Reproductive and Productive Performance of Awassi Ewes in North Iraq


Abstract in English

Data on ١٦٠١ records over five years were used to study the reproductive and productive performance of Awassi ewes kept at the animal husbandry station (Darnajookh) in Iraq. The overall means were ٨٠,٦٩±١,١٪, ١,٠٧٧±٠,٠٠٨, ٩٢,٨٢±٠,٨٣٪, ٠,٨٠٥±٠,٠١٤, ١٨,٩٨±٠,٣٥ kg, ٥٣,٣٨±٠,٣٢ kg and ٢٢,٥١±٠,١٨ kg for fertility, litter size, pre-weaning survival rate, number of lambs weaned per ewe exposed to the rams, ewe productivity ( total weight of lambs weaned per ewe exposed to the rams), body weight of ewe at breeding and weaning weight of lambs, respectively.

References used

عبد الرحمن، فارس يونس. ١٩٩٦ . المعالم الوراثية لبعض صفات الأداء التناسلي في الأغنام العواسية. رسالة دكتوراه – كلية الزراعة والغابات / جامعة الموصل.
Bradford,G.E., I. Inounu, L.C. Iniguez, B.Tiesnamurti and D.L.Thomas. ١٩٩١. The prolificacy gene of Javanese sheep. In: major genes for reproduction in sheep. Ed. By. Elsen, J.M., L.Bodin and J.Thimonier, Colloque No. ٥٧ INRA, Paris. PP. ٦٧-٧٣
Brown,M.A. and W.G. Jackson. ١٩٩٥. Ewe productivity and subsequent preweaning lamb performance in St. Croix sheep bred at different times during the year. J.Anim. Sci. ٧٣: ١٢٥٨-١٢٦٣

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