Follicular growth and estradiol concentrations in foaling and nonparturient mares

Plasma estradiol concentration and follicular development were evaluated daily during the first postpartum estrus and the subsequent cycle of five foaling mares. For comparison, one estrous cycle was monitored in the same fashion for five nonparturient mares. The first postpartum estrous cycles were...

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Bibliographic Details
Published in:Journal of equine veterinary science 2000, Vol.20 (4), p.266-268
Main Authors: Renaas, Koyla G., King, Sheryl S., Nequin, Lynn G.
Format: Article
Language:English
Subjects:
estradiol
estrous cycle
foaling
growth
mares
ovarian follicles
ovulation
postpartum interval
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Summary:Plasma estradiol concentration and follicular development were evaluated daily during the first postpartum estrus and the subsequent cycle of five foaling mares. For comparison, one estrous cycle was monitored in the same fashion for five nonparturient mares. The first postpartum estrous cycles were shorter but similar to non-pregnant cycles in ovarian steroid production and follicular activity. However, estradiol production from postpartum follicles was lower per mm follicular diameter than from follicles in nonpregnant cycles (p
ISSN:0737-0806
1542-7412
DOI:10.1016/S0737-0806(00)80346-9