共 12 条
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Influence of Peptides, Amino Acids and Urea on Microbial Activity in the Rumen of Sheep Receiving Grass Hay and on the Growth of Rumen Bacteria in Vitro. Cruz Soto R,et al. Animal Feed Science and Technology . 1994
[12]
The nitrogen metabolism of pure cultures of ruminal bacteria.U. Bryant MP. S. D. A. ARS . 1961