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dc.contributor.authorS. Panasophonkulen_US
dc.contributor.authorC. Lohachiten_US
dc.contributor.authorS. Sirivaidyapongen_US
dc.description.abstractTo study the postpartum ovarian activities for investigation of first postpartum oestrus, twenty-five Thai crossbred native mares were monitored after parturition by oestrous detection, transrectal palpation and reproductive ultrasonography. Blood samplings were also taken for estradiol-17beta (E 2) analysis. The first ovulation occurred within 20 days postpartum in 92% (23/25) of the mares. The mean intervals of foaling to first oestrus and to first ovulation were 10.3 ± 2.9 and 13.4 ± 2.6 days (mean ± SD) respectively. Serum E2 increased from 7.0 ± 2.9 to a peak of 10.8 ± 3.3 pg/ml (mean ± SD) at 2 days before ovulation. In conclusion, from the study, it can be stated that the postpartum breeding management should be considered after day 10 postpartum by careful examination of ovarian activity with various methods. However, the uterine condition should be also estimated associated with the ovarian activity after parturition which may increase breeding performance and foal production. © 2007 The Authors.en_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.titlePostpartum ovarian activity and serum estradiol-17beta level in Thai crossbred native maresen_US
article.title.sourcetitleReproduction in Domestic Animalsen_US
article.volume42en_US Mai Universityen_US Universityen_US
Appears in Collections:CMUL: Journal Articles

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