Analysis of health condition, milk production and reproduction of cows when using in rations food additives based on needles

In order to increase the productivity of dairy cows and maintain their health, the search for complex food additives with multifactorial positive properties is continuously carried out. A scientific and economic experiment of a new food additive based on needles developed by the technical and research centre “Khiminvest” has been conducted. The experiment has been conducted by the method of groups-analogues on highly productive cows. Food additive based on pine needles has had a positive impact on milk productivity, milk protein content, carotene and nonspecific immunity, as well as individual indicators of reproduction. The effectiveness of the additive has been 29.50 rubles per 1 cow a day.