusion (Onobrychis viciifolia) in the finishing concentrate for light lambs on the fatty acid (FA) composition of the ruminal digesta, plasma, and meat were evaluated. Twenty-six weaned male lambs were divided into three groups and fed individually ad libitum for 40 days with one of three concentrates differing in the level of sainfoin inclusion: 0% (0SF), 20% (20SF), and 40% (40SF). The rumen digesta showed an increase in C18:3 n-3 concentration and a decrease in C18:1 t10 concentration when sainfoin was included in the concentrate regardless of the level of inclusion. However, the highest C18:1 t11 and the lowest C18:2 n-6 proportions were obtained only in the 40SF rumen, showing a stronger t11 biohydrogenation pathway. In plasma, most effects were associated with changes in the levels of polyunsaturated FA (PUFA) n-3. The meat FA profile of 40SF lambs presented higher percentages of PUFA n-3 and CLA c9,t11 and a lower PUFA n-6/PUFA n-3 ratio compared with those from 0SF and 20SF diets because of the potentiation of the ruminal t11 pathway. Inclusions of 20 and 40% sainfoin both showed beneficial effects on meat quality; furthermore, these effects were most marked in the 40% sainfoin diet.
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Affiliation(s)
- Clàudia Baila
- Departamento
de Ciencia Animal, Centro de Investigación
y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, Zaragoza 50059, Spain
- Instituto
Agroalimentario de Aragón − IA2 (CITA-Universidad de
Zaragoza), Zaragoza 50059, Spain
| | - Margalida Joy
- Departamento
de Ciencia Animal, Centro de Investigación
y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, Zaragoza 50059, Spain
- Instituto
Agroalimentario de Aragón − IA2 (CITA-Universidad de
Zaragoza), Zaragoza 50059, Spain
| | - Juan Ramón Bertolín
- Departamento
de Ciencia Animal, Centro de Investigación
y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, Zaragoza 50059, Spain
- Instituto
Agroalimentario de Aragón − IA2 (CITA-Universidad de
Zaragoza), Zaragoza 50059, Spain
| | - Susana Alves
- CIISA,
Centro de Investigação Interdisciplinar em Sanidade
Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Lisboa 1300-477, Portugal
- Laboratório
Associado para Ciência Animal e Veterinária (AL4AnimalS), Avenida da Universidade Técnica, Lisboa 1300-477, Portugal
| | - Rui Bessa
- CIISA,
Centro de Investigação Interdisciplinar em Sanidade
Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Lisboa 1300-477, Portugal
- Laboratório
Associado para Ciência Animal e Veterinária (AL4AnimalS), Avenida da Universidade Técnica, Lisboa 1300-477, Portugal
| | - Mireia Blanco
- Departamento
de Ciencia Animal, Centro de Investigación
y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, Zaragoza 50059, Spain
- Instituto
Agroalimentario de Aragón − IA2 (CITA-Universidad de
Zaragoza), Zaragoza 50059, Spain
| | - Sandra Lobón
- Departamento
de Ciencia Animal, Centro de Investigación
y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, Zaragoza 50059, Spain
- Instituto
Agroalimentario de Aragón − IA2 (CITA-Universidad de
Zaragoza), Zaragoza 50059, Spain
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10
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Mitchell KE, Wenner BA, Lee C, Park T, Socha MT, Kleinschmit DH, Firkins JL. Supplementing branched-chain volatile fatty acids in dual-flow cultures varying in dietary forage and corn oil concentrations. I: Digestibility, microbial protein, and prokaryotic community structure. J Dairy Sci 2023; 106:7530-7547. [PMID: 37532627 DOI: 10.3168/jds.2022-23165] [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: 12/17/2022] [Accepted: 03/17/2023] [Indexed: 08/04/2023]
Abstract
Branched-chain amino acids are deaminated by amylolytic bacteria to branched-chain volatile fatty acids (BCVFA), which are growth factors for cellulolytic bacteria. Our objective was to determine the dietary conditions that would increase the uptake of BCVFA by rumen bacteria. We hypothesized that increased forage would increase cellulolytic bacterial abundance and incorporation of BCVFA into their structure. Supplemental polyunsaturated fatty acids, supplied via corn oil (CO), should inhibit cellulolytic bacteria growth, but we hypothesized that additional BCVFA would alleviate that inhibition. Further, supplemental BCVFA should increase neutral detergent fiber degradation and efficiency of bacterial protein synthesis more with the high forage and low polyunsaturated fatty acid dietary combination. The study was an incomplete block design with 8 dual-flow continuous cultures used in 4 periods with 8 treatments (n = 4 per treatment) arranged as a 2 × 2 × 2 factorial. The factors were: high forage (HF) or low forage (LF; 67 or 33%), without or with supplemental CO (3% dry matter), and without or with 2.15 mmol/d (which included 5 mg/d of 13C each of BCVFA isovalerate, isobutyrate, and 2-methylbutyrate). The isonitrogenous diets consisted of 33:67 alfalfa:orchardgrass pellet, and was replaced with a concentrate pellet that mainly consisted of ground corn, soybean meal, and soybean hulls for the LF diet. The main effect of supplementing BCVFA increased neutral detergent fiber (NDF) degradability by 7.6%, and CO increased NDF degradability only in LF diets. Supplemental BCVFA increased bacterial N by 1.5 g/kg organic matter truly degraded (6.6%) and 0.05 g/g truly degraded N (6.5%). The relative sequence abundance decreased with LF for Fibrobacter succinogenes, Ruminococcus flavefaciens, and genus Butyrivibrio compared with HF. Recovery of the total 13C dose in bacterial pellets decreased from 144 µg/ mg with HF to 98.9 µg/ mg with LF. Although isotope recovery in bacteria was greater with HF, BCVFA supplementation increased NDF degradability and efficiency of microbial protein synthesis under all dietary conditions. Therefore, supplemental BCVFA has potential to improve feed efficiency in dairy cows even with dietary conditions that might otherwise inhibit cellulolytic bacteria.
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Affiliation(s)
| | - B A Wenner
- Elanco Animal Health, Greenfield, IN 46140
| | - C Lee
- Department of Animal Sciences, The Ohio State University, Wooster, OH 44691
| | - T Park
- Department of Animal Science and Technology, Chung-Ang University, Anseong, Gyeonggi-do, Korea 17546
| | - M T Socha
- Zinpro Corporation, Eden Prairie, MN 55344
| | | | - J L Firkins
- Department of Animal Sciences, The Ohio State University, Columbus, OH 43035
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11
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Carbone V, Reilly K, Sang C, Schofield LR, Ronimus RS, Kelly WJ, Attwood GT, Palevich N. Crystal Structures of Bacterial Pectin Methylesterases Pme8A and PmeC2 from Rumen Butyrivibrio. Int J Mol Sci 2023; 24:13738. [PMID: 37762041 PMCID: PMC10530356 DOI: 10.3390/ijms241813738] [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: 08/14/2023] [Revised: 09/03/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Pectin is a complex polysaccharide that forms a substantial proportion of the plant's middle lamella of forage ingested by grazing ruminants. Methanol in the rumen is derived mainly from methoxy groups released from pectin by the action of pectin methylesterase (PME) and is subsequently used by rumen methylotrophic methanogens that reduce methanol to produce methane (CH4). Members of the genus Butyrivibrio are key pectin-degrading rumen bacteria that contribute to methanol formation and have important roles in fibre breakdown, protein digestion, and the biohydrogenation of fatty acids. Therefore, methanol release from pectin degradation in the rumen is a potential target for CH4 mitigation technologies. Here, we present the crystal structures of PMEs belonging to the carbohydrate esterase family 8 (CE8) from Butyrivibrio proteoclasticus and Butyrivibrio fibrisolvens, determined to a resolution of 2.30 Å. These enzymes, like other PMEs, are right-handed β-helical proteins with a well-defined catalytic site and reaction mechanisms previously defined in insect, plant, and other bacterial pectin methylesterases. Potential substrate binding domains are also defined for the enzymes.
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Affiliation(s)
| | | | | | | | | | | | | | - Nikola Palevich
- AgResearch Limited, Grasslands Research Centre, Palmerston North 4442, New Zealand; (V.C.); (K.R.); (C.S.); (L.R.S.); (R.S.R.); (W.J.K.); (G.T.A.)
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12
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Afarani OR, Zali A, Dehghan-Banadaki M, Kahyani A, Esfahani MA, Ahmadi F. Altering palmitic acid and stearic acid ratios in the diet of early-lactation Holsteins under heat stress: Feed intake, digestibility, feeding behavior, milk yield and composition, and plasma metabolites. J Dairy Sci 2023; 106:6171-6184. [PMID: 37500434 DOI: 10.3168/jds.2022-22934] [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: 10/23/2022] [Accepted: 03/17/2023] [Indexed: 07/29/2023]
Abstract
The objective of this study was to evaluate the effects of varying the ratio of dietary palmitic (C16:0; PA) and stearic (C18:0; SA) acids on nutrient digestibility, production, and blood metabolites of early-lactation Holsteins under mild-to-moderate heat stress. Eight multiparous Holsteins (body weight = 589 ± 45 kg; days in milk = 51 ± 8 d; milk production = 38.5 ± 2.4 kg/d; mean ± standard deviation) were used in a duplicated 4 × 4 Latin square design (21-d periods inclusive of 7-d data collection). The PA (88.9%)- and SA (88.5%)-enriched fat supplements, either individually or in combination, were added to diets at 2% of dry matter (DM) to formulate the following treatments: (1) 100PA:0SA (100% PA + 0% SA), (2) 66PA:34SA (66% PA + 34% SA), (3) 34PA:66SA (34% PA + 66% SA), and (4) 0PA:100SA (0% PA + 100% SA). Diets offered, in the form of total mixed rations, were formulated to be isonitrogenous (crude protein = 17.2% of DM) and isocaloric (net energy for lactation = 1.69 Mcal/kg DM), with a forage-to-concentrate ratio of 40:60. Ambient temperature-humidity index averaged 72.9 throughout the experiment, suggesting that cows were under mild-to-moderate heat stress. No differences in DM intake across treatments were detected (mean 23.5 ± 0.64 kg/d). Increasing the dietary proportion of SA resulted in a linear decrease in total-tract digestibility of total fatty acids, but organic matter, DM, neutral detergent fiber, and crude protein digestibilities were not different across treatments. Decreasing dietary PA-to-SA had no effect on the time spent eating (340 min/d), rumination (460 min/d), and chewing (808 min/d). As dietary PA-to-SA decreased, milk fat concentration and yield decreased linearly, resulting in a linear decrease of 3.5% fat-corrected milk production and milk fat-to-protein ratio. Feed efficiency expressed as kg 3.5% fat-corrected milk/kg DM intake decreased linearly with decreasing the proportion of PA-to-SA in the diet. Treatments had no effect on milk protein and lactose content. A linear increase in de novo and preformed fatty acids was identified as the ratio of PA to SA decreased, while PA and SA concentrations of milk fat decreased and increased linearly, respectively. A linear reduction in blood nonesterified fatty acids and glucose was detected as the ratio of PA to SA decreased. Insulin concentration increased linearly from 10.3 in 100PA:0SA to 13.1 µIU/mL in 0PA:100SA, whereas blood β-hydroxybutyric acid was not different across treatments. In conclusion, the heat-stressed Holsteins in early-lactation phase fed diets richer in PA versus SA produced greater fat-corrected milk and were more efficient in converting feed to fat-corrected milk.
