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


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By Jörg R. Aschenbach, Qendrim Zebeli, Amlan K. Patra, Gabriele Greco, Salah Amasheh, Gregory B. Penner

The ruminal epithelium is the main site for absorption of key nutrients and electrolytes. Yet, the absorptive function has to be highly... Read

By E H Cabezas-Garcia, A W Gordon, C P Ferris

An altered metabolic state is common in high-yielding dairy cows during early lactation. A study in the United Kingdom set out to determine... Read

By R Roehe, M Martínez-Álvaro, M D Auffret, C-A Duthie, R D Stewart, M Watson, R J Dewhurst

The use of relative rumen microbial gene abundances to estimate meat fatty acids profiles has great potential as proxy traits for breeding.... Read

By Yanfen Cheng, Ying Wang, Yuanfei Li, Yipeng Zhang, Tianyi Liu, Yu Wang, Thomas J. Sharpton, Weiyun Zhu

This study evaluates the degradation pattern of rice straw by ruminal bacteria and identifies the bacteria that colonize rice straw... Read

By Jun-hua Liu, Ting-ting Xu, Yu-jie Liu, Wei-yun Zhu, Sheng-yong Mao

This study in goats demonstrated a high-grain diet caused profound ruminal epithelial cellular damage and changes in tight junctions,... Read

By S.L. Gelsinger, W.K. Coblentz, G.I. Zanton, R.K. Ogden, M.S.Akins

Calves undergo a process of rumen development before, during and after weaning. Researchers are still seeking to understand the rumen... Read

By Marie Alvergnas, Tomasz Strabel, Katarzyna Rzewuska, Ewa Sell-Kubiak

Laminitis-related and infectious claw disorders often cause a decrease in milk yield. Claw disorders are also responsible for reproduction... Read

By J.K. van Niekerk, M. Middeldorp, M.A. Steele

This study helps develop a methodology for biopsying the rumen and colon in ruminant animals.  Read

By Amy L. Skibiel, Bethany Dado-Senn, Thiago F. Fabris, Geoffrey E. Dahl, Jimena Laporta

Milk yield is significantly lower in first-lactation heifers that experienced fetal heat stress. This study examines how the development... Read

By Robin R. White, Mary Beth Hall, Jeffrey L. Firkins, Paul J. Kononoff

This study by U.S. researchers quantifies the links between neutral detergent fiber (NDF) intake, diet particle size and ruminal pH. Read

By M. Verdú, A. Bach, M. Devant

This study evaluates the effect of concentrate presentation on ruminant feeding behavior. Read

By K.A.Beauchemin

In this paper, the authors compiled a comprehensive understanding of the dietary, animal, and management factors that affect eating... 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.