Effects of dietary protein and energy restriction on lactating beef cows.
作者信息
Zahra S A, Topps J H, Miller T B
出版信息
Nutr Metab. 1977;21 Suppl 1:173-4. doi: 10.1159/000176151.
PMID:562491
Abstract
摘要
Zahra S A, Topps J H, Miller T B
Nutr Metab. 1977;21 Suppl 1:173-4. doi: 10.1159/000176151.
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