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Affiliation(s)
- O Ramezani Afarani
- Department of Animal Science, Agricultural and Natural Resources College, University of Tehran, Karaj 77871-31587, Iran
| | - A Zali
- Department of Animal Science, Agricultural and Natural Resources College, University of Tehran, Karaj 77871-31587, Iran.
| | - M Dehghan-Banadaki
- Department of Animal Science, Agricultural and Natural Resources College, University of Tehran, Karaj 77871-31587, Iran
| | - A Kahyani
- Department of Animal Sciences, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - M Asemi Esfahani
- Department of Animal Science, Khuzestan Ramin Agriculture and Natural Resources, Molasani, Ahvaz 63417-73637, Iran
| | - F Ahmadi
- Department of Eco-friendly Livestock Science, Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354, South Korea
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13
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Cueva SF, Räisänen SE, Wasson DE, Lage CFA, Silvestre T, Kniffen DM, Fabin RA, Hristov AN. Production effects of extruded soybean meal replacing canola meal in the diet of lactating dairy cows. J Dairy Sci 2023; 106:6198-6215. [PMID: 37500428 DOI: 10.3168/jds.2022-22818] [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: 09/25/2022] [Accepted: 03/28/2023] [Indexed: 07/29/2023]
Abstract
This study investigated the effects of extruded soybean meal (ESBM) in comparison with canola meal (CM) fed on an equivalent crude protein (CP) basis on lactational performance and ruminal fermentation of dairy cows. Following a 2-wk covariate period, 48 Holstein cows averaging (±SD): 146 ± 46 d in milk (DIM) and 43 ± 7 kg/d milk yield (MY) were assigned 1 of 2 treatment diets in a randomized complete block design experiment, which included a 2-wk period for dietary treatment adaptation before experimental data were collected. Following the adaptation period, samples and experimental data were collected for a total of 7 wk. Cows were blocked based on parity, DIM, and MY. Treatment diets contained 15.8% CM (containing 41.2% CP) or 13.2% ESBM (with 48.7% CP) of total mixed ration dry matter (DM), with similar inclusion of other feed ingredients. The CM diet was supplemented with canola oil, whereas the ESBM diet was supplemented with soybean hulls to achieve similar ether extract and neutral detergent fiber contents between the diets. Urea and rumen-protected Met and Lys were added to both diets to meet or exceed cow recommendations. Whole-ruminal digesta samples were collected from 10 (5 per treatment) ruminally cannulated cows. Eight cannulated cows were removed during the last week of the experiment to participate in another study. Treatment did not affect DM intake and MY or energy-corrected MY of the cows. Energy-corrected MY, apart from experimental wk 5, was similar between treatments. Apart from experimental wk 3 and 7, milk fat concentration and yield were greater for cows fed ESBM compared with CM. In multiparous cows only, milk true protein yield was greater for cows fed CM compared with ESBM. Ruminal concentration of total volatile fatty acids and the molar proportion of acetate were greater for ESBM, and propionate and valerate were greater in cows fed CM. Acetate to propionate ratio was greater for cows fed ESBM versus CM diet. Compared with the CM diet, the ESBM diet increased plasma concentrations of Ile, Leu, and Phe but not the sum of essential AA. Apparent total-tract digestibility of acid detergent fiber was greater in cows fed ESBM relative to CM. In this experiment, CM and ESBM included on an equal CP basis in the diet of dairy cows, resulted in similar DM intake, MY, and feed efficiency.
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Affiliation(s)
- S F Cueva
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - S E Räisänen
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - D E Wasson
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - C F A Lage
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - T Silvestre
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - D M Kniffen
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - R A Fabin
- Fabin Bros. Farms, Indiana, PA 15701
| | - A N Hristov
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802.
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14
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Sun CS, Zhou LY, Liang QY, Wang XM, Lei YX, Xu ZX, Wang FQ, Chen GJ, Du ZJ, Mu DS. Short-chain fatty acids (SCFAs) as potential resuscitation factors that promote the isolation and culture of uncultured bacteria in marine sediments. MARINE LIFE SCIENCE & TECHNOLOGY 2023; 5:400-414. [PMID: 37637259 PMCID: PMC10449756 DOI: 10.1007/s42995-023-00187-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 06/20/2023] [Indexed: 08/29/2023]
Abstract
Many marine bacteria are difficult to culture because they are dormant, rare or found in low-abundances. Enrichment culturing has been widely tested as an important strategy to isolate rare or dormant microbes. However, many more mechanisms remain uncertain. Here, based on 16S rRNA gene high-throughput sequencing and metabolomics technology, it was found that the short-chain fatty acids (SCFAs) in metabolites were significantly correlated with uncultured bacterial groups during enrichment cultures. A pure culture analysis showed that the addition of SCFAs to media also resulted in high efficiency for the isolation of uncultured strains from marine sediments. As a result, 238 strains belonging to 10 phyla, 26 families and 82 species were successfully isolated. Some uncultured rare taxa within Chlorobi and Kiritimatiellaeota were successfully cultured. Amongst the newly isolated uncultured microbes, most genomes, e.g. bacteria, possess SCFA oxidative degradation genes, and these features might aid these microbes in better adapting to the culture media. A further resuscitation analysis of a viable but non-culturable (VBNC) Marinilabiliales strain verified that the addition of SCFAs could break the dormancy of Marinilabiliales in 5 days, and the growth curve test showed that the SCFAs could shorten the lag phase and increase the growth rate. Overall, this study provides new insights into SCFAs, which were first studied as resuscitation factors in uncultured marine bacteria. Thus, this study can help improve the utilisation and excavation of marine microbial resources, especially for the most-wanted or key players. Supplementary Information The online version contains supplementary material available at 10.1007/s42995-023-00187-w.
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Affiliation(s)
- Chun-Shui Sun
- Marine College, Shandong University, Weihai, 264209 China
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao, 266237 China
- Weihai Research Institute of Industrial Technology of Shandong University, Weihai, 264209 China
| | - Liu-Yan Zhou
- Institute of Microbiology Applications, Xinjiang Academy of Agricultural Sciences, Urumqi, 830000 China
| | - Qi-Yun Liang
- Marine College, Shandong University, Weihai, 264209 China
| | - Xiao-Man Wang
- Tancheng County Inspection and Testing Center, Tancheng, 276100 China
| | - Yi-Xuan Lei
- Marine College, Shandong University, Weihai, 264209 China
| | - Zhen-Xing Xu
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-Ku, Tokyo, 113-8657 Japan
| | - Feng-Qing Wang
- Max Planck Institute for Marine Microbiology, Celsiusstraße 1, 28359 Bremen, Germany
| | - Guan-Jun Chen
- Marine College, Shandong University, Weihai, 264209 China
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao, 266237 China
| | - Zong-Jun Du
- Marine College, Shandong University, Weihai, 264209 China
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao, 266237 China
- Weihai Research Institute of Industrial Technology of Shandong University, Weihai, 264209 China
| | - Da-Shuai Mu
- Marine College, Shandong University, Weihai, 264209 China
- State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao, 266237 China
- Weihai Research Institute of Industrial Technology of Shandong University, Weihai, 264209 China
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15
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Bhatt RS, Sarkar S, Soni L, Sahoo A. Effect of supplementation of roasted oilseeds and phytochemical-rich herbages on nutrient utilization, methane emission, and growth performance in finisher lambs. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:80094-80105. [PMID: 37289395 DOI: 10.1007/s11356-023-27968-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 05/24/2023] [Indexed: 06/09/2023]
Abstract
Ruminal methanogenesis is a major contributor to global environmental pollution in the agriculture sector. Dietary intervention modestly abates enteric methane emissions in ruminants. Therefore, the present experiment was conducted to evaluate the combined effect of dietary oilseeds and phytochemical-rich herbages on enteric methane emission, growth performance, and nutrient utilization in lambs. Forty-eight finisher Malpura lambs were divided into 4 groups (RSZ, RSP, RSLZ, and RSLP) of 12 each in a factorial design. Lambs were fed ad libitum concentrate formulated with roasted soybean (RS) or roasted soybean plus linseed (RSL) along with Ziziphus nummularia (Z) or Prosopis cineraria (P) leaves as roughage sources. Variation in the source of roughage significantly affected feed intake, and it was higher (P < 0.05) in lambs fed Prosopis cineraria leaves (RSP and RSLP). The average daily gain was improved (P < 0.05) by 28.6 and 25.0% in lambs fed Prosopis cineraria, i.e., RSP and RSLP respectively, than those fed Ziziphus nummularia leaves irrespective of concentrate diets. Overall, microbial nitrogen synthesis (MNS) was higher (P < 0.05) in lambs fed roasted soybean (RS) than roasted soybean plus linseed (RSL); however, combination of Prosopis cineraria with both the concentrate diets increased MNS, than the combination of roasted oilseeds and Ziziphus nummularia. No significant interaction was observed in the concentration and proportion of volatile fatty acids by feeding combination of roasted oilseed and tree leaves; however, the proportion of acetic and propionic acid was higher (P < 0.05) in the RSL group compared to RS. Methane emission per kg dry matter intake was reduced (P < 0.05) by feeding Prosopis cineraria leaves regardless of concentrate mixture. As a result, the loss of metabolizable energy through methane emission was lowered by 0.7 and 4.6% when Prosopis cineraria leaves were combined with roasted soybean (RSP) and roasted soybean plus linseed (RSLP), respectively. From the present findings, it can be concluded that combination of Prosopis cineraria leaves either with roasted soybean or roasted soybean plus linseed reduced enteric methane emissions more effectively than Ziziphus nummularia leaves, and the energy saved was transformed into higher body weight gain and improved feed conversion ratio.
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Affiliation(s)
- Randhir Singh Bhatt
- ICAR- Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, India.
| | - Srobana Sarkar
- ICAR- Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, India
| | - Lalit Soni
- ICAR- Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, India
| | - Artabandhu Sahoo
- ICAR- Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, India
- ICAR- National Research Centre On Camel, Bikaner, Rajasthan, India
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16
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Hu F, Piao M, Yang C, Diao Q, Tu Y. Effects of Coconut Oil and Palm Oil on Growth, Rumen Microbiota, and Fatty Acid Profile of Suckling Calves. Microorganisms 2023; 11:microorganisms11030655. [PMID: 36985230 PMCID: PMC10057803 DOI: 10.3390/microorganisms11030655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
This study aimed to evaluate the effects of coconut oil and palm oil in milk replacer (MR) on the growth performance, blood lipids, rumen fermentation, rumen microbiota, and fatty acid profile of hepatic and muscle of suckling calves. Thirty-six Holstein male calves were randomly assigned to three treatments. Three milk replacers containing different fat sources were as follows: control group (CON, milk fat), coconut oil group (CCO, coconut oil powder as fat), and palm oil group (PLO, palm oil powder as fat). Calves were weighed and blood sampled at 14, 28, 42, and 56 days old, respectively, and the feed intake and fecal score were recorded daily. Fat sources in milk replacers had no effects on body weight, ADG, DMI, fecal score, or days of abnormal fecal in suckling calves among the three groups, while the PLO group tended to decrease starter intake compared with the other groups. Serum concentrations of TC, HDL-C, LDL-C, and VLDL-C in the CCO group increased compared with those of the CON group. Palm oil also decreased the serum GLU concentration of calves but had no effects on serum lipids compared with milk fat. Coconut oil or palm oil had no effects on rumen fermentation, rumen chyme enzyme activity, rumen bacterial community richness and diversity, and dominant phyla and genera when compared with milk fat. However, compared with the CON group, the CCO group increased the proportion of MCFAs and n-6 PUFAs, and decreased the proportion of UFAs and MUFAs in liver tissue, while the PLO group increased the proportion of PUFAs and decreased the proportion of n-3 PUFAs in liver tissue. In addition, compared with the CON group, the CCO group increased the proportion of MCFAs, and decreased the proportion of UFAs and n-3 PUFAs in longissimus dorsi, while the PLO group increased the proportion of PUFAs and decreased the proportion of n-3 PUFAs in longissimus dorsi. In conclusion, compared with milk fat, coconut oil or palm oil in MR had no effects on growth performance, rumen fermentation, and rumen microflora but significantly increased serum lipids concentration and changed some proportions of MCFAs and PUFAs in liver and longissimus dorsi in suckling calves. These results indicate that coconut oil or palm oil as the sole fat source for MRs has no adverse effect on calf rumen fermentation and rumen microbiota but has a detrimental effect on n-3 PUFAs deposition in the liver and longissimus dorsi muscle.
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Affiliation(s)
- Fengming Hu
- Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing Municipal Commission of Science and Technology, Beijing 100081, China
| | - Minyu Piao
- Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing Municipal Commission of Science and Technology, Beijing 100081, China
| | - Chuntao Yang
- Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing Municipal Commission of Science and Technology, Beijing 100081, China
| | - Qiyu Diao
- Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing Municipal Commission of Science and Technology, Beijing 100081, China
| | - Yan Tu
- Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing Municipal Commission of Science and Technology, Beijing 100081, China
- Correspondence:
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17
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Lamontagne J, Rico DE, Perdomo CM, Ronholm J, Gervais R, Chouinard PY. Effects of direct-fed Bacillus subtilis and Bacillus licheniformis on production performance and milk fatty acid profile in dairy cows. J Dairy Sci 2023; 106:1815-1825. [PMID: 36710185 DOI: 10.3168/jds.2022-22564] [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: 07/22/2022] [Accepted: 10/10/2022] [Indexed: 01/30/2023]
Abstract
The aim of the study was to determine the effect of a Bacillus-based direct-fed microbial on performance of mid-lactating Holstein dairy cows and on their milk fatty acid composition. Six multiparous cows fitted with a rumen cannula were used in a randomized replicated crossover design. Cows received 200 g/d of either whey powder as a control or BioPlus 2B (Chr. Hansen), a commercial direct-fed microbial providing Bacillus subtilis and Bacillus licheniformis, representing a daily dose of 6.4 × 1011 cfu, and using whey powder as a carrier. The 2 experimental periods lasted 14 d and were separated by a 7-d washout interval. Samples were collected on d 0, 13, and 14 of each period. Data from d 0 were used as covariate. Significance was declared at P ≤ 0.05 and tendency at 0.05 <P ≤ 0.10. There was a 10-fold increase in the relative concentration of bacteria from the Bacillus subtilis group in the rumen when feeding direct-fed Bacillus compared with control. Treatment did not affect ruminal pH, NH3-N, or concentrations of acetate, propionate, and butyrate. However, direct-fed Bacillus increased ruminal concentrations of isovalerate and isobutyrate (tendency). Treatments did not affect lactation performance. Supplying direct-fed Bacillus enhanced milk relative concentration of anteiso 13:0 by 27.3% and of anteiso 15:0 by 6.5% and tended to increase concentrations of iso 14:0 (+41.8%) relative to control. When expressed on a yield basis, direct-fed Bacillus increased the secretion of anteiso 13:0 and decreased that of 11:0, 15:0, 17:0 (tendency), and cis-9 17:1. These variations, although limited in magnitude, indicate that milk branched-chain fatty acid composition is sensitive to ruminal microbiota modifications without changes in chemical composition of the diet.
