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Lambing and embryonic mortality rates in Awassi and Barki ewes and their crosses throughout three different mating seasons in the West- coastal region of Egypt [electronic resource].

By:

El-Zarkouny, S.Z

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Language: English Summary language: Arabic Publication details: 2007.Description: p.15-24Other title:

معدلات الولادات وفقد الأجنة في نعاج العواسي والبرقي وخليطهما خلال ثلاث مواسم تلقيح متتالية في منطقة الساحل الشمالي الغربي بجمهورية مصر العربية [Added title page title]

Uniform titles:

Alexandria journal of agricultural research, 2007 v. 52 (3) [electronic resource].

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In: Alexandria Journal of Agricultural Research 2007.v.52(3)Summary: This study was conducted to determine whether early diagnosis of pregnancy with ultasonography and reintroduction of rams to non-pregnant ewes for additional two estrous cycles would increase pregnancy rate and increase lambing crop. fertile rams were introduced to a totla of 335 awassi and Barki ewes and their corsses for 30 days during three consecuthre mating seasons: Spring autumn, and winter.

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This study was conducted to determine whether early diagnosis of pregnancy with ultasonography and reintroduction of rams to non-pregnant ewes for additional two estrous cycles would increase pregnancy rate and increase lambing crop. fertile rams were introduced to a totla of 335 awassi and Barki ewes and their corsses for 30 days during three consecuthre mating seasons: Spring autumn, and winter.

Summary in Arabic.

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