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УДК 619:615. 357:636.22/.28 DOI 10.33861/2071-8020-2024-6-19-20 Aliev A.A., Karpuschenko K.A. Summary. Minerals occupy an important place among nutritional factors. Since their content in feed depends on the biogeochemical properties of the soil, the deficiency of macro- and microelements in cattle feed is not always balanced and leads to serious disturbances of metabolic processes. In this regard, the development of modern feed additives in the form of premixes, briquettes and concentrates is relevant for livestock farming. The purpose of the researches is to study in production conditions the influence of environmentally friendly lick briquettes «Amirasol G(S)-Z» and «Amirasol G(S)-L» on the mineral status of the body of cows in the mountainous, biogeochemical province of Dagestan Republic. The experiments were carried out on cows of the Caucasian brown breed of the mountain biogeochemical province of Dagestan Republic, kept in the autumn-winter and spring-summer periods. From two selected groups: the control group (35 animals) was given the main diet, the experimental group (30) was given additional lick - briquettes. Each lick - briquette weighed 4000g. The use of environmentally friendly mineral briquettes - licks - «Amirasol G(S)-Z» and «Amirasol G(S)-L» in the diets of cows contributed to a significant increase in the blood serum of experimental cows of macroelements: potassium, sodium, magnesium, calcium, phosphorus, respectively, on 5.53; 23.46; 42.42; 17.18; 51.15%; trace elements: iron, zinc, manganese, copper, cobalt, iodine (SBI) and selenium, respectively, on 84.10; 128.63; 86.74; 78.62; 77.95; 88.86%, 31.30; compared to the control group. At the end of the experimental period, the cows of the experimental group showed complete normalization of biochemical parameters and clinical status, while in the control group the symptoms of macro- and microelementosis progressed. The data obtained show that metabolic disorders can be normalized by including feed additives in the form of mineral lick - briquettes into the diet of cows. Keywords: cows, blood, macro- and microelementoses, indicators of mineral metabolism, efficiency, environmentally friendly mineral lick briquettes Amirasol G(S)-Z and Amirasol G(S)-L, biogeochemical province. Author affiliation: Karpushchenko Karine A., Ph.D. in Veterinary Medicine, Leading Scientific Researcher of the Caspian Zonal Scientific Research Veterinary Institute; 88, Dakhadaeva st., Makhachkala, Republic of Dagestan, 367000; phone: 8-903-4235495, e-mail: pznivi@mail.ru. Responsible for correspondence with the editorial board: Aliev Abdulgamid A., D. Sc. in Biology, Chief Scientific Researcher of the Caspian Zonal Research Veterinary Institute; 88, Dakhadaeva st., Makhachkala, Republic of Dagestan, 367000; phone: 8-903-4274563; e-mail: gamid-utamish@mail.ru.
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