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Affiliation(s)
- J Lamontagne
- Département des Sciences Animales, Université Laval, Québec, QC, Canada G1V 0A6
| | - D E Rico
- Département des Sciences Animales, Université Laval, Québec, QC, Canada G1V 0A6; Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, Canada G0A 1S0
| | - C M Perdomo
- Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, Canada G0A 1S0
| | - J Ronholm
- Department of Food Science and Agricultural Chemistry, McGill University, Sainte-Anne-de-Bellevue, QC, Canada H9X 3V9; Department of Animal Science, McGill University, Sainte-Anne-de-Bellevue, QC, Canada H9X 3V9
| | - R Gervais
- Département des Sciences Animales, Université Laval, Québec, QC, Canada G1V 0A6
| | - P Y Chouinard
- Département des Sciences Animales, Université Laval, Québec, QC, Canada G1V 0A6.
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18
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Li Y, Gao J, Lv J, Lambo MT, Wang Y, Wang L, Zhang Y. Replacing soybean meal with high-oil pumpkin seed cake in the diet of lactating Holstein dairy cows modulated rumen bacteria and milk fatty acid profile. J Dairy Sci 2023; 106:1803-1814. [PMID: 36710188 DOI: 10.3168/jds.2022-22503] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 10/22/2022] [Indexed: 01/30/2023]
Abstract
This research aimed to investigate the effects of replacing soybean meal with high-oil pumpkin seed cake (HOPSC) on ruminal fermentation, lactation performance, milk fatty acid, and ruminal bacterial community in Chinese dairy cows. Six multiparous Chinese Holstein cows at 105.50 ± 5.24 d in milk (mean ± standard deviation) and 36.63 ± 0.74 kg/d of milk yield were randomly allocated, in a 3 × 3 Latin square design, to 3 dietary treatments in which HOPSC replaced soybean meal. Group 1 was the basal diet with no HOPSC (0HOPSC); group 2 was a 50% replacement of soybean meal with HOPSC and dried distillers grains with solubles (DDGS; 50HOPSC), and group 3 was a 100% replacement of soybean meal with HOPSC and DDGS (100HOPSC). We found no difference in the quantity of milk produced or milk composition among the 3 treatment groups. Feed efficiency tended to increase linearly as more HOPSC was consumed. In addition, rumen fermentation was not influenced when soybean meal was replaced with HOPSC and DDGS; the relative abundance of ruminal bacteria at the phylum and genus levels was altered. We also observed that as the level of HOPSC supplementation increased, the relative abundance of Firmicutes and Tenericutes linearly increased, whereas that of Bacteroidetes decreased. However, with increasing HOPSC supplementation, the relative abundance of Ruminococcus decreased linearly at the genus level in the rumen, and the relative abundance of Prevotella showed a linear downward tendency. Changes in dietary composition and rumen bacteria had no significant effect on the fatty acid composition of milk. In conclusion, our results indicated that replacing soybean meal with a combination of HOPSC and DDGS can meet the nutritional needs of high-yielding dairy cows without adversely affecting milk yield and quality; however, the composition of rumen bacteria could be modified. Further study is required to investigate the effects of long-term feeding of HOPSC on rumen fermentation and performance of dairy cows.
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Affiliation(s)
- Yang Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jianxu Gao
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jingyi Lv
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Modinat Tolani Lambo
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yanfei Wang
- Branch of Animal Husbandry and Veterinary of Heilongjiang Academy of Agricultural Sciences, Qiqihar 161000, China
| | - Liang Wang
- Research Institute of Applied Technologies, Honghe University, Mengzi 661199, China.
| | - Yonggen Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China.
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Gordiano L, Ferreira F, Ribeiro CDM, de Carvalho G, Silva F, de Araújo M, Alba H, e Silva R, Azevedo J, Freitas Jr JED. Association between chitosan and unsaturated fatty acids supplementation on ruminal fermentation, digestive metabolism, and ruminal kinetics in beef heifers. Livest Sci 2023. [DOI: 10.1016/j.livsci.2023.105216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Binyameen M, Khan MIR, Haque MNU, Tausif MA, Kok A, van Knegsel ATM, Tahir MZ. Effect of prepartum dietary energy sources on productive and reproductive performance in Nili Ravi buffaloes. Trop Anim Health Prod 2023; 55:88. [PMID: 36808487 DOI: 10.1007/s11250-023-03510-w] [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: 07/11/2022] [Accepted: 02/11/2023] [Indexed: 02/21/2023]
Abstract
Feeding of dietary energy sources has been extensively studied in dairy cows but not well described in dairy buffaloes. The objective of this study was to evaluate the effect of prepartum dietary energy sources on productive and reproductive performance in Nili Ravi buffaloes (n = 21). The buffaloes were offered isocaloric (1.55 Mcal/kg DM NEL (net energy for lactation)) glucogenic (GD), lipogenic (LD), and mixed diet (MD) during 63 days prepartum and maintained (1.27 Mcal/kg DM NEL) at lactation diet (LCD) during 14 weeks postpartum. Effects of dietary energy sources and week on animals were analyzed with the mixed model. The DMI, BCS, and body weights remained similar during the pre- and postpartum periods. The prepartum diets did not affect birth weight, blood metabolites, milk yield, and composition. The GD tended to early uterine involution, more follicle numbers, and early follicle formation. The prepartum feeding of dietary energy source had a similar effect on first estrus expression, days open, conception rate, pregnancy rate, and calving interval. So, it could be concluded that prepartum feeding of an isocaloric dietary energy source had a similar effect on the performance of buffaloes.
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Affiliation(s)
- M Binyameen
- Buffalo Research Institute, Pattoki, District Kasur, 55300, Pakistan
| | - M I R Khan
- Department of Theriogenology, University of Veterinary and Animal Sciences, Lahore, 54000, Pakistan
| | - M N U Haque
- Department of Animal Nutrition, University of Veterinary and Animal Sciences, Lahore, 54000, Pakistan
| | - M A Tausif
- Livestock Experiment Station Bhunikey, Pattoki, District Kasur, 55300, Pakistan
| | - A Kok
- Adaptation Physiology Group, Wageningen University and Research, 6700, AH, Wageningen, The Netherlands
| | - A T M van Knegsel
- Adaptation Physiology Group, Wageningen University and Research, 6700, AH, Wageningen, The Netherlands
| | - M Z Tahir
- Department of Theriogenology, University of Veterinary and Animal Sciences, Lahore, 54000, Pakistan.
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21
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Effect of Heat Processing of Rubber Seed Kernel on In Vitro Rumen Biohydrogenation of Fatty Acids and Fermentation. FERMENTATION 2023. [DOI: 10.3390/fermentation9020143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The aim of this study was to assess the effect of rubber seed kernel heat processing on in vitro rumen biohydrogenation of fatty acids and fermentation. The experiment was conducted with a completely randomized design (CRD). The inclusion of RSK at 0% (CON) and 20% with different processing methods as follows: Raw rubber seed kernel (RAWR), roasted rubber seed kernel (ROR), microwave irradiated rubber seed kernel (MIR), and rubber seed kernel were heated in a hot air oven (RHO) in total mixed ration (TMR) diets. The hydrogen cyanide (HCN) was reduced using RSK heat methods. The heat processing of RSK had no effect on cumulative gas production at 96 h, the gas production from the insoluble fraction (b), or degradability (p > 0.05), whereas it reduced the gas production from the immediately soluble fraction (a) and constant rate of gas production for the insoluble fraction (c) (p < 0.01). The RSK processing methods did not influence ruminal pH, total volatile fatty acid (VFA), or VFA proportions (p > 0.05). RSK heat processing reduced ammonia-nitrogen (NH3-N) (p < 0.04) while increasing the bacterial population (p < 0.02). Heat treatment had no effect on linoleic acid (C18:2 cis-9,12 + tran-9,12) (p > 0.05). The RHO increases oleic acid (C18:1 cis-9 + tran-9) and linolenic acid (C18:3 cis-9,12,15) concentrations (p < 0.01). In conclusion, RHO reduced rumen biohydrogenation of unsaturated fatty acids (UFA), especially C18:3 and C18:1.
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22
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Wang Z, Liang Y, Lu J, Wei Z, Bao Y, Yao X, Fan Y, Wang F, Wang D, Zhang Y. Dietary spirulina supplementation modifies rumen development, fermentation and bacteria composition in Hu sheep when consuming high-fat dietary. Front Vet Sci 2023; 10:1001621. [PMID: 36798143 PMCID: PMC9926970 DOI: 10.3389/fvets.2023.1001621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 01/05/2023] [Indexed: 02/01/2023] Open
Abstract
Introduction This study aims to investigate the long-term effects of spirulina supplementation in a high-fat diet (HFD) on rumen morphology, rumen fermentation, and the composition of rumen microbiota in lambs. Spirulina is a blue-green microalgae that has been shown to have high nutritional value for livestock. Methods Fifty-four lambs were randomly divided into three groups: a normal chow diet (NCD) group, a high-fat diet (HFD) group, and a high-fat diet supplemented with 3% spirulina (HFD+S) group. Rumen morphology, rumen fermentation, and rumen microbiota were analyzed at the end of the study. Results Spirulina supplementation improved the concentration of volatile fatty acids and rumen papilla length. Additionally, there was a tendency for an increase in rumen weight and an upregulation of the genes Claudin-1, Claudin-4, and Occludin in the HFD+S group. Pyrosequencing of the 16S ribosomal RNA gene also showed that spirulina supplementation significantly changed the rumen microbiota composition in the HFD group, with a decrease in richness and diversity. Specifically, the relative abundance of Prevotella 9 and Megasphaera was significantly increased in the HFD group compared to the NCD group, while spirulina supplementation reversed these changes. Discussion This study suggests that 3% spirulina supplementation can improve rumen development and fermentation, and effectively relieve rumen microbe disorders in lambs caused by a high-fat diet. However, further research is needed to confirm the findings and to examine the long-term effects of spirulina supplementation in different types of livestock and under different dietary conditions.
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Affiliation(s)
- Zhibo Wang
- Institute of Goats and Sheep Science, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Yaxu Liang
- Institute of Goats and Sheep Science, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Jiawei Lu
- Institute of Goats and Sheep Science, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Zongyou Wei
- Agricultural and Rural Science & Technology Service Center, and Enterprise Graduate Workstation, Taicang, China
| | - Yongjin Bao
- Institute of Goats and Sheep Science, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Xiaolei Yao
- Institute of Goats and Sheep Science, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Yixuan Fan
- Institute of Goats and Sheep Science, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Feng Wang
- Institute of Goats and Sheep Science, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Daxiang Wang
- Jiangsu Qianbao Animal Husbandry Co., Ltd, Yancheng, Jiangsu, China
| | - Yanli Zhang
- Institute of Goats and Sheep Science, Nanjing Agricultural University, Nanjing, Jiangsu, China,*Correspondence: Yanli Zhang ✉
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Christodoulou C, Mavrommatis A, Loukovitis D, Symeon G, Dotas V, Kotsampasi B, Tsiplakou E. Inclusion of Camelina sativa Seeds in Ewes' Diet Modifies Rumen Microbiota. Animals (Basel) 2023; 13:ani13030377. [PMID: 36766266 PMCID: PMC9913825 DOI: 10.3390/ani13030377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/30/2022] [Accepted: 01/17/2023] [Indexed: 01/24/2023] Open
Abstract
Supplementing ruminant diets with unconventional feedstuffs (Camelina sativa seeds; CS) rich in bioactive molecules such as polyunsaturated fatty acids, may prove a potential eco-efficient strategy to manipulate rumen microbiome towards efficiency. Forty-eight ewes were divided into four homogenous groups (n = 12) according to their fat-corrected milk yield (6%), body weight, and age, and were fed individually with concentrate, alfalfa hay, and wheat straw. The concentrate of the control group (CON) had no CS inclusion, whereas the treated groups were supplemented with CS at 60 (CS6), 110 (CS11), and 160 (CS16) g·kg-1 of concentrate, respectively. Rumen digesta was collected using an esophageal tube and then liquid and solid particles were separated using cheesecloth layers. An initial bacteriome screening using next-generation sequencing of 16S was followed by specific microbes targeting with a RT-qPCR platform, which unveiled the basic changes of the rumen microbiota under CS supplementation levels. The relative abundances of Archaea and methanogens were significantly reduced in the solid particles of CS11 and CS16. Furthermore, the relative abundance of Protozoa was significantly increased in both rumen fluid and solid particles of the CS6, whereas that of Fungi was significantly reduced in the rumen particle of the CS16. In rumen fluid, the relative abundance of Fibrobacter succinogens and Ruminobacter amylophilus were significantly increased in the CS6 and CS11, respectively. In the solid particles of the CS11, the relative abundance of Ruminococcus flavefaciens was significantly reduced, whereas those of Butyrivibrio proteoclasticus and Ruminobacter amylophilus were significantly increased. Additionally, the relative abundance of Selenomonas ruminantium was significantly increased in both CS11 and CS16. Consequently, the highest CS content in the concentrate reduced the relative abundance of methanogens without inducing radical changes in rumen microorganisms that could impair ruminal fermentation and ewes' performance.
