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外文期刊>The British Journal of Nutrition
>Protein nutrition of growing lambs: 2. Effect on nitrogen digestion of supplementing a low-protein-cellulosic diet with either urea, casein or formaldehyde-treated casein
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Protein nutrition of growing lambs: 2. Effect on nitrogen digestion of supplementing a low-protein-cellulosic diet with either urea, casein or formaldehyde-treated casein