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Standish RB, Wright AD, Whitehouse NL, Erickson PS. Effect of nicotinic acid supplementation on digestion, metabolism, microbiome, and production in late-lactation Holstein cows. J Dairy Sci 2024:S0022-0302(24)00832-4. [PMID: 38825100 DOI: 10.3168/jds.2023-24483] [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: 11/28/2023] [Accepted: 04/16/2024] [Indexed: 06/04/2024]
Abstract
The purpose of this experiment was to determine if nicotinic acid (NA) effects on dairy cows and rumen microbial characteristics are forage type dependent (corn silage, CS; grass silage, GS). Four late lactation (days in milk = 225 +/- 12 d) Holstein cows were used in a 4 × 4 Latin square design with a 2 × 2 factorial arrangement of treatments. The main effects were a CS (66.10% CS) based diet or a GS (79.59%) based diet with or without 12 g/d NA. Each experimental period lasted for 28 d. Milk production and milk components, blood metabolites, apparent total-tract nutrient digestibilities, minutes rumen pH were below 5.8 as an indicator of ruminal acidosis, and body temperature changes were analyzed as indicators of heat stress. Nicotinic acid supplementation did not improve apparent total-tract nutrient digestibility. Feeding a GS-based diet improved NDF and hemicellulose digestibility. Feeding a CS-based diet increased the apparent total-tract digestibility of fat, and minutes rumen pH below 5.8 for a greater proportion of the time. The CS-based diet also improved milk yield, milk fat and protein yields, and energy-corrected milk yield; however, somatic cell count and BHB were also increased. Supplementing NA tended to decrease nonesterified fatty acids, especially when combined with GS where DMI was low. There was a trend for the total protozoa population to increase when GS and NA were fed but decreased when CS and NA were fed. Nicotinic acid tended to decrease rumen protozoal populations of Dasytricha, but increased populations of Ophryoscolex and Diplodiniinae with GS diets and decreased with CS diets. Entodiniinae were increased with CS but NA had no effect. Body temperature was increased when a CS-based diet was fed when compared with a GS-based diet. More research is needed to determine how NA can affect rumen microbial protein synthesis and what kind of diets will provide the optimum effect.
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Affiliation(s)
- R B Standish
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham, New Hampshire 03824
| | - A D Wright
- Office of the Vice-President and Provost, University of Oklahoma, Norman, Oklahoma 73019
| | - N L Whitehouse
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham, New Hampshire 03824
| | - P S Erickson
- Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham, New Hampshire 03824.
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Daghio M, Ciucci F, Buccioni A, Cappucci A, Casarosa L, Serra A, Conte G, Viti C, McAmmond BM, Van Hamme JD, Mele M. Correlation of Breed, Growth Performance, and Rumen Microbiota in Two Rustic Cattle Breeds Reared Under Different Conditions. Front Microbiol 2021; 12:652031. [PMID: 33995309 PMCID: PMC8117017 DOI: 10.3389/fmicb.2021.652031] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 03/19/2021] [Indexed: 01/04/2023] Open
Abstract
The use of rustic cattle is desirable to face challenges brought on by climate change. Maremmana (MA) and Aubrac (AU) are rustic cattle breeds that can be successfully used for sustainable production. In this study, correlations between two rearing systems (feedlot and grazing) and the rumen microbiota, the lipid composition of rumen liquor (RL), and the growth performance of MA and AU steers were investigated. Bacterial community composition was characterized by high-throughput sequencing of 16S rRNA gene amplicons, and the RL lipid composition was determined by measuring fatty acid (FA) and the dimethyl acetal profiles. The main factor influencing bacterial community composition was the cattle breed. Some bacterial groups were positively correlated to average daily weight gain for the two breeds (i.e., Rikenellaceae RC9 gut group, Fibrobacter and Succiniclasticum in the rumen of MA steers, and Succinivibrionaceae UCG-002 in the rumen of AU steers); despite this, animal performance appeared to be influenced by short chain FAs production pathways and by the presence of H2 sinks that divert the H2 to processes alternative to the methanogenesis.