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Affiliation(s)
- Christos Christodoulou
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, School of Animal Biosciences, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
| | - Alexandros Mavrommatis
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, School of Animal Biosciences, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
| | - Dimitris Loukovitis
- Department of Animal Production, Fisheries and Aquaculture, School of Agricultural Sciences, University of Patras, 30200 Messolonghi, Greece
| | - George Symeon
- Research Institute of Animal Science, ELGO ‘DIMITRA’, Paralimni Giannitsa, 58100 Pella, Greece
| | - Vassilios Dotas
- Department of Animal Production, Faculty of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Basiliki Kotsampasi
- Research Institute of Animal Science, ELGO ‘DIMITRA’, Paralimni Giannitsa, 58100 Pella, Greece
| | - Eleni Tsiplakou
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, School of Animal Biosciences, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
- Correspondence:
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Enjalbert F, Zened A, Cauquil L, Meynadier A. Integrating data from spontaneous and induced trans-10 shift of ruminal biohydrogenation reveals discriminant bacterial community changes at the OTU level. Front Microbiol 2023; 13:1012341. [PMID: 36687628 PMCID: PMC9853040 DOI: 10.3389/fmicb.2022.1012341] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 12/16/2022] [Indexed: 01/09/2023] Open
Abstract
Introduction Microbial digestion is of key importance for ruminants, and disturbances can affect efficiency and quality of products for human consumers. Ruminal biohydrogenation of dietary unsaturated fatty acids leads to a wide variety of specific fatty acids. Some dietary conditions can affect the pathways of this transformation, leading to trans-10 fatty acids rather than the more usual trans-11 fatty acids, this change resulting in milk fat depression in dairy cows. Materials and methods We combined data from an induced and spontaneous trans-10 shift of ruminal biohydrogenation, providing new insight on bacterial changes at different taxonomic levels. A trans-10 shift was induced using dietary addition of concentrate and/or unsaturated fat, and the spontaneous milk fat depression was observed in a commercial dairy herd. Results and discussion Most changes of microbial community related to bacteria that are not known to be involved in the biohydrogenation process, suggesting that the trans-10 shift may represent the biochemical marker of a wide change of bacterial community. At OTU level, sparse discriminant analysis revealed strong associations between this change of biohydrogenation pathway and some taxa, especially three taxa belonging to [Eubacterium] coprostanoligenes group, Muribaculaceae and Lachnospiraceae NK3A20 group, that could both be microbial markers of this disturbance and candidates for studies relative to their ability to produce trans-10 fatty acids.
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25
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Kargar S, Taasoli G, Akhlaghi A, Zamiri M. In vitro rumen fermentation pattern: insights from concentrate level and plant oil supplement. Arch Anim Breed 2023; 66:1-8. [PMID: 36687214 PMCID: PMC9850243 DOI: 10.5194/aab-66-1-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 12/06/2022] [Indexed: 01/06/2023] Open
Abstract
The addition of oil to ruminant diets and oil fatty acid profiles are major factors that negatively affect ruminal fermentation, while increased forage level attenuates the adverse effects. The aim of this study was to determine the effects of oil source supplementation and concentrate level in the diet on in vitro ruminal fermentation kinetics. Pomegranate, garlic or sunflower oils were added (2 % dry matter (DM) basis) to the diets containing 40 % or 60 % (DM basis) concentrates. In vitro gas production parameters, pH, ammonia nitrogen concentration and total protozoa count were measured. Additionally, metabolizable energy (ME), short-chain fatty acid (SCFA) production and organic matter digestibility (OMD) were determined. Rumen fermentation parameters and protozoal population counts were analyzed as a completely randomized design with a 2 × 3 factorial arrangement of treatments, and gas production parameters were analyzed as a 2 × 3 factorial arrangement in a randomized block design. The results showed that the HCPO (high (60 %) concentrate diet containing pomegranate oil) and HCSO (high (60 %) concentrate diet containing sunflower oil) diets produced the highest (5.40 mg dL - 1 ) and lowest (2.61 mg dL - 1 ) concentrations of NH 3 -N ( p > 0.01 ), respectively. Total protozoa count tended ( p = 0.07 ) to be highest in HCPO and lowest in HCSO diets (5.10 vs. 4.81 Log 10 g - 1 digesta). No interaction effects between the concentrate level and oil source were found on in vitro gas production parameters, pH, estimated ME, SCFA and OMD, and Entodinium and Diplodinium populations ( p > 0.05 ). It is concluded that dietary supplementation with highly unsaturated oil from three different sources at 2 % level (DM basis) had no apparent effects on in vitro ruminal fermentation patterns.
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Affiliation(s)
- Shahryar Kargar
- Department of Animal Science, School of Agriculture, Shiraz University,
Shiraz 71441–65186, Iran
| | - Golnaz Taasoli
- Department of Animal Science, Chaharmahal and Bakhtiari Agricultural and
Natural Resources Research and Education Center, Agricultural Research,
Education and Extension Organization (AREEO), Shahrekord 88156–89554, Iran
| | - Amir Akhlaghi
- Department of Animal Science, School of Agriculture, Shiraz University,
Shiraz 71441–65186, Iran
| | - Mohammad Javad Zamiri
- Department of Animal Science, School of Agriculture, Shiraz University,
Shiraz 71441–65186, Iran
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Almeida KV, Resende TL, Silva LHP, Dorich CD, Pereira ABD, Soder KJ, Brito AF. Feeding incremental amounts of ground flaxseed: effects on diversity and relative abundance of ruminal microbiota and enteric methane emissions in lactating dairy cows. Transl Anim Sci 2023; 7:txad050. [PMID: 37334244 PMCID: PMC10276549 DOI: 10.1093/tas/txad050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/16/2023] [Indexed: 06/20/2023] Open
Abstract
We evaluated the effects of incremental amounts of ground flaxseed (GFX) on diversity and relative abundance of ruminal microbiota taxa, enteric methane (CH4) emissions, and urinary excretion of purine derivatives (PD) in lactating dairy cows in a replicated 4 × 4 Latin square design. Twenty mid-lactation Jersey cows were used in the study. Of these 20 cows, 12 were used for ruminal sampling, 16 for enteric CH4 measurements, and all for spot urine collection. Each period lasted 21 d with 14 d for diet adaptation and 7 d for data and sample collection. Diets were formulated by replacing corn meal and soybean meal with 0%, 5%, 10%, and 15% of GFX in the diet's dry matter. Ruminal fluid samples obtained via stomach tubing were used for DNA extraction. Enteric CH4 production was measured using the sulfur hexafluoride tracer technique. Diets had no effect on ruminal microbiota diversity. Similarly, the relative abundance of ruminal archaea genera was not affected by diets. In contrast, GFX decreased or increased linearly the relative abundance of Firmicutes (P < 0.01) and Bacteroidetes (P < 0.01), respectively. The relative abundance of the ruminal bacteria Ruminococcus (P < 0.01) and Clostridium (P < 0.01) decreased linearly, and that of Prevotella (P < 0.01) and Pseudobutyrivibrio (P < 0.01) increased linearly with feeding GFX. A tendency for a linear reduction (P = 0.055) in enteric CH4 production (from 304 to 256 g/d) was observed in cows fed increasing amounts of GFX. However, neither CH4 yield nor CH4 intensity was affected by treatments. Diets had no effect on the urinary excretion of uric acid, allantoin, and total PD. Overall, feeding GFX decreased linearly the relative abundance of the ruminal bacterial genera Ruminococcus and Clostridium and enteric CH4 production, but no change was seen for CH4 yield and CH4 intensity, or urinary excretion of total PD, suggesting no detrimental effect of GFX on microbial protein synthesis in the rumen.
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Affiliation(s)
- Kleves V Almeida
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham, NH 03824, USA
| | - Tales L Resende
- Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, MG 30161, Brazil
| | - Luiz Henrique P Silva
- Department of Agriculture and Food Science, Western Kentucky University, Bowling Green, KY 42101, USA
| | - Christopher D Dorich
- Institute for the Study of Earth, Oceans, and Space and Department of Earth Sciences, University of New Hampshire, Durham, NH 03824, USA
| | - Andre B D Pereira
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham, NH 03824, USA
| | - Kathy J Soder
- Pasture Systems and Watershed Management Research Unit, USDA-Agricultural Research Service, University Park, PA 16802, USA
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Correddu F, Carta S, Mazza A, Nudda A, Rassu SPG. Effect of extruded linseed on sarda donkey milk quality. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2104176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Fabio Correddu
- Dipartimento di Agraria, Sezione di Scienze Zootecniche, University of Sassari, Sassari, Italy
| | - Silvia Carta
- Dipartimento di Agraria, Sezione di Scienze Zootecniche, University of Sassari, Sassari, Italy
| | - Antonio Mazza
- Dipartimento di Agraria, Sezione di Scienze Zootecniche, University of Sassari, Sassari, Italy
| | - Anna Nudda
- Dipartimento di Agraria, Sezione di Scienze Zootecniche, University of Sassari, Sassari, Italy
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Wu Q, Chen H, Zhang F, Wang W, Xiong F, Liu Y, Lv L, Li W, Bo Y, Yang H. Cysteamine Supplementation In Vitro Remarkably Promoted Rumen Fermentation Efficiency towards Propionate Production via Prevotella Enrichment and Enhancing Antioxidant Capacity. Antioxidants (Basel) 2022; 11:antiox11112233. [PMID: 36421419 PMCID: PMC9686782 DOI: 10.3390/antiox11112233] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/04/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
Cysteamine (CS) is a vital antioxidant product and nutritional regulator that improves the productive performance of animals. A 2 × 4 factorial in vitro experiment was performed to determine the effect of the CS supplementation levels of 0, 20, 40, and 60 mg/g, based on substrate weight, on the ruminal fermentation, antioxidant capacity, and microorganisms of a high-forage substrate (HF, forage:corn meal = 7:3) in the Statistical Analysis System Institute. After 48 h of incubation, the in vitro dry matter disappearance and gas production in the LF group were higher when compared with a low-forage substrate (LF, forge hay:corn meal = 3:7), which was analyzed via the use of the MIXED procedure of the HF group, and these increased linearly with the increasing CS supplementation (p < 0.01). With regard to rumen fermentation, the pH and acetate were lower in the LF group compared to the HF group (p < 0.01). However, the ammonia N, microbial crude protein, total volatile fatty acids (VFA), and propionate in the LF group were greater than those in the HF group (p < 0.05). With the CS supplementation increasing, the pH, ammonia N, acetate, and A:P decreased linearly, while the microbial crude protein, total VFA, and propionate increased linearly (p < 0.01). Greater antioxidant capacity was observed in the LF group, and the increasing CS supplementation linearly increased the superoxide dismutase, catalase, glutathione peroxidase, total antioxidant capacity, glutathione, and glutathione reductase, while it decreased the malondialdehyde (p < 0.05). No difference occurred in the ruminal bacteria alpha diversity with the increasing CS supplementation, but it was higher in the LF group than in the HF group (p < 0.01). Based on the rumen bacterial community, a higher proportion of Bacteroidota, instead of Firmicutes, was in the LF group than in the HF group. Furthermore, increasing the CS supplementation linearly increased the relative abundance of Prevotella, norank_f_F082, and Prevotellaceae_UCG-001 under the two substrates (p < 0.05). Prevotella, norank_f_F082, and Prevotellaceae_UCG-001 were positively correlated with gas production, rumen fermentation, and antioxidant capacity in a Spearman correlation analysis (r > 0.31, p < 0.05). Overall, a CS supplementation of not less than 20 mg/g based on substrate weight enhanced the rumen fermentation and rumen antioxidant capacity of the fermentation system, and it guided the rumen fermentation towards glucogenic propionate by enriching the Prevotella in Bacteroidetes.
