The optimum content and ratio of essential micronutrients in animal’s body provides normal course of physiological functions of the organism, high resistance and productivity. 4 experimental groups were formed by the results of the study of conditioned-reflex activity. During study we determined effectiveness of feed additive “Germatsink” used for the correction of mineral metabolism of cows with different types of higher nervous activity. The cows of the experimental group received the feed additive “Germatsink” at a dose of 10 ml/day for ten days. After feed additive application from the 10 to the 30 day of the study, the content of zinc in the blood cells of cows with SBM, SBI, SU and weak type of HNA increased by 8,3 % (p <0,05), 11,6 % (p < 0,05), and 16,1 % (p <0,001). Application of the feed additive “Germatsink” to animals with SBM, SBI, and SU type of HNA was accompanied by an increase in transmembrane potential from the 10th to the 30th day of the study by 7,9– 12,7 % (p <0,05). After application of the feed additive “Germatsink”, the content of copper in the serum within 45 days after the beginning of the study in animals with SBM, SBI, SU and weak type of HNA increased respectively by 1,5 %, 4,4 %, 7,8 % (p <0,05) and 3,9 % compared to these indices before the preparation was given. Therefore, the study show that the application of feed additive “Germatsink” has correcting effect on the content of some micronutrients in the blood of animals with different types of higher nervous activity
types of higher nervous activity, feed additive, Germatsink, zinc, copper, micronutrients
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