Scientific journal
Scientific Review. Biological science
ISSN 2500-3399
ПИ №ФС77-57454

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ADRENOBLOKATORS «OBZIDAN» INFLUENCE ON DAIRY EFFICIENCY AND QUALITY INDICATORS OF MILK

Arbuzov I.N. 1 Masalov V. N. 1 Chervonova I.V. 1 Abramkova N.V. 1
1 Federal State Educational Establishment of Higher Professional Training “Orel State Agrarian University”
It is well-known that antagonists of sexual hormones are stress hormones – catecholamines. The preparations relating to adrenoblokator can have stimulating impact on dairy efficiency, improving thus quality indicators of milk, by decrease in negative effect of adrenaline on the hormones participating in lactation. One of such preparations is obzidan with active ingredient – propranolol. In work adrenoblokator influence “Obzidan” on yields of milk cows black pied holstein breed and the content in fat and protein milk depending on a dose of the preparation entered into a diet of animals is considered. As a result of researches it is under production conditions proved that inclusion adrenoblokator obzidan in forages cows black pied holstein breed during the period from отела before arrival to hunting promotes increase of dairy efficiency for 24,70 % and 13,77 %, and also to increase of quality indicators of milk: squirrel for 0,1% and 0,14 %, and fat for 0,17 % and 0,21 %.