Comparison of urea and protein meals as nitrogen sources for rumen microorganisms: urea utilization and cellulose digestion

Belasco, I.J.

J. Anim. Sci 13: 739-747


DOI: 10.2527/jas1954.134739x
Accession: 013667602

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The authors compared, in vitro, urea with meals prepared from soya bean, cottonseed and maize gluten, as nitrogen sources promoting the digestion of cellulose by micro-organisms. The utilization of urea in equal mixtures with various feed proteins was very efficient and its presence in such mixtures improved cellulose digestion above that observed with the feed proteins alone.