The mechanism of passage of endogenous urea through the rumen wall and the role of ureolytic epithelial bacteria in the urea flux

K. J. Cheng, R. J. Wallace

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

1. The rumen urea concentration in gnotobiotic lambs lacking ureolytic bacteria was equal to that of blood. 2. Bacterial urease (EC 3.5.1.5) activity in sheep fed by intraruminal and intra-abomasal infusion was inversely related to rumen ammonia concentration. 3. A model is proposed for the facilitation and control of urea flux by wall-found ureolytic bacteria.
Original languageEnglish
Pages (from-to)553-557
Number of pages5
JournalBritish Journal of Nutrition
Volume42
Issue number3
DOIs
Publication statusPublished - Nov 1979

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Rumen
Urea
Germ-Free Life
Bacteria
Urease
Ammonia
Sheep

Cite this

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