| 摘要 |
<p>"DEPOSIT DEVICE FOR DELIVERING BIOLOGICALLY ACTIVE SUBSTANCES TO THE DIGESTIVE TRACT AND METHOD OF USING SAME." A deposit device for delivering a biologically active substance to the rumen or reticulum of ruminants comprises a cylindrical body portion (1), having circular flanges (2) of rounded periphery, loaded with an active substance (3). The specific gravity of the loaded device (1, 2, 3) should be at least 2.</p> |