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Affiliation(s)
- Matteo Daghio
- Dipartimento di Scienze e Tecnologie Agrarie Alimentari Ambientali e Forestali, University of Florence, Florence, Italy
| | - Francesca Ciucci
- Dipartimento di Scienze Agrarie, Alimentari e Agro-ambientali, University of Pisa, Pisa, Italy
| | - Arianna Buccioni
- Dipartimento di Scienze e Tecnologie Agrarie Alimentari Ambientali e Forestali, University of Florence, Florence, Italy
| | - Alice Cappucci
- Dipartimento di Scienze Agrarie, Alimentari e Agro-ambientali, University of Pisa, Pisa, Italy.,Centro di Ricerche Agro-ambientali "E. Avanzi", University of Pisa, Pisa, Italy
| | - Laura Casarosa
- Dipartimento di Scienze Agrarie, Alimentari e Agro-ambientali, University of Pisa, Pisa, Italy
| | - Andrea Serra
- Dipartimento di Scienze Agrarie, Alimentari e Agro-ambientali, University of Pisa, Pisa, Italy.,Centro di Ricerche Agro-ambientali "E. Avanzi", University of Pisa, Pisa, Italy
| | - Giuseppe Conte
- Dipartimento di Scienze Agrarie, Alimentari e Agro-ambientali, University of Pisa, Pisa, Italy.,Centro di Ricerche Agro-ambientali "E. Avanzi", University of Pisa, Pisa, Italy
| | - Carlo Viti
- Dipartimento di Scienze e Tecnologie Agrarie Alimentari Ambientali e Forestali, University of Florence, Florence, Italy
| | - Breanne M McAmmond
- Department of Biological Sciences, Thompson Rivers University, Kamloops, BC, Canada
| | - Jonathan D Van Hamme
- Department of Biological Sciences, Thompson Rivers University, Kamloops, BC, Canada
| | - Marcello Mele
- Dipartimento di Scienze Agrarie, Alimentari e Agro-ambientali, University of Pisa, Pisa, Italy.,Centro di Ricerche Agro-ambientali "E. Avanzi", University of Pisa, Pisa, Italy
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Bailoni L, Carraro L, Cardin M, Cardazzo B. Active Rumen Bacterial and Protozoal Communities Revealed by RNA-Based Amplicon Sequencing on Dairy Cows Fed Different Diets at Three Physiological Stages. Microorganisms 2021; 9:754. [PMID: 33918504 PMCID: PMC8066057 DOI: 10.3390/microorganisms9040754] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/29/2021] [Accepted: 04/01/2021] [Indexed: 12/12/2022] Open
Abstract
Seven Italian Simmental cows were monitored during three different physiological stages, namely late lactation (LL), dry period (DP), and postpartum (PP), to evaluate modifications in their metabolically-active rumen bacterial and protozoal communities using the RNA-based amplicon sequencing method. The bacterial community was dominated by seven phyla: Proteobacteria, Bacteroidetes, Firmicutes, Spirochaetes, Fibrobacteres, Verrucomicrobia, and Tenericutes. The relative abundance of the phylum Proteobacteria decreased from 47.60 to 28.15% from LL to DP and then increased to 33.24% in PP. An opposite pattern in LL, DP, and PP stages was observed for phyla Verrucomicrobia (from 0.96 to 4.30 to 1.69%), Elusimicrobia (from 0.32 to 2.84 to 0.25%), and SR1 (from 0.50 to 2.08 to 0.79%). The relative abundance of families Succinivibrionaceae and Prevotellaceae decreased in the DP, while Ruminococcaceae increased. Bacterial genera Prevotella and Treponema were least abundant in the DP as compared to LL and PP, while Ruminobacter and Succinimonas were most abundant in the DP. The rumen eukaryotic community was dominated by protozoal phylum Ciliophora, which showed a significant decrease in relative abundance from 97.6 to 93.9 to 92.6 in LL, DP, and PP, respectively. In conclusion, the physiological stage-dependent dietary changes resulted in a clear shift in metabolically-active rumen microbial communities.
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Affiliation(s)
- Lucia Bailoni
- Department of Comparative Biomedicine and Food Science (BCA), University of Padova, Viale dell’Universitá 16, 35020 Legnaro, PD, Italy; (L.C.); (M.C.); (B.C.)
