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Ovarian and hormonal changes during ovsynch program in buffalo-cows (Bubalus bubalis) [electronic resource].

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Ali, A

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Language: English Summary language: Arabic Description: p.348-361Other title:

التغيرات المبيضة والهرمونية المصاحبة لتطبيق برنامج توافق التبويض فى الجاموس [Added title page title]

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Assiut veterinary medical journal, 2004 v. 50 (102) [electronic resource].

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In: Assiut Veterinary Medical Journal 2004.v.50(102)Summary: The objective of the current study was to monitor ovarian and hormonal changes during the ovsynch program in eight Egyptian buffalo-cows. At random stages of estrous cycle, each cow received GnRH on Day 0, PGF2u on Day 7, and GnRH on Day 9 with AI 9 and 24h later. Ovarian structures were monitored by daily ultrasound examination. Milk samples were collected on Days 0, 4, 7, 8, 9 and 10 for progesterone (P4) analysis. The 1st GnRH injection resulted in development and subsequent ovulation ofa large follicle (DFI) in 7/8 cases. This injection was also successful in synchronizing a new foliicular wave.

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The objective of the current study was to monitor ovarian and hormonal changes during the ovsynch program in eight Egyptian buffalo-cows. At random stages of estrous cycle, each cow received GnRH on Day 0, PGF2u on Day 7, and GnRH on Day 9 with AI 9 and 24h later. Ovarian structures were monitored by daily ultrasound examination. Milk samples were collected on Days 0, 4, 7, 8, 9 and 10 for progesterone (P4) analysis. The 1st GnRH injection resulted in development and subsequent ovulation ofa large follicle (DFI) in 7/8 cases. This injection was also successful in synchronizing a new foliicular wave.

Summary in Arabic.

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