[Endocrine regularities of folliculogenesis formation in donor cows embryos]
Letkevich, L.L.(Grodno State Agrarian Univ. (Belarus)) | Gandzha, A.I. | Golubets, L.V.(Institute of Animal Production, Zhodino (Belarus))
Correlation analysis of hormones secretion of hypophysis, ovaries, adrenal gland and thyroid in spontaneous and superovulating cycles of donor cows as well as between hormones and level of superovulation depending on the follicle stimulating type of medication was made. It was found out that high level of polyovulation is connected with testosterone and estradiol positive correlation (r = 0,42; P 0,01). The dependence between the quantity of ovulations and the content of testosterone on the zero day of spontaneous cycle (r
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