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Affiliation(s)
- Qichao Wu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
| | - Hewei Chen
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
| | - Fan Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
| | - Weikang Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
| | - Fengliang Xiong
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
| | - Yingyi Liu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
| | - Liangkang Lv
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
| | - Wenjuan Li
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
| | - Yukun Bo
- Animal Husbandry Technology Promotion Institution of Zhangjiakou, Zhangjiakou 075000, China
| | - Hongjian Yang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agri-Cultural University, Beijing 100193, China
- Correspondence:
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Sun X, Wang Y, Ma X, Li S, Wang W. Producing natural functional and low-carbon milk by regulating the diet of the cattle-The fatty acid associated rumen fermentation, biohydrogenation, and microorganism response. Front Nutr 2022; 9:955846. [PMID: 36337624 PMCID: PMC9626764 DOI: 10.3389/fnut.2022.955846] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 10/03/2022] [Indexed: 03/05/2024] Open
Abstract
Conjugated linoleic acid (CLA) has drawn significant attention in the last two decades for its various potent beneficial effects on human health, such as anticarcinogenic and antidiabetic properties. CLA could be generally found in ruminant products, such as milk. The amount of CLA in ruminant products mainly depends on the diet of the animals. In general, the fat content in the ruminant diet is low, and dietary fat supplementation can be provided to improve rumen activity and the fatty acid (FA) profile of meat and milk. Especially, dietary 18-carbon polyunsaturated FA (C18 PUFA), the dominant fat source for ruminants, can modify the milk FA profile and other components by regulating the ruminal microbial ecosystem. In particular, it can improve the CLA in milk, intensify the competition for metabolic hydrogen for propionate producing pathways and decrease methane formation in the rumen. Therefore, lipid supplementation appears to be a promising strategy to naturally increase the additional nutritional value of milk and contribute to lower methane emissions. Meanwhile, it is equally important to reveal the effects of dietary fat supplementation on rumen fermentation, biohydrogenation (BH) process, feed digestion, and microorganisms. Moreover, several bacterial species and strains have been considered to be affected by C18 PUFA or being involved in the process of lipolysis, BH, CLA, or methane emissions. However, no review so far has thoroughly summarized the effects of C18 PUFA supplementation on milk CLA concentration and methane emission from dairy cows and meanwhile taken into consideration the processes such as the microorganisms, digestibility, rumen fermentation, and BH of dairy cattle. Therefore, this review aims to provide an overview of existing knowledge of how dietary fat affects rumen microbiota and several metabolic processes, such as fermentation and BH, and therefore contributes to functional and low-carbon milk production.
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Affiliation(s)
- Xiaoge Sun
- 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
| | - Yue Wang
- Animal Production Systems Group, Wageningen University & Research, Wageningen, Netherlands
| | - Xiaoyan Ma
- 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
| | - Shengli Li
- 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
| | - Wei Wang
- 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
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Martínez-Álvaro M, Mattock J, Auffret M, Weng Z, Duthie CA, Dewhurst RJ, Cleveland MA, Watson M, Roehe R. Microbiome-driven breeding strategy potentially improves beef fatty acid profile benefiting human health and reduces methane emissions. MICROBIOME 2022; 10:166. [PMID: 36199148 PMCID: PMC9533493 DOI: 10.1186/s40168-022-01352-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 08/13/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Healthier ruminant products can be achieved by adequate manipulation of the rumen microbiota to increase the flux of beneficial fatty acids reaching host tissues. Genomic selection to modify the microbiome function provides a permanent and accumulative solution, which may have also favourable consequences in other traits of interest (e.g. methane emissions). Possibly due to a lack of data, this strategy has never been explored. RESULTS This study provides a comprehensive identification of ruminal microbial mechanisms under host genomic influence that directly or indirectly affect the content of unsaturated fatty acids in beef associated with human dietary health benefits C18:3n-3, C20:5n-3, C22:5n-3, C22:6n-3 or cis-9, trans-11 C18:2 and trans-11 C18:1 in relation to hypercholesterolemic saturated fatty acids C12:0, C14:0 and C16:0, referred to as N3 and CLA indices. We first identified that ~27.6% (1002/3633) of the functional core additive log-ratio transformed microbial gene abundances (alr-MG) in the rumen were at least moderately host-genomically influenced (HGFC). Of these, 372 alr-MG were host-genomically correlated with the N3 index (n=290), CLA index (n=66) or with both (n=16), indicating that the HGFC influence on beef fatty acid composition is much more complex than the direct regulation of microbial lipolysis and biohydrogenation of dietary lipids and that N3 index variation is more strongly subjected to variations in the HGFC than CLA. Of these 372 alr-MG, 110 were correlated with the N3 and/or CLA index in the same direction, suggesting the opportunity for enhancement of both indices simultaneously through a microbiome-driven breeding strategy. These microbial genes were involved in microbial protein synthesis (aroF and serA), carbohydrate metabolism and transport (galT, msmX), lipopolysaccharide biosynthesis (kdsA, lpxD, lpxB), or flagellar synthesis (flgB, fliN) in certain genera within the Proteobacteria phyla (e.g. Serratia, Aeromonas). A microbiome-driven breeding strategy based on these microbial mechanisms as sole information criteria resulted in a positive selection response for both indices (1.36±0.24 and 0.79±0.21 sd of N3 and CLA indices, at 2.06 selection intensity). When evaluating the impact of our microbiome-driven breeding strategy to increase N3 and CLA indices on the environmental trait methane emissions (g/kg of dry matter intake), we obtained a correlated mitigation response of -0.41±0.12 sd. CONCLUSION This research provides insight on the possibility of using the ruminal functional microbiome as information for host genomic selection, which could simultaneously improve several microbiome-driven traits of interest, in this study exemplified with meat quality traits and methane emissions. Video Abstract.
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Affiliation(s)
| | - Jennifer Mattock
- The Roslin Institute and the Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | | | | | | | | | | | - Mick Watson
- The Roslin Institute and the Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
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Guimarães Júnior R, de Oliveira AF, Ferreira IC, Pereira LGR, Tomich TR, Menezes GL, Vilela L, Lana ÂMQ. Methane emissions and milk yields from zebu cows under integrated systems. Livest Sci 2022. [DOI: 10.1016/j.livsci.2022.105038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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Huang H, Lechniak D, Szumacher-Strabel M, Patra AK, Kozłowska M, Kolodziejski P, Gao M, Ślusarczyk S, Petrič D, Cieslak A. The effect of ensiled paulownia leaves in a high-forage diet on ruminal fermentation, methane production, fatty acid composition, and milk production performance of dairy cows. J Anim Sci Biotechnol 2022; 13:104. [PMID: 35953848 PMCID: PMC9373331 DOI: 10.1186/s40104-022-00745-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 06/09/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The use of industrial by-products rich in bioactive compounds as animal feeds can reduce greenhouse gas production. Paulownia leaves silage (PLS) was supplemented to dairy cows' diet and evaluated in vitro (Exp. 1; Rusitec) and in vivo (Exp. 2, cannulated lactating dairy cows and Exp. 3, non-cannulated lactating dairy cows). The study investigated the PLS effect on ruminal fermentation, microbial populations, methane production and concentration, dry matter intake (DMI), and fatty acid (FA) proportions in ruminal fluid and milk. RESULTS Several variables of the ruminal fluid were changed in response to the inclusion of PLS. In Exp. 1, the pH increased linearly and quadratically, whereas ammonia and total volatile fatty acid (VFA) concentrations increased linearly and cubically. A linear, quadratic, and cubical decrease in methane concentration was observed with increasing dose of the PLS. Exp. 2 revealed an increase in ruminal pH and ammonia concentrations, but no changes in total VFA concentration. Inclusion of PLS increased ruminal propionate (at 3 h and 6 h after feeding), isovalerate, and valerate concentrations. Addition of PLS also affected several populations of the analyzed microorganisms. The abundances of protozoa and bacteria were increased, whereas the abundance of archaea were decreased by PLS. Methane production decreased by 11% and 14% in PLS-fed cows compared to the control in Exp. 2 and 3, respectively. Exp. 3 revealed a reduction in the milk protein and lactose yield in the PLS-fed cows, but no effect on DMI and energy corrected milk yield. Also, the PLS diet affected the ruminal biohydrogenation process with an increased proportions of C18:3 cis-9 cis-12 cis-15, conjugated linoleic acid, C18:1 trans-11 FA, polyunsaturated fatty acids (PUFA), and reduced n6/n3 ratio and saturated fatty acids (SFA) proportion in milk. The relative transcript abundances of the 5 of 6 analyzed genes regulating FA metabolism increased. CONCLUSIONS The dietary PLS replacing the alfalfa silage at 60 g/kg diet can reduce the methane emission and improve milk quality with greater proportions of PUFA, including conjugated linoleic acid, and C18:1 trans-11 along with reduction of SFA. Graphical abstract of the experimental roadmap.
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Affiliation(s)
- Haihao Huang
- Department of Animal Nutrition, Poznań University of Life Sciences, Wołyńska 33, 60-637, Poznań, Poland
| | - Dorota Lechniak
- Department of Genetics and Animal Breeding, Poznań University of Life Sciences, Wolynska 33, Poznań, 60-637, Poland
| | | | - Amlan Kumar Patra
- Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, 37 K. B. Sarani, Kolkata, India
| | - Martyna Kozłowska
- Department of Animal Nutrition, Poznań University of Life Sciences, Wołyńska 33, 60-637, Poznań, Poland.,Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, 37 K. B. Sarani, Kolkata, India.,Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, Postępu 36A, 05-552, Magdalenka, Warsaw, Poland
| | - Pawel Kolodziejski
- Department of Animal Physiology, Biochemistry and Biostructure, Poznan University of Life Sciences, Wolynska 35, Poznan, 60-637, Poland
| | - Min Gao
- Department of Animal Nutrition, Poznań University of Life Sciences, Wołyńska 33, 60-637, Poznań, Poland
| | - Sylwester Ślusarczyk
- Department of Pharmaceutical Biology and Botanic Garden of Medicinal Plants, Wrocław Medical University, Wrocław, 50-556, Poland
| | - Daniel Petrič
- Institute of Animal Physiology, Centre of Biosciences of Slovak Academy of Sciences, Šoltésovej 4-6, 040-01, Košice, Slovak Republic
| | - Adam Cieslak
- Department of Animal Nutrition, Poznań University of Life Sciences, Wołyńska 33, 60-637, Poznań, Poland. .,Department of Animal Nutrition, Faculty of Veterinary Medicine and Animal Science, Poznań University of Life Sciences, Poznań, 60-637, Poland.
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Ouppamong T, Gunun N, Tamkhonburee C, Khejornsart P, Kaewpila C, Kesorn P, Kimprasit T, Cherdthong A, Wanapat M, Polyorach S, Foiklang S, Gunun P. Fermented Rubber Seed Kernel with Yeast in the Diets of Tropical Lactating Dairy Cows: Effects on Feed Intake, Hematology, Microbial Protein Synthesis, Milk Yield and Milk Composition. Vet Sci 2022; 9:vetsci9070360. [PMID: 35878377 PMCID: PMC9325126 DOI: 10.3390/vetsci9070360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 07/02/2022] [Accepted: 07/11/2022] [Indexed: 11/16/2022] Open
Abstract
The objective of the present study was to analyze the effects of yeast-fermented rubber seed kernels (YERSEK) on the feed intake, hematology, microbial protein synthesis, milk yield, and milk composition in dairy cows. Six crossbred Holstein Friesian (HF) × Thai lactating dairy cows with 110 ± 10 days in milk were randomly assigned to three different amounts of YERSEK at 0%, 10%, and 20% in a concentrate mixture using a 3 × 3 repeated Latin square design. Cows were fed with concentrate diets at a concentrate-to-milk yield ratio of 1:1.5, with rice straw fed ad libitum. The inclusion of YERSEK did not adversely affect feed intake, nutrient intake, or digestibility (p > 0.05), whereas ether extract intake and digestibility linearly increased in dairy cows receiving YERSEK (p < 0.01). Increasing YERSEK levels did not adversely affect blood urea nitrogen (BUN) levels, hematological parameters, or microbial protein synthesis (p > 0.05). Supplementation of YERSEK did not influence milk production, lactose, or protein levels (p > 0.05). However, milk fat and total solids decreased linearly (p < 0.05) with the addition of YERSEK. In conclusion, in a concentrate diet, YERSEK could be used as a protein source without negative effects on feed intake, digestibility, hematology, microbial protein synthesis, or milk yield. However, it reduced the milk fat and total solids of tropical lactating dairy cows.
