
Photos of Rumen Development
By PennState Extension Dairy Team
Calf feeding strategy has a great influence on rumen development. This series of photos show the rumen development of calves at different age and on various feeding strategies.
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... ReadBy 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... ReadBy 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... ReadBy 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... ReadBy 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... ReadBy 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... ReadBy 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... ReadBy 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. ReadBy 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... ReadBy 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... ReadBy 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... ReadBy 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