Postpartum Plasma PGF Metabolite Profile in Cows with Dystocia and/or Retained Placenta, and Effect of Fenprostalene on Uterine Involution and Reproductive Performance.
スポンサーリンク
概要
- 論文の詳細を見る
Objectives of this study were to show postpartum plasma PGF2α metabolite (PGFM) profile, to clarify whether endogenous PGF2α plays a certain role in the uterine involution in cows with dystocia and/or retained placenta, and to examine the effects of fenprostalene, a long-acting PGF2α analog, on the uterine involution and reproductive performance of the cows with abnormal puerperium. A group of 27 cows with dystocia and/or retained placenta showed a massive release of PGF2α after parturition as indicated by a rise of plasma concentrations of PGFM, significantly higher than 33 cows with normal puerperium. The duration of the elevated plasma PGFM concentrations in the cows with abnormal puerperium was shorter than that of the normal cows. In cows with normal puerperium, those showing relatively longer duration of elevated plasma PGFM levels needed a shorter period for postpartum uterine involution than the cows showing a shorter duration of the PGFM elevation (P<0.01), while no such relationship was observed in cows with abnormal puerperium. In field trials, an administration of an exogenous PGF2α, fenprostalene, at 7 to 10 days (78 cows) or 14 to 28 days postpartum (74 cows) was found to be effective in facilitating uterine involution and resumption of ovarian cyclicity, and improved reproductive performance. It may be concluded that a large amount of PGF2α is released for a relatively shorter period in cows after dystocia and/or retained placenta and the elevation of PGFM is not responsible for the uterine involution. The administration of the exogenous PGF2α was shown to be effective at improving the postpartum reproductive performance of cows with abnormal puerperium.
- 公益社団法人 日本獣医学会の論文
著者
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Nakada Ken
Department Of Large Animal Clinical Sciences Graduate School Of Veterinary Medicine Rakuno Gakuen Un
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Osawa Takeshi
Department Of Anesthesiology And Intensive Care Medicine Graduate School Of Medical Science Kanazawa University
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KAWATA Keiichiro
Department of Veterinary Obstetrics and Gynecology, Rakuno Gakuen University
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Moriyoshi Masaharu
Department of Large Animal Clinical Sciences, Graduate School of Veterinary Medicine, Rakuno Gakuen University
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NAKADA Ken
Department of Veterinary Obstetrics and Gynecology, School of Veterinary Medicine, Rakuno Gakuen University
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GAMAL Absy
Department of Veterinary Obstetrics and Gynecology, School of Veterinary Medicine, Rakuno Gakuen University
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NAKAO Toshihiko
Department of Animal Science, Graduate School for International Development and Cooperation (IDEC), Hiroshima University
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KAWATA Keiichiro
Department of Veterinary Obstetrics and Gynecology, Faculty of Veterinary Medicine, Rakuno Gakuen University
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KAWATA Keiichiro
Department of Veterinary Obstetrics and Gynecology, School of Veterinary Medicine, Rakuno Gakuen University
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