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Affiliation(s)
- Thanaporn Ouppamong
- Department of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, Thailand; (T.O.); (C.K.); (P.K.); (T.K.)
| | - Nirawan Gunun
- Department of Animal Science, Faculty of Technology, Udon Thani Rajabhat University, Udon Thani 41000, Thailand
- Correspondence: (N.G.); (P.G.); Tel.: +66-42-771-440 (P.G.)
| | - Chayapol Tamkhonburee
- Dairy Farming Promotion Organization of Thailand (DPO), Northeast Region, Khon Kaen 40260, Thailand;
| | - Pichad Khejornsart
- Faculty of Natural Resources and Agro-Industry, Kasetsart University Chalermphrakiat Sakon Nakhon, Province Campus, Sakon Nakhon 47000, Thailand;
| | - Chatchai Kaewpila
- Department of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, Thailand; (T.O.); (C.K.); (P.K.); (T.K.)
| | - Piyawit Kesorn
- Department of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, Thailand; (T.O.); (C.K.); (P.K.); (T.K.)
| | - Thachawech Kimprasit
- Department of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, Thailand; (T.O.); (C.K.); (P.K.); (T.K.)
| | - Anusorn Cherdthong
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand; (A.C.); (M.W.)
| | - Metha Wanapat
- Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand; (A.C.); (M.W.)
| | - Sineenart Polyorach
- Department of Animal Production Technology and Fisheries, Faculty of Agricultural Technology, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, Thailand;
| | - Suban Foiklang
- Faculty of Animal Science and Technology, Maejo University, Chiang Mai 50290, Thailand;
| | - Pongsatorn Gunun
- Department of Animal Science, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus, Phangkhon, Sakon Nakhon 47160, Thailand; (T.O.); (C.K.); (P.K.); (T.K.)
- Correspondence: (N.G.); (P.G.); Tel.: +66-42-771-440 (P.G.)
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Manso T, Gallardo B, Lavín P, Ruiz Mantecón Á, Cejudo C, Gómez-Cortés P, de la Fuente MÁ. Enrichment of Ewe’s Milk with Dietary n-3 Fatty Acids from Palm, Linseed and Algae Oils in Isoenergetic Rations. Animals (Basel) 2022; 12:ani12131716. [PMID: 35804615 PMCID: PMC9264961 DOI: 10.3390/ani12131716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/17/2022] [Accepted: 06/27/2022] [Indexed: 11/16/2022] Open
Abstract
Increasing the levels of n-3 fatty acids (FA) in dairy products is an important goal in terms of enhancing the nutritional value of these foods for the consumer. The purpose of this research was to evaluate the effects of linseed and algae oil supplements in ovine isoenergetic diets on healthy milk fatty acid composition, mainly n-3. Seventy-two Churra dairy ewes were divided and randomly assigned to four experimental treatments for 6 weeks. The treatments consisted of a TMR (40:60 forage:concentrate ratio) that varied according to the inclusion of different types of fat (23 g/100 g TMR): hydrogenated palm oil (control), linseed oil (LO), calcium soap of linseed oil (CaS-LO) and marine algae oil (AO). The most effective lipid supplement to increase n-3 FA in milk was AO. 22:6 n-3 and total n-3 PUFA content increased from 0.02 and 0.60% (control) to 2.63 and 3.53% (AO), respectively. All diets supplemented with n-3 FA diminished the content of saturated FA in milk and its atherogenic index, while the levels of trans-11 18:1 and cis-9 trans-11 18:2 significantly increased. Overall, the enhancement of n-3 FA in ewe’s milk would be advantageous for the manufacture of nutritionally improved cheeses.
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Affiliation(s)
- Teresa Manso
- Departamento de Ciencias Agroforestales, Universidad de Valladolid, 34004 Palencia, Spain; (T.M.); (B.G.)
| | - Beatriz Gallardo
- Departamento de Ciencias Agroforestales, Universidad de Valladolid, 34004 Palencia, Spain; (T.M.); (B.G.)
| | - Paz Lavín
- Instituto de Ganadería de Montaña (CSIC-ULE), Grulleros, 24346 León, Spain; (P.L.); (Á.R.M.)
| | - Ángel Ruiz Mantecón
- Instituto de Ganadería de Montaña (CSIC-ULE), Grulleros, 24346 León, Spain; (P.L.); (Á.R.M.)
| | - Carmen Cejudo
- Instituto de Investigación en Ciencias de la Alimentación, CSIC-UAM, Nicolás Cabrera 9, 28049 Madrid, Spain; (C.C.); (M.Á.d.l.F.)
| | - Pilar Gómez-Cortés
- Instituto de Investigación en Ciencias de la Alimentación, CSIC-UAM, Nicolás Cabrera 9, 28049 Madrid, Spain; (C.C.); (M.Á.d.l.F.)
- Correspondence: ; Tel.: +34-910-017-900
| | - Miguel Ángel de la Fuente
- Instituto de Investigación en Ciencias de la Alimentación, CSIC-UAM, Nicolás Cabrera 9, 28049 Madrid, Spain; (C.C.); (M.Á.d.l.F.)
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Dietary olive leaves improve the quality and the consumer preferences of a model sheep cheese. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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de Nazaré Santos Torres R, de Melo Coelho L, Paschoaloto JR, Ghedini CP, Neto ORM, Chardulo LAL, Baldassini WA, de Almeida Júnior GA, Almeida MTC. Does distillers' grains supplementation affect beef cattle performance, carcass characteristics, and meat quality? A meta-analysis study. Res Vet Sci 2022; 149:21-35. [PMID: 35716519 DOI: 10.1016/j.rvsc.2022.06.004] [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: 04/05/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 11/17/2022]
Abstract
This study evaluated, through meta-analysis, the effect of distillers' grains (DG) supplementation to beef cattle on their performance, carcass parameters, and meat fatty acid profile. Eighty-one peer-reviewed publications with 439 treatments means were included in the data set. The effects of DG supplementation to beef cattle were evaluated using weighted mean differences (WMD) between the control group (diets with no DG) and DG group (diets with DG). Heterogeneity was explored by meta-regression and subgroup analysis using genetic type, treatment period, DG type, amount of DG in diet (g DG/kg DM), sulfur in diet (g S/kg DM), ether extract in diet (g EE/kg DM), feed systems (pasture or total mixed ration), and concentrate level in the diet (g/kg DM). Meat fatty acid profile was more affected when DG was fed to crossbreed animals. In Angus animals, DG inclusion to the diets had little effect on meat fatty acid profile whereas, a pronounced reduction was reported in meat omega-6/omega-3 ratio. In response to DG inclusion to the diets, an increase in diet sulfur content up to 6.0 g/kg and ether extract content up to 110 g/kg had no adverse effects on performance, carcass parameters, and meat physicochemical characteristics. Distillers' grains inclusions in amounts between 500 and 600 g DG/kg provided the greatest responses when evaluating carcass parameters and meat fatty acid profile. Increased CLA c9 t11, linolenic acid, and total PUFA and reduced myristic acid concentration in meat were reported when animals were fed diets containing DG.
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Affiliation(s)
| | - Larissa de Melo Coelho
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | | | - Caren Paludo Ghedini
- Department of Agriculture, Nutrition and Food Systems, University of New Hampshire, Durham, NH 0382, USA
| | - Otavio Rodrigues Machado Neto
- School of Veterinary Medicine and Animal Science, São Paulo State University, Botucatu, SP, Brazil; School of Agricultural and Veterinarian Science, São Paulo State University, Jaboticabal, Brazil
| | - Luis Artur Loyola Chardulo
- School of Veterinary Medicine and Animal Science, São Paulo State University, Botucatu, SP, Brazil; School of Agricultural and Veterinarian Science, São Paulo State University, Jaboticabal, Brazil
| | - Welder Angelo Baldassini
- School of Veterinary Medicine and Animal Science, São Paulo State University, Botucatu, SP, Brazil
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Widaningrum, Flanagan BM, Williams BA, Sonni F, Chen P, Mikkelsen D, Gidley MJ. In vitro fermentation profiles of undigested fractions from legume and nut particles are affected by particle cohesion and entrapped macronutrients. Food Funct 2022; 13:5075-5088. [PMID: 35411900 DOI: 10.1039/d2fo00250g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Insoluble undigested food residues are the predominant dietary form of 'fibre' from food plants, with the potential for fermentation by microbial species resident within the large intestine. Here we present results on in vitro fermentation of undigested fractions of legumes (chickpea flour, lentil flour, mung bean flour), and nuts (peanut, almond, macadamia) using a pooled faecal inoculum from pigs fed a nut- and legume-free diet. All substrates were pre-digested in vitro. Nuts were also separated into two particle sizes (PS), cell cluster (CC = 710-1000 μm) and fine (F = 250-500 μm), to test the effect of PS. All substrates tested were fermented for 48 hours, and measured according to gas production, with lentil (within legume flours) being the highest gas producer, and peanut being the highest gas producer within nuts. Undigested fractions from Nuts_F had significantly higher gas production than those from Nuts_CC, consistent with differences in surface area between the two PS. Relative short chain fatty acid concentrations between samples as metabolite end-products were consistent with relative gas production. Analysis of unfermented residues after different fermentation times, showed that cellular integrity was a major factor controlling fermentation rates and that entrapped protein/starch (legumes) and lipid (nuts) all contributed to the fermentation outcomes.
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Affiliation(s)
- Widaningrum
- Centre for Nutrition and Food Sciences (CNAFS), Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, St. Lucia, QLD 4072, Australia. .,Indonesian Center for Agricultural Postharvest Research and Development (ICAPRD), Bogor, Indonesia
| | - Bernadine M Flanagan
- Centre for Nutrition and Food Sciences (CNAFS), Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, St. Lucia, QLD 4072, Australia.
| | - Barbara A Williams
- Centre for Nutrition and Food Sciences (CNAFS), Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, St. Lucia, QLD 4072, Australia.
| | - Francesca Sonni
- Centre for Nutrition and Food Sciences (CNAFS), Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, St. Lucia, QLD 4072, Australia.
| | - Pengfei Chen
- Centre for Nutrition and Food Sciences (CNAFS), Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, St. Lucia, QLD 4072, Australia.
| | - Deirdre Mikkelsen
- Centre for Nutrition and Food Sciences (CNAFS), Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, St. Lucia, QLD 4072, Australia. .,School of Agriculture and Food Sciences, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Michael J Gidley
- Centre for Nutrition and Food Sciences (CNAFS), Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, St. Lucia, QLD 4072, Australia.
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Xu T, Ma X, Zhou X, Qian M, Yang Z, Cao P, Han X. Coated tannin supplementation improves growth performance, nutrients digestibility, and intestinal function in weaned piglets. J Anim Sci 2022; 100:skac088. [PMID: 35298652 PMCID: PMC9109020 DOI: 10.1093/jas/skac088] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/15/2022] [Indexed: 11/13/2022] Open
Abstract
To explore the effect of coated tannin (CT) on the growth performance, nutrients digestibility, and intestinal function in weaned piglets, a total of 180 piglets Duroc × Landrace × Yorkshire (28 d old) weighing about 8.6 kg were randomly allotted to three treatments: 1) Con: basal diet (contains ZnSO4); 2) Tan: basal diet + 0.15% CT; and 3) ZnO: basal diet + ZnO (Zn content is 1,600 mg/kg). The results showed that 0.15% CT could highly increase the average daily gain and average daily feed intake of weaned piglets compared with the control group, especially decreasing diarrhea incidence significantly (P < 0.05). Compared with the control group, crude protein apparent digestibility and digestive enzyme activity of the piglets fed with 0.15% CT were enhanced obviously (P < 0.05). Meanwhile, the intestinal villi and microvilli arranged more densely, while the content of serum diamine oxidase was decreased, and the protein expressions of zonula occludens-1 (ZO-1) and claudin-1 were significantly upregulated (P < 0.05). In addition, CT altered the structure of intestinal microbiota and augmented some butyrate-producing bacteria such as Ruminococcaceae and Megasphaera. PICRUSt (Phylogenetic Investigation of Communities by Reconstruction of Unobserved States) analysis also showed that the abundances of pathways related to butyrate metabolism and tryptophan metabolism were increased; however, the function of lipopolysaccharide biosynthesis proteins was significantly decreased. The results demonstrated that 0.15% CT could improve growth performance, digestibility, and intestinal function of weaned piglets, and it had the potential to replace ZnO applied to farming.
