Productivity increase of dairy cows using adaptogenic feed additive

DOI 10.33861/2071-8020-2021-2-13-15

Rud E.N., Kuzminova E.V., Semenenko M.P., Lazarevich L.V., Kaloshkin I.V.

Summary. Economic efficiency of dairy farming depends on many factors, including climate. At ambient temperatures above comfortable values, animals experience heat stress - an imbalance between the intake of heat from the environment and its release by the body. Hyperthermia triggers a cascade of pathophysiological changes in the body of cows, which lead to a decrease in milk yields, a decrease in reproduction, and an increase in livestock mortality. The article presents the results of studying the influence of feed additive flavobetin on milk production of cows in conditions of heat stress. The main active ingredients of the feed additive are betaine, taurine and the grass of the common turnip. The experiments were carried out in the livestock farm of Krasnodar region on Holstein cows, from which two groups were formed (experimental and control) of 10 heads each. Animals were selected, ranked according to the physiological state, the results of the clinical examination, the morpho-biochemical profile of the blood. During the hottest month of summer - July (taking into account the calculated temperature and humidity index), animals of the experimental group were given a daily feed supplement at a dose of 50 g per head, the second group served as an intact control. As a result, it was found that the milk productivity of cows treated with flavobetin was 12% higher than the control analogues. The feed additive has a preventive effect on reducing the fat content and protein content of milk in conditions of heat stress. It was found that when the ambient temperature increased, the number of somatic cells in cow milk increased, and the use of flavobetin contributed to the optimization of this indicator with a significant difference of 17.5% compared to the control analogues.

Keywords: betaine, hyperthermia, feed additive, cows, metabolism, milk productivity, prevention, heat stress, pharmacological correction, flavobetin.

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Author affiliation:

Kuzminova Elena V., D.Sc. in Veterinary Medicine, docent, leading scientific researcher of the Department of Pharmacology of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 1, 1-ya Liniya st., Krasnodar, 350004; phone: 8-918-4198369; e-mail: niva1430@mail.ru.

Semenenko Marina P., D.Sc. in Veterinary Medicine, docent, Head of the Department of Pharmacology of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 1, 1-ya Liniya st., Krasnodar, 350004; phone: 8-918-4612663; е-mail: sever291@mail.ru.

Lazarevich Lyubov V., postgraduate student of the Department of Pharmacology of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 1, 1-ya Liniya st., Krasnodar, 350004; phone: 8-918-9979154; e-mail: lazarewicht@mail.ru.

Kaloshkin Igor V., postgraduate student of the Department of therapy and pharmacology of the Kuban State Agrarian University named after I.T. Trubilin; 13, Kalinina st., Krasnodar, 350044; phone: 8-918-2513000; e-mail: kaloshkinigor@mail.ru.

Responsible for correspondence with the editorial board: Rud Ekaterina N., postgraduate student of the Department of Pharmacology of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 1, 1-ya Liniya st., Krasnodar, 350004; phone: 8-918-9590349; e-mail: rudkaterina@bk.ru.