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Firkins JL, Yu Z, Park T, Plank JE. Extending Burk Dehority's Perspectives on the Role of Ciliate Protozoa in the Rumen. Front Microbiol 2020; 11:123. [PMID: 32184759 PMCID: PMC7058926 DOI: 10.3389/fmicb.2020.00123] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 01/20/2020] [Indexed: 01/22/2023] Open
Abstract
Dr. Burk Dehority was an international expert on the classification and monoculture of ruminal ciliated protozoa. We have summarized many of the advancements in knowledge from his work but also in his scientific way of thinking about interactions of ruminal ciliates with the entire rumen microbial community and animal host. As a dedication to his legacy, an electronic library of high-resolution images and video footage catalogs numerous species and techniques involved in taxonomy, isolation, culture, and ecological assessment of ruminal ciliate species and communities. Considerable promise remains to adapt these landmark approaches to harness eukaryotic cell signaling technology with genomics and transcriptomics to assess cellular mechanisms regulating growth and responsiveness to ruminal environmental conditions. These technologies can be adapted to study how protozoa interact (both antagonism and mutualism) within the entire ruminal microbiota. Thus, advancements and limitations in approaches used are highlighted such that future research questions can be posed to study rumen protozoal contribution to ruminant nutrition and productivity.
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Affiliation(s)
- Jeffrey L Firkins
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States
| | - Zhongtang Yu
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States
| | - Tansol Park
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States
| | - Johanna E Plank
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States
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Bainbridge ML, Saldinger LK, Barlow JW, Alvez JP, Roman J, Kraft J. Alteration of Rumen Bacteria and Protozoa Through Grazing Regime as a Tool to Enhance the Bioactive Fatty Acid Content of Bovine Milk. Front Microbiol 2018; 9:904. [PMID: 29867815 PMCID: PMC5951984 DOI: 10.3389/fmicb.2018.00904] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 04/18/2018] [Indexed: 12/27/2022] Open
Abstract
Rumen microorganisms are the origin of many bioactive fatty acids (FA) found in ruminant-derived food products. Differences in plant leaf anatomy and chemical composition between cool- and warm-season pastures may alter rumen microorganisms, potentially enhancing the quantity/profile of bioactive FA available for incorporation into milk. The objective of this study was to identify rumen bacteria and protozoa and their cellular FA when cows grazed a warm-season annual, pearl millet (PM), in comparison to a diverse cool-season pasture (CSP). Individual rumen digesta samples were obtained from five Holstein cows in a repeated measures design with 28-day periods. The treatment sequence was PM, CSP, then PM. Microbial DNA was extracted from rumen digesta and sequence reads were produced with Illumina MiSeq. Fatty acids (FA) were identified in rumen bacteria and protozoa using gas-liquid chromatography/mass spectroscopy. Microbial communities shifted in response to grazing regime. Bacteria of the phylum Bacteroidetes were more abundant during PM than CSP (P < 0.05), while protozoa of the genus Eudiplodinium were more abundant during CSP than PM (P < 0.05). Microbial cellular FA profiles differed between treatments. Bacteria and protozoa from cows grazing CSP contained more n-3 FA (P < 0.001) and vaccenic acid (P < 0.01), but lower proportions of branched-chain FA (P < 0.05). Microbial FA correlated with microbial taxa and levels of vaccenic acid, rumenic acid, and α-linolenic acid in milk. In conclusion, grazing regime can potentially be used to alter microbial communities shifting the FA profile of microbial cells, and subsequently, alter the milk FA profile.
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Affiliation(s)
- Melissa L Bainbridge
- Department of Animal and Veterinary Sciences, University of Vermont, Burlington, VT, United States
| | - Laurel K Saldinger
- Department of Animal and Veterinary Sciences, University of Vermont, Burlington, VT, United States
| | - John W Barlow
- Department of Animal and Veterinary Sciences, University of Vermont, Burlington, VT, United States
| | - Juan P Alvez
- Center for Sustainable Agriculture, University of Vermont, Burlington, VT, United States
| | - Joe Roman
- Gund Institute for Ecological Economics, University of Vermont, Burlington, VT, United States
| | - Jana Kraft
- Department of Animal and Veterinary Sciences, University of Vermont, Burlington, VT, United States
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