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
El-Zarkouny, S.Z.
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]. معدلات الولادات وفقد الأجنة في نعاج العواسي والبرقي وخليطهما خلال ثلاث مواسم تلقيح متتالية في منطقة الساحل الشمالي الغربي بجمهورية مصر العربية. - 2007. - p.15-24
Includes references.
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.
Sheep--Reproduction.
Sheep--Diseases.
Sheep--Pregnancy--Diagnosis
Livestock--Embryos--Mortality.
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]. معدلات الولادات وفقد الأجنة في نعاج العواسي والبرقي وخليطهما خلال ثلاث مواسم تلقيح متتالية في منطقة الساحل الشمالي الغربي بجمهورية مصر العربية. - 2007. - p.15-24
Includes references.
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.
Sheep--Reproduction.
Sheep--Diseases.
Sheep--Pregnancy--Diagnosis
Livestock--Embryos--Mortality.