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Postpartum uterine involution and luteal activity in farafra ewes lambing in autumn [electronic resource].

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Derar, D. R

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Language: English Summary language: Arabic Description: p.417-426Other title:

أوب الرحم ونشاط النسيج الأصفر فى نعاج الفرافرة بعد الولادة فى الخريف [Added title page title]

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Assiut veterinary medical journal, 2012 v. 58 (132) [electronic resource].

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In: Assiut Veterinary Medical Journal 2012.v.58(132)Summary: The study was designed to estimate the time needed for complete uterine involution and postpartum luteal activity in Farafra ewes lambing during autumn (n = 40). Transrectal ultrasonographic examinations were performed twice weekly after parturition. Uterine involution and luteal activity were detected ultrasonographically. Blood sampling (twice weekly) was started on d 14 until d 73 postpartum to determine progesterone concentrations. The mean interval for complete uterine involution was 28.72 ± 1.0 d. The proportion of ewes that showed the presence of a cyclic CL within 35 d of lambing was 72.5%. Farafra ewes showed a progesterone concentration greater than 1 ng/ml at 22.0 ± 2.5 d postpartum. Three out of six ewes showed more than one short cycle during the observation period. In this study, it is concluded that the majority of farafra ewes had a complete uterine involution and luteal activity within 35 days post partum during October (lambing season) in the subtropics.

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The study was designed to estimate the time needed for complete uterine involution and postpartum luteal activity in Farafra ewes lambing during autumn (n = 40). Transrectal ultrasonographic examinations were performed twice weekly after parturition. Uterine involution and luteal activity were detected ultrasonographically. Blood sampling (twice weekly) was started on d 14 until d 73 postpartum to determine progesterone concentrations. The mean interval for complete uterine involution was 28.72 ± 1.0 d. The proportion of ewes that showed the presence of a cyclic CL within 35 d of lambing was 72.5%. Farafra ewes showed a progesterone concentration greater than 1 ng/ml at 22.0 ± 2.5 d postpartum. Three out of six ewes showed more than one short cycle during the observation period. In this study, it is concluded that the majority of farafra ewes had a complete uterine involution and luteal activity within 35 days post partum during October (lambing season) in the subtropics.

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