Studies using 15N have indicated that as much as 50% of the microbial mass turns over
before N passes to the lower gut, and this N recycling significantly decreases the availability …

A quantitative meta-analysis was applied on 90 publications and 169 comparisons dealing
with defaunation of the rumen (removal of protozoa from the rumen) in order to point out the …

A previously described mathematical model, that simulates the metabolic activities of rumen
bacteria and protozoa, was used to examine the contribution of protozoa to neutral …

A modified mathematical model is described that simulates the dynamics of rumen micro-
organisms, with specific emphasis on the rumen protozoa. The model is driven by …

Genetically selected beef cattle are fed high-energy diets in intensive production systems
developed in industrial countries. This type of feeding can induce rumen dysfunctions that …

Growing cultures of Fibrobacter succinogenes assimilated more ammonia than could be
accounted for by cellular protein, RNA, or DNA and released large amounts of nonammonia …

The flow of ciliate protozoa from the reticulo-rumen is significantly less than expected given
the total density of rumen protozoa present. To maintain their numbers in the reticulo-rumen …

The effects of defaunation on microbial activities in the rumen of sheep given mixed diets
(fresh Digitaria decumbens and concentrate) were studied. Eight faunated rams and eight …

Laboratory Streptococcus bovis strains and isolates obtained from a steer fed increasing
amounts of grain had similar growth characteristics, but they differed in their sensitivity to 2 …

Microbial protein (MBP) production plays a pivotal role in ruminant nutrition. Any
improvement in the quantitativeproduction of MBP in rumen can resolve simple to complex …