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Revista mexicana de ciencias pecuarias

On-line version ISSN 2448-6698Print version ISSN 2007-1124


VALDES PEREZ, Luis Ángel et al. Retention of fetal membranes and uterine pathologies in dairy cows treated with PGF2α after parturition. Rev. mex. de cienc. pecuarias [online]. 2018, vol.9, n.3, pp.576-587. ISSN 2448-6698.

In order to determine its effect on incidence of retained fetal membranes (RFM) and postpartum uterine pathologies in dairy cows, the administration of two injections of PGF2α in the first 48 h after parturition was tested. In this study, 800 cows with different parities were randomly assigned to two treatment groups: PGF2α (n= 400), receiving two postpartum PGF2α injections (500 μg of cloprostenol sodium), one during the first 12 h and one at 48 h; and control (n= 400), not receiving PGF2α. The incidence of RFM (cows that had not expelled the placenta at 24 h postpartum), and of postpartum uterine pathologies (metritis and endometritis), was registered, as well as pregnancy rate at first service and percentage of pregnant cows at d 150 postpartum. Control cows had a higher probability of presenting RFM (Odds ratio 1.69; P= 0.01) than cows treated with PGF2α. Likewise, the proportion of cows with uterine pathologies at d 28 postpartum was lower (P= 0.01) in cows treated with PGF2α (29.8 %) than in control cows (36.7 %). The accumulated pregnancy rate at d 150 postpartum was higher in cows with normal involution than in cows with uterine pathologies (Odds ratio 1.4, P= 0.03). It is concluded that two injections of PGF2α in the first 48 h postpartum (at 12 and 48 h) lowers the incidence of RFM and of uterine pathologies in dairy cows.

Keywords : Dairy cows; Retention of fetal membranes; PGF2α.

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