Learn more about the role of rumen microorganisms and their impact on the host’s performance and health


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By Robert D. Stewart, Marc D. Auffret, Amanda Warr, Andrew H. Wiser, Maximilian O. Press, Kyle W. Langford, Ivan Liachko, Timothy J. Snelling, Richard J. Dewhurst, Alan W. Walker, Rainer Roehe & Mick Watson

This article presents 913 draft bacterial and archaeal genomes from 43 Scottish cattle. Most of these genomes were previously unsequenced... Read

By M.R. Carvalho, F. Peñagaricano, J.E.P. Santos, T.J. DeVries, B.W. McBride, E.S. Ribeiro

Read more about how researchers evaluated 7,500 lactating cows to evaluate the long-term effects of disease during the early postpartum... Read

By A. Bach, A. López-García, O. González-Recio, G. Elcoso, F. Fàbregas, F. Chaucheyras-Durand, M. Castex

In this study, researchers made innovative use of endoscopy to sample rumen and colon tissues. This technique offered a unique perspective... Read

By A.J. Fischer, C. Villot, J.K. van Niekerk, T.T. Yohe, D.L. Renaud, M.A. Steele

Feeding sufficient amounts of colostrum in the first 24 hours of life is well-known to be vital for calf health. Less is known about... Read

By Mohammed Anouar Belaid, Maria Rodriguez-Prado, Eric Chevaux, Sergio Calsamiglia

In large, intensive beef production systems, the identification of sick animals can be difficult. Activity monitors may be able to... Read

By V. Ouellet, J. Laporta, G.E. Dahl

Heat stress during the dry period has dramatic negative impacts on the cow and her offspring. Cows that experience heat stress in late... Read

By M. Devant, G. B. Penner, S. Marti, B. Quintana, F. Fábregas, A. Bach, and A. Arís

Do cattle get “hangry” too? For some humans, lack of satisfying food options can negatively affect their mood and behavior. This... Read

By Erin E. Connor, Ransom L. Baldwin VI, Cong-jun Li, Robert W. Li, Hoyoung Chung

In this study, molecular markers of rumen development and gene networks regulating the rumen epithelium were identified. Read

By D.M. Bickhart, P.J. Weimer

In the future, we may be able to estimate dairy production using a “genotype × environment × microbial” interaction model that... Read

By Trevor J.DeVries

This research from the University of Guelph shows how the feeding behavior of dairy cows — including how, when and what cows eat... Read

By Thiago F. Fabris, Jimena Laporta, Amy L. Skibiel, Fabiana N. Corra, Bethany D. Senn, Stephanie E. Wohlgemuth, Geoffrey E. Dahl

This study from the University of Florida, Gainesville, found that cooling for the entire dry period increased milk yield up to 30... Read

By J H McCaughern, A M Mackenzie, L A Sinclair

The results of a study in 60 Holstein-Friesian dairy cows highlight the need to take account of dietary effects on rumen pH when deciding... Read

The cornerstone of ruminant health and performance is the rumen, where forage and feed are converted into energy and microbial protein thanks to the activity of the rumen microflora: bacteria, protozoa and fungi.

When the rumen microbiota is challenged, a ruminal microbial imbalance occurs which impairs fiber digestion, increases acidosis risk, and may trigger inflammation which negatively impacts digestive comfort and well-being.