2023, № 103

UDC: 636.22./28.084:612.1
GSNTI: 68.39.15

New generation antioxidants in the diets of highly productive cows influence on the stability of ketogenesis in the body

The purpose of the work is to study the effect of a new energy supplement in the composition of "protected" fat, in combination with dihydroquercetin and arabinogalactan and a foreign analogue on the efficiency of energy and protein use of diets in feeding highly productive cows. Under the conditions of the dairy farm of the Kolos CJSC of the Tikhoretsky district of the Krasnodar Territory, a scientific and economic experiment was carried out according to the standard method on three cows groups (14 heads in each) of the black-and-white breed of the second department with an average daily productivity of 18-20 kg. In the experimental groups (n=14) of highly productive cows, we studied the effectiveness of energy supplements: domestic - developed at the Federal State Budgetary Scientific Institution Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine, and a foreign analogue against the background of energy deficiency. Due to the use of energy supplements during the first phase of lactation (120 days), 750 and 1080 liters of milk were additionally obtained or higher by 21.7 and 31.25% than from the cows of the control group. The efficiency of the additive which we developed turned out to be 8% higher than the foreign analogue. In the control group, for the production of 1 kg basic fat content milk 2.99 MJ and 55.25 g of protein were spent and 2.80 MJ and 45.40 g of protein, respectively, in the foreign group. According to the content of ketone bodies in the milk and blood of animals in the control group, it can be concluded that they were in the stage of subclinical ketosis. Biochemical studies of the cow’s blood showed that the control group animals had lower glucose content due to the lack of energy in the body, which is the reason for glucogenesis inclusion. From the foregoing it follows that the content of ketone bodies in the cow’s milk was less by 82% than in the milk of the control group cows; it is more effective than the foreign one, as evidenced by the data obtained.
Keywords: Dihydroquercetin, arabinogalactan, ketosis, highly productive cows, milk yield, “Maximizer” feed additive.
DOI: 10.21515/1999-1703-103-226-231

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Authors:

Omarov Mahmud Omarovich, Leading Researcher, Professor, FSBSI "Krasnodar Researcher Centre for Animal Husbandry and Veterinary Medicine"; Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
Danilova Alexandra Alexandrovna, researcher, FSBSI “Krasnodar Researcher Centre for Animal Husbandry and Veterinary Medicine”.