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Affiliation(s)
- Tingting Xu
- The Key Laboratory of Animal Nutrition and Feed Science in East China of Ministry of Agriculture, College of Animal Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Xin Ma
- The Key Laboratory of Animal Nutrition and Feed Science in East China of Ministry of Agriculture, College of Animal Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Xinchen Zhou
- Hainan Institute of Zhejiang University, Yazhou Bay Science and Technology City, Zhejiang University, Sanya, Hainan 572025, China
| | - Mengqi Qian
- The Key Laboratory of Animal Nutrition and Feed Science in East China of Ministry of Agriculture, College of Animal Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Zhiren Yang
- Hainan Institute of Zhejiang University, Yazhou Bay Science and Technology City, Zhejiang University, Sanya, Hainan 572025, China
| | - Peiwen Cao
- The Key Laboratory of Animal Nutrition and Feed Science in East China of Ministry of Agriculture, College of Animal Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Xinyan Han
- The Key Laboratory of Animal Nutrition and Feed Science in East China of Ministry of Agriculture, College of Animal Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Hainan Institute of Zhejiang University, Yazhou Bay Science and Technology City, Zhejiang University, Sanya, Hainan 572025, China
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Broudiscou LP, Quinsac A, Berthelot V, Carré P, Dauguet S, Peyronnet C. Dose response relationships between linseed or rapeseed oils supply and rumen microbial metabolism in continuous culture on maize silage-based diet. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2052367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Effects of Linseed Supplementation on Milk Production, Composition, Odd- and Branched-Chain Fatty Acids, and on Serum Biochemistry in Cilentana Grazing Goats. Animals (Basel) 2022; 12:ani12060783. [PMID: 35327180 PMCID: PMC8944532 DOI: 10.3390/ani12060783] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 12/04/2022] Open
Abstract
The purpose of this study was to investigate the effects of linseed supplementation on milk yield and quality, serum biochemistry and, in particular, to evaluate its possible effects on the production of odd- and branched-chain fatty acids (OBCFA) in the milk of Cilentana grazing goats. Twelve pregnant Cilentana dairy goats were divided into two groups (CTR, control, and LIN, linseed supplementation group). After kidding, the goats had free access to the pasture and both groups received a supplement of 400 g/head of concentrate, but the one administered to the LIN group was characterized by the addition of linseed (in a ratio of 20% as fed) to the ingredients. During the trial, milk samples were taken from April to August in order to evaluate milk production, composition, and fatty acid profile. In addition, blood samples were taken for evaluating the effects of linseed supplementation on goats’ health status. The health status of the goats was not influenced by the linseed supplementation, as confirmed by blood analyses. Concerning the effects on milk, the supplementation positively affected (p < 0.001) milk production and fat percentage and the fatty acid profile was markedly influenced by the lipid supplementation. In particular, milk from the LIN group was characterized by significantly lower concentrations of saturated fatty acids (FA; p < 0.001) and higher proportions of monounsaturated FA, polyunsaturated FA, and conjugated linoleic acids (CLAs) than milk from the CTR group (p < 0.001). In contrast, the OBCFA were negatively influenced by the linseed supplementation (p < 0.0001). Further studies are needed to test the effects of different fat sources and other nutrients on the diets.
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Aoki H, Sato Y, Katsumata S, Yamauchi M, Yamanaka S, Kishi Y, Oishi K, Hirooka H, Kumagai H. Effects of calcium salt of linseed oil fatty acid with different oil adsorbents on in vitro gas production and ruminal fermentation characteristics. Anim Sci J 2022; 93:e13707. [PMID: 35289034 DOI: 10.1111/asj.13707] [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: 11/18/2021] [Revised: 01/24/2022] [Accepted: 02/16/2022] [Indexed: 11/29/2022]
Abstract
We investigated the effects of supplementary calcium salt of fatty acid (CSFA) from linseed oil with different oil adsorbents on in vitro gas production and rumen fermentation characteristics in barley substrate condition. A non-supplementation treatment (CONT) and treatments of six products, CSFA without oil adsorbent (2.1 fatty acid/Ca molar ratio) and CSFAs with silica gel, zeolite, bentonite, diatomite, and vermiculite (2.8 fatty acid/Ca molar ratio), were prepared. The supplementary 2% and 4% CSFA with silica gel (+S) in the substrate reduced CH4 production 56% and 79%, respectively, compared with that in CONT (p < 0.01). The products, except for +S, did not decrease CH4 production. The dry matter (DM) disappearance in CSFAs with oil adsorbents was lower than that in the CSFA without oil adsorbent (74.8%-77.3% vs. 79.3%, p < 0.01), and crude protein (CP) disappearance in +S supplementation was lower than that of the other products (53.5% vs. 57.2%-59.1%, p < 0.01). The +S supplementation decreased acetate proportion and increased propionate proportion (p < 0.01). Our study indicated that although the disappearance of DM and CP might decrease, using silica gel as an oil adsorbent of linseed oil calcium salt with high fatty acid/Ca molar ratio has the potential to mitigate CH4 emissions from ruminants.
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Affiliation(s)
- Hirotatsu Aoki
- Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Yoshiaki Sato
- Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Sachi Katsumata
- Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Momo Yamauchi
- Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Sayaka Yamanaka
- Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Yousuke Kishi
- Research & Development Department, Taiyo Yushi Corp., Yokohama, Japan
| | - Kazato Oishi
- Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Hiroyuki Hirooka
- Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Hajime Kumagai
- Laboratory of Animal Husbandry Resources, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
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Research progress on conjugated linoleic acid bio-conversion in Bifidobacterium. Int J Food Microbiol 2022; 369:109593. [DOI: 10.1016/j.ijfoodmicro.2022.109593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 02/13/2022] [Accepted: 02/20/2022] [Indexed: 11/18/2022]
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DHA-Rich Aurantiochytrium Biomass, a Novel Dietary Supplement, Resists Degradation by Rumen Microbiota without Disrupting Microbial Activity. Appl Microbiol 2022. [DOI: 10.3390/applmicrobiol2010004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We first sought to evaluate the effect of dietary supplementation with the docosahexaenoic acid (DHA)-rich microalgae, Aurantiochytrium limacinum (AURA), on rumen fermentation and the resistance of DHA to degradation and biohydrogenation by rumen microbes through ex vivo fermentation experiments. Subsequently, we sought to quantify the diet-derived DHA content of milk and the impact of AURA on microbial composition and metabolism in a pilot feeding trial with rumen-cannulated dairy cows. To achieve our aims, rumen fluid from cannulated cows was used as inoculum, and the effect of AURA inclusion on fermentation ex vivo was examined. At doses corresponding to the amount of AURA recommended for commercial production animals, only ~10% of DHA was degraded or biohydrogenated by rumen microorganisms. The results show that feeding with AURA had no effect on either total bacterial density or short-chain fatty acid production. Real-time quantitative PCR analysis of the rumen fluid samples collected during a seven-week in vivo trial revealed that microbes related to lactic acid metabolism and methanogenesis were significantly suppressed by the AURA-supplemented diet. The DHA concentration in milk increased over 25-fold with the AURA-supplemented diet and dropped by 30–40% within one week of washout. The addition of A. limacinum biomass to dairy cow diets resulted in positive effects on rumen microbial composition with no adverse effect on fermentation activity. AURA-derived DHA was stable, with only modest degradation in the rumen, and was successfully deposited in milk. This is the first study to investigate the effect of supplementing the diet of dairy cows with a protist-based biomass, namely, on important rumen fermentation parameters and on DHA deposition in milk, using a combination of ex vivo and in vivo approaches.
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Synergistic Impact of Bioactive Byproduct Extract Leads to Anti- Fusarium and Anti-Mycotoxin Secretion. J Fungi (Basel) 2021; 8:jof8010030. [PMID: 35049970 PMCID: PMC8779159 DOI: 10.3390/jof8010030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 12/24/2022] Open
Abstract
Fruit byproducts are considered a high source of bioactive molecules, which possess antioxidant activities. These antioxidants play principal functions in mycotoxin reduction. This study aimed to evaluate crude mandarin byproduct extract for its chemical interaction with fungal growth and suppression of mycotoxin production, and to illustrate whether the impact was regarding individual molecules or a synergistic antioxidation process. Extract contents were analyzed for their phenolic, flavonoids, and antioxidant activity. The fatty acid composition and volatile components were determined using the GC apparatus. The influence of the extract evaluated versus the standard phenolics of trans-ferulic and hesperidin were evaluated. The liposome technique was applied to prevent the antioxidant properties of the bioactive extract. The anti-mycotoxigenic effects of the liposomal and non-liposomal extract were determined in fungal media against the standard phenolics. The results manifested ferulic (235.54 ± 3.34 mg/100 g) and hesperidin (492.11 ± 1.15 mg/100 g) as high phenolics in the extract. Limonene was the main volatile (67.54 ± 1.74%), as well antioxidant activities determined in considerable values. The crude extract recorded efficiency as an anti-Fusarium agent, but less than the standard hesperidin applied in fungal media. The bioactive extract recorded possessed a reduction influence on mycotoxin production. The impact may be joining with its fungal inhibition or its component activity with the active groups on the mycotoxin molecule. The formation of liposomal extract enhanced its efficacy in mycotoxin reduction. This enhancement may illustrate its protective properties for antioxidant components of the bioactive extract.
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Huang G, Guo L, Chang X, Liu K, Tang W, Zheng N, Zhao S, Zhang Y, Wang J. Effect of Whole or Ground Flaxseed Supplementation on Fatty Acid Profile, Fermentation, and Bacterial Composition in Rumen of Dairy Cows. Front Microbiol 2021; 12:760528. [PMID: 34867889 PMCID: PMC8633392 DOI: 10.3389/fmicb.2021.760528] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 10/18/2021] [Indexed: 11/21/2022] Open
Abstract
Flaxseed is rich in α-linolenic acid (ALA) and can increase omega-3 polyunsaturated fatty acid in the milk of dairy cows. However, the response of rumen fermentation to different forms of flaxseed supplementation is unknown. This study aimed to investigate the effect of different forms of flaxseed on the fatty acid profile, fermentation, and composition of bacteria in the rumen of dairy cows. In total, 30 Holstein dairy cows were selected and randomly assigned into three groups (10/group). Cows were fed a basal diet (control check; CK) or basal diets supplemented with either 1,500 g per day whole flaxseed (WF) or 1,500 g per day ground flaxseed (GF). The WF group had the highest ALA content in rumen fluid, whereas no difference was found between the CK and GF groups. However, the molar proportion of acetate increased in the WF and GF groups and was the highest in the GF group, and a similar trend was shown by propionate, isobutyrate, butyrate, isovalerate, and valerate (CK < WF < GF). The abundance of Ruminococcaceae_NK4A214_group, Christensenellaceae_R-7_group, and Eubacterium_coprostanoligenes_group also showed the same trend (CK < WF < GF). Different forms of flaxseed release ALA by different mechanisms in the rumen, and the molar proportions of volatile fatty acids and the bacterial composition were potentially influenced mainly by the amount of ALA released into the rumen.
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Affiliation(s)
- Guoxin Huang
- College of Animal Sciences and Technology, Northeast Agricultural University, Harbin, China.,Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Liya Guo
- Henan Institute of Science and Technology, Xinxiang, China
| | - Xiaofeng Chang
- College of Animal Sciences and Technology, Northeast Agricultural University, Harbin, China
| | - Kaizhen Liu
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Wenhao Tang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Nan Zheng
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shengguo Zhao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yangdong Zhang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jiaqi Wang
- College of Animal Sciences and Technology, Northeast Agricultural University, Harbin, China.,Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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Contreras-Dávila CA, Zuidema N, Buisman CJN, Strik DPBTB. Reactor microbiome enriches vegetable oil with n-caproate and n-caprylate for potential functionalized feed additive production via extractive lactate-based chain elongation. BIOTECHNOLOGY FOR BIOFUELS 2021; 14:232. [PMID: 34872602 PMCID: PMC8647473 DOI: 10.1186/s13068-021-02084-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 11/21/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Biotechnological processes for efficient resource recovery from residual materials rely on complex conversions carried out by reactor microbiomes. Chain elongation microbiomes produce valuable medium-chain carboxylates (MCC) that can be used as biobased starting materials in the chemical, agriculture and food industry. In this study, sunflower oil is used as an application-compatible solvent to accumulate microbially produced MCC during extractive lactate-based chain elongation. The MCC-enriched solvent is harvested as a potential novel product for direct application without further MCC purification, e.g., direct use for animal nutrition. Sunflower oil biocompatibility, in situ extraction performance and effects on chain elongation were evaluated in batch and continuous experiments. Microbial community composition and dynamics of continuous experiments were analyzed based on 16S rRNA gene sequencing data. Potential applications of MCC-enriched solvents along with future research directions are discussed. RESULTS Sunflower oil showed high MCC extraction specificity and similar biocompatibility to oleyl alcohol in batch extractive fermentation of lactate and food waste. Continuous chain elongation microbiomes produced the MCC n-caproate (nC6) and n-caprylate (nC8) from L-lactate and acetate at pH 5.0 standing high undissociated n-caproic acid concentrations (3 g L-1). Extractive chain elongation with sunflower oil relieved apparent toxicity of MCC and production rates and selectivities reached maximum values of 5.16 ± 0.41 g nC6 L-1 d-1 (MCC: 11.5 g COD L-1 d-1) and 84 ± 5% (e- eq MCC per e- eq products), respectively. MCC were selectively enriched in sunflower oil to concentrations up to 72 g nC6 L-1 and 3 g nC8 L-1, equivalent to 8.3 wt% in MCC-enriched sunflower oil. Fermentation at pH 7.0 produced propionate and n-butyrate instead of MCC. Sunflower oil showed stable linoleic and oleic acids composition during extractive chain elongation regardless of pH conditions. Reactor microbiomes showed reduced diversity at pH 5.0 with MCC production linked to Caproiciproducens co-occurring with Clostridium tyrobutyricum, Clostridium luticellarii and Lactobacillus species. Abundant taxa at pH 7.0 were Anaerotignum, Lachnospiraceae and Sporoanaerobacter. CONCLUSIONS Sunflower oil is a suitable biobased solvent to selectively concentrate MCC. Extractive reactor microbiomes produced MCC with improved selectivity and production rate, while downstream processing complexity was reduced. Potential applications of MCC-enriched solvents may include feed, food and biofuels purposes.
