| 摘要 |
<p>Rumen-bypass preparations for ruminants wherein ecologically safe substances derived from natural products are used as a protective material and which contain a high concentration of biologically active substances and can be prepared at a low cost. The preparation comprises 50-90 wt.% of biologically active substances dispersed in a protective material comprising a mixture of specified aliphatic carboxylic acid salt and a fatty acid or alcohol in a ratio ranging from 30:70 to 10:90.</p> |
