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# عنوان البحث المشارك في البحث سنة البحث
571 (71)Sperm morphology in the reproductive tract of growing Dokki-4 cockerels. أ.د.حاتم يوسف مصطفى الحمادى 1975
572 (68)Egg production of Pekin ducks in Upper Egypt. أ.د.حاتم يوسف مصطفى الحمادى 1975
573 (71)Sperm morphology in the reproductive tract of growing Dokki-4 cockerels. أ.د.محمد نبيل عيسى محمود مقلد 1975
574 (75) Enriching duck rations with trace elements (Zn, Cu, Mn). أ.د.محمد نبيل عيسى محمود مقلد 1974
575 (72)Reproductive performance and sexual maturity of Dokki-4 pullets. 1. Effect of certain feed microadditives. أ.د.حاتم يوسف مصطفى الحمادى 1974
576 (76)Growth and mineral content of certain organs of chicks as influenced by supplemental Mn, Zn and Cu. أ.د.حاتم يوسف مصطفى الحمادى 1974
577 (72)Reproductive performance and sexual maturity of Dokki-4 pullets. 1. Effect of certain feed microadditives. أ.د.محمد نبيل عيسى محمود مقلد 1974
578 Effect of age and certain microadditives on the reproductive capacity of Dokki-4 cockerels, أ.د.حاتم يوسف مصطفى الحمادى 1974
579 (76)Growth and mineral content of certain organs of chicks as influenced by supplemental Mn, Zn and Cu. أ.د.محمد نبيل عيسى محمود مقلد 1974
580 (73) Physical and chemical characteristics of chicken eggs as affected by certