COMPARATIVE EVALUATION OF THE EFFICIENCY OF MINERAL PRODUCTS "PHARMASOL R-Z" AND"PHARMASOL R-L" USED IN COW'S DIETS
The article provides the results of a comparative study of the effect of "Pharmasol R-Z" and "Pharmasol R-L" products on lactation performance, milk fat percentage, live weight of calves at birth and incidence rate of obstetrics and gynecological diseases in cows.