| 摘要 |
Disclosed is a method for improving the productivity of calves by supplementing ration thereof with the biologically active additive Probio-active. It comprises: Bacillus subtilis strain V-4007L – 1.0-10CFU/g, vitamins: BB, B, carotenoids, A, E; amino acids: lysine, hystidine, arginine, threonine, valine, methionine, isoleucine, leucine, phenylalanine; natural adsorbent mineral zeolite as a filler. |
