Comparative studies to establish the effectiveness of various urea concentrates as nitrogen source for early weaned fattening lambs
Aleksiev, A, Kr"steva, E, Tenev, Kh. (Vissh Institut po Zootekhnika i Veterinarna Meditsina, Stara Zagora (Bulgaria))
Published in Zhivotnov"dni Nauki (Bulgaria) (1978)
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Published in Zhivotnov"dni Nauki (Bulgaria) (1978)
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