Efficiency of using epibrassinolide in the induction of superovulation in donor cows
Abstract
Drugs for stimulation of estrus in animals should be relatively harmless, i.e. rapidly excreted from the body, have a high therapeutic effect and be economically available. All these properties are possessed by phytogenic drugs, one of which is the synthetic steroid hormone epibrassinolide. The research examined its effect on dominant follicle atresia to initiate a new wave of ovarian follicle growth in donor cows and subsequent gonadotropic induction of superovulation. It was found that the inclusion of epibrassinolide in the superovulation induction regimen for donor cows significantly increased the yield of usable embryos by 0.5 with a simultaneous decrease of 0.17 cells unsuitable for embryo transplantation. Fertilization after using the phytohormone increased by an average of 3.0 percentage points. In this regard, it is recommended to include epibrassinolide solution in the hormonal treatment regimen for donor cows to induce dominant follicle atresia and initiate a new wave of follicle growth and subsequently increase the yield of embryos suitable for transplantation.
About the Author
S. N. Paitserau
Scientific and Practical Center of the National Academy of Sciences of Belarus for Animal Breeding
Belarus
Belarus
Zhodino
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For citations:
Paitserau S.N. Efficiency of using epibrassinolide in the induction of superovulation in donor cows. Zootechnical Science of Belarus. 2025;60(1):47-55. (In Russ.)
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