Changes in nitrogen compounds in the rumen, digestibility of nutrients and nitrogen balance in sheep given urea as almost the only source of nitrogen

Rusiecka, I.; Wolszczak, J.

Zeszyty Problemowe Postepow Nauk Rolniczych 126: 87-92


ISSN/ISBN: 0084-5477
Accession: 000037370

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Adult wethers were fed for 8 months on a semisynthetic diet with urea as the main source of N. Rumen contents were taken at different times before and after feeding. The concentration of protein N in rumen fluid rose immediately after eating; total N and ammonia N also rose. Urea in the diet did not significantly influence digestibility of feed components and N utilisation. Bodyweight of the wethers was unchanged throughout the trial.