Phyto supplements in feeding of calves

The article presents data on the study of the effect of phytoadditives from sandy sainfoin (onobrychis arenaria) on the dynamics of live weight of young cattle in the dairy period. And also analyzed the biochemical parameters of blood and the natural resistance of the organism of animals. As a result of feeding the herbal supplement, a better development of heifers of the experimental groups was observed compared to the control group.