Progesterone concentration in peripheral blood of nutrias (Myocastor coypus) during ontogenesis, sexual cycle, gravidity and lactation
1991
Barta, M. | Jakubicka, I. (Vyskumny Ustav Zivocisnej Vyroby, Nitra (CSFR))
The progesterone concentration during the ontogenesis was highest in the 1st month of age (4.63 - 10.33 ng.ml-1, the average 7.01 ng.ml-1) with tendency of successive decrease till the stage of sexual maturity. The absolute quantity of progesterone in 33-day cycle of sampling was low (up to 1 ng.ml-1). Progesterone level of pregnant nutria reached the top between the 14th and 15th week of gravidity (12.50 - 20.72 ng.ml-1) and it decreased close before delivery, while in the intact coypus females it achieved only 0.09 - 3.18 ng.ml-1.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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