| 摘要 |
PURPOSE:To obtain the title additive having a water content below a specific value, protecting a biologically active substance from a fermentation field in rumen, releasing and absorbing said substance in digestive organs in and after abomasum, comprising a pharmaceutical preparation obtained by dispersing a biologically active substance into a specific protective matrix, and coating and protecting. CONSTITUTION:The objective additive which comprises a pharmaceutical preparation obtained by dispersing a biologically active substance (e.g. amino acids, lysine hydrochloride or vitamins) into a protective matrix consisting of a metallic salt of fatty acid (preferably calcium salt of 8-22C fatty acid) alone or essentially of the metallic salt of fatty acid, coating and protecting, and having <=2wt.% water content. |