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Affiliation(s)
- Carlos A. Contreras-Dávila
- Environmental Technology, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Norwin Zuidema
- Environmental Technology, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Cees J. N. Buisman
- Environmental Technology, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - David P. B. T. B. Strik
- Environmental Technology, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
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47
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Klopp RN, Ferreira CR, Casey TM, Boerman JP. Relationship of cow and calf circulating lipidomes with colostrum lipid composition and metabolic status of the cow. J Dairy Sci 2021; 105:1768-1787. [PMID: 34802733 DOI: 10.3168/jds.2021-21008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 10/12/2021] [Indexed: 11/19/2022]
Abstract
Newborn calves rely on lipids in colostrum for energy and immune function. The lipid concentration in colostrum, however, is highly variable, and little is known about its composition and maternal factors that influence its composition. The first objective was to measure plasma lipid composition of multiparous cows at 35 d before calving (BC; 35 ± 3 d; ± standard deviation) and 7 d BC (7 ± 2 d), their colostrum, and serum lipid composition of calves (24 h after birth) using multiple reaction monitoring profiling, which is an exploratory and highly sensitive lipidomic analysis method that screens lipids based on chemical functionality. Second, data were analyzed to determine if there were relationships between circulating lipids in the cow, colostrum lipids, and calf serum lipids. Third, relationships between markers of metabolic status of the cows and circulating and colostrum lipids were analyzed with correlation analysis. Blood was sampled and plasma prepared from multiparous cows (n = 16) at 35 and 7 d BC. Within 3 h of parturition, colostrum was collected from cows and fed to her calf. Calves received another feeding of colostrum within 12 h after birth and a serum sample was collected from each calf 24 h after the first feeding of colostrum. The metabolic status of cows was evaluated using insulin, glucose, and nonesterified fatty acid area under the curve in response to an intravenous glucose tolerance test performed at 3 wk BC. Lipids were extracted from plasma, colostrum, and calf serum and were analyzed using multiple reaction monitoring profiling. Concentration of lipids were calculated using spiked in standards and expressed as percent of lipids identified. Data were uploaded into MetaboAnalyst 5.0 for multivariate and univariate analysis. Principal component analysis indicated that circulating lipids in the cow and calf were distinct from lipids in colostrum. Phosphatidylglycerol (PG) concentration was greater in colostrum and calf serum than in cow plasma, with 23 of the 24 PG found in colostrum also found in calf serum. In response to intravenous glucose tolerance test in late gestation, nonesterified fatty acid area under the curve was positively related to total triacylglycerols lipids in 7 d BC plasma (r = 0.63) but negatively related to total membrane lipids in colostrum (r = -0.55). Thus, the metabolic status of the dam influences circulating lipids and colostrum lipid content. Moreover, the circulating lipidome of the cow and calf are similar to one another and distinct from the colostrum lipidome, except for PG, where it appears that colostrum serves as the source for PG in the calf's circulation.
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Affiliation(s)
- R N Klopp
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907
| | - C R Ferreira
- Metabolite Profiling Facility, Bindley Bioscience Center, Purdue University, West Lafayette, IN 47907
| | - T M Casey
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907.
| | - J P Boerman
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907
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Zhang X, Han L, Hou S, Raza SHA, Wang Z, Yang B, Sun S, Ding B, Gui L, Simal-Gandara J, Shukry M, Sayed SM, Al Hazani TMI. Effects of different feeding regimes on muscle metabolism and its association with meat quality of Tibetan sheep. Food Chem 2021; 374:131611. [PMID: 34863603 DOI: 10.1016/j.foodchem.2021.131611] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/03/2021] [Accepted: 11/11/2021] [Indexed: 12/14/2022]
Abstract
This study aimed to explore the effects of different feeding regimes on muscle metabolism and its association with meat quality of Tibetan sheep through correlation analysis of meat quality and differential metabolites using untargeted and targeted metabolomics. The untargeted metabolome was detected by UHPLC-QTOF-MS, and the targeted metabolome was detected by UHPLC-QQQ-MS (amino acids) and GC-MS (fatty acids). Based on the researched results, the nutritional quality of meat, including the content of protein and fat and the edible quality of meat, including tenderness, water holding capacity (WHC), texture, and flavor of Tibetan sheep were superior in the stall-feeding group (GBZ) than in the traditional grazing group (CBZ). In the GBZ group, the key upregulated metabolites and metabolic pathways were dominated by essential amino acids (EAAs) and amino acid metabolism as well as the key downregulated metabolites and metabolic pathways were dominated by polyunsaturated fatty acids (PUFA) and lipid metabolism. Correlation analysis showed that there was a significant correlation between the results of untargeted metabolomics and some phenotypic data, including shear force, cooking loss, drip loss, chewiness, elasticity, flavor, and the content of protein and fat. Taken together, stall-feeding would be appropriate for the production of Tibetan mutton, offering better mouthfeel and higher nutrition by altering the muscle metabolism and increasing the beneficial compound deposition in the muscle.
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Affiliation(s)
- Xue Zhang
- College of Agriculture and Animal Husbandry, Qinghai University Xining, 810016, People's Republic of China
| | - Lijuan Han
- College of Agriculture and Animal Husbandry, Qinghai University Xining, 810016, People's Republic of China
| | - Shengzhen Hou
- College of Agriculture and Animal Husbandry, Qinghai University Xining, 810016, People's Republic of China.
| | - Sayed Haidar Abbas Raza
- National Beef Cattle Improvement Center, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zhiyou Wang
- College of Agriculture and Animal Husbandry, Qinghai University Xining, 810016, People's Republic of China
| | - Baochun Yang
- College of Agriculture and Animal Husbandry, Qinghai University Xining, 810016, People's Republic of China
| | - Shengnan Sun
- College of Agriculture and Animal Husbandry, Qinghai University Xining, 810016, People's Republic of China
| | - Baoan Ding
- College of Agriculture and Animal Husbandry, Qinghai University Xining, 810016, People's Republic of China
| | - Linsheng Gui
- College of Agriculture and Animal Husbandry, Qinghai University Xining, 810016, People's Republic of China
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, E-32004 Ourense, Spain
| | - Mustafa Shukry
- Department of Physiology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 22511, Egypt
| | - Samy M Sayed
- Department of Science and Technology, University College-Ranyah, Taif University, Ranyah 21975, Saudi Arabia
| | - Tahani Mohamed Ibrahim Al Hazani
- Biology Department, College of Science and Humanities, Prince Sattam bin Abdulaziz University, P.O. Box: 83, Al-Kharj 11940, Saudi Arabia
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Abdoul-Aziz SKA, Zhang Y, Wang J. Milk Odd and Branched Chain Fatty Acids in Dairy Cows: A Review on Dietary Factors and Its Consequences on Human Health. Animals (Basel) 2021; 11:3210. [PMID: 34827941 PMCID: PMC8614267 DOI: 10.3390/ani11113210] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/01/2021] [Accepted: 11/02/2021] [Indexed: 12/17/2022] Open
Abstract
This review highlights the importance of odd and branched chain fatty acids (OBCFAs) and dietary factors that may affect the content of milk OBCFAs in dairy cows. Historically, OBCFAs in cow milk had little significance due to their low concentrations compared to other milk fatty acids (FAs). The primary source of OBCFAs is ruminal bacteria. In general, FAs and OBCFAs profile in milk is mainly affected by dietary FAs and FAs metabolism in the rumen. Additionally, lipid mobilization in the body and FAs metabolism in mammary glands affect the milk OBCFAs profile. In cows, supplementation with fat rich in linoleic acid and α-linolenic acid decrease milk OBCFAs content, whereas supplementation with marine algae or fish oil increase milk OBCFAs content. Feeding more forage rather than concentrate increases the yield of some OBCFAs in milk. A high grass silage rate in the diet may increase milk total OBCFAs. In contrast to saturated FAs, OBCFAs have beneficial effects on cardiovascular diseases and type II diabetes. Furthermore, OBCFAs may have anti-cancer properties and prevent Alzheimer's disease and metabolic syndrome.
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Affiliation(s)
| | | | - Jiaqi Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Road, Beijing 100193, China; (S.K.A.A.-A.); (Y.Z.)
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50
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Hong J, Ndou SP, Adams S, Scaria J, Woyengo TA. Growth performance, visceral organ weights, and gut health of weaned pigs fed diets with different dietary fiber solubility and lipid sources. J Anim Sci 2021; 99:6398708. [PMID: 34657148 DOI: 10.1093/jas/skab292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 10/14/2021] [Indexed: 12/24/2022] Open
Abstract
The objective of this study was to determine the interactive effects of dietary fiber solubility and lipid source on growth performance, visceral organ weights, gut histology, and gut microbiota composition of weaned pigs. A total of 280 nursery pigs [initial body weight (BW) = 6.84 kg] weaned at 21 d were housed in 40 pens (7 pigs/pen). The pigs were fed four diets (10 pens/diet) in a randomized complete block design in two phases: Phase 1 from 0 to 2 wk and Phase 2 from 2 to 5 wk. The diets were corn-soybean meal-based with either sugar beet pulp (SBP) or soybean hulls (SBH) as a fiber source and either soybean oil (SBO) or choice white grease (CWG) as a lipid source in a 2 × 2 factorial arrangement. The BW and feed intake were determined by phase, whereas visceral organ weights, intestinal histology, and gut microbial composition were determined at the end of the trial. Dietary fiber solubility and lipid source did not interact (P > 0.05) on average daily feed intake and average daily gain across all phases. However, the gain to feed ratio (G:F) for CWG-containing diets was lower (P < 0.05) than that for SBO-containing diets for Phase 1. Also, G:F for SBP-containing diets was lower (P < 0.05) than that for SBH-containing diets for Phase 1 and for the entire study period. Pigs fed SBP-containing diets had greater (P < 0.05) stomach weight, and tended to have greater (P < 0.10) small and large intestine weights relative to BW than those fed SBH-containing diets. Duodenal villous height to crypt depth ratio for CWG-based diets tended to be greater (P = 0.09) than that for SBO-based diets. Fiber solubility and lipid source interacted (P < 0.05) on relative abundance of Bacteroides in the colon such that the relative abundance of the Bacteroides for CWG was greater (P < 0.05) than that for the SBO in SBP-based diet, but not in SBH-based diet. Relative abundance of Butyricicoccus in the colon for SBH-based diet was greater (P < 0.05) than that for SBP-based diet. In conclusion, inclusion of SBH instead of SBP in corn-soybean meal-based diets for weaned pigs can result in increased feed efficiency and relative abundance of Butyricicoccus in the colon, which is associated with improved gut health. Also, inclusion of SBO instead of CWG in the diets for weaned pigs can result in improved feed efficiency during Phase 1 feeding; however, the pigs may recover from the low feed efficiency induced by dietary inclusion of CWG instead of SBO after Phase 1 feeding.
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Affiliation(s)
- Jinsu Hong
- Department of Animal Science, South Dakota State University, Brookings, SD 57007, USA
| | - Saymore Petros Ndou
- Department of Animal Science, South Dakota State University, Brookings, SD 57007, USA
| | - Seidu Adams
- Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, SD 57007, USA
| | - Joy Scaria
- Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, SD 57007, USA
| | - Tofuko Awori Woyengo
- Department of Animal Science, South Dakota State University, Brookings, SD 57007, USA.,Department of Animal Science, Aarhus University, Blichers Allé 20, DK-8830, Tjele, Denmark
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