DYNAMIC OF SEXUAL HORMONS IN COWS, ANTE AND POST PARTUM
Keywords:
cows, estrogens, progesterone, gestation, puerperal periodAbstract
The purpose of this paper was to study the hormones, estrogens (estradiol - E) and
progesterone (P) levels modification during gestation and puerperal period, in
Romanian Black and White dairy cows, with normal gestations and parturitions and
to determine the postpartum start of cyclic ovarian activity and heat manifestation.
The hormonal profile, dosing the estrogens and progesterone from sanguine serum
was determined using the Estrogen and Progesterone Test Kit. The analyses were
done weekly, in the last 2 month of gestation and 1 month after parturition.
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