Concentration of hormones in the blood of heifers using the injection of neurotropic-metabolic drugs
Abstract
There is changes in progesterone, estradiol, and insulin in serum of blood of heifers, whom where in jected biologically active preparations neurotropic metabolic actions “Nanovulin- VHR” and “Stymulin-Vet” under skin near the plate-bone during sexual arousal after first insemination at 12 and 24 hours. Two times injection of drugs caused a significant inc rease of concentration of progesterone in blood of heifers on the seventh day and insulin on the second day of sexual cycle compared with control. Preparation “Nanovulin -VHR” also stimulated more allocation of estradiol on the seventh day of sexual cycle compared with control on 14,1% and the first researched group on 30,9%.
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