发明授权
US4937083A Feed additive for ruminants 失效
反刍动物饲料添加剂

Feed additive for ruminants
摘要:
A feed additive for ruminants, which comprises core containing a carbamate of a basic amino acid and coated with a polymer coating agent soluble or swellable in water in an acidic region of a pH of at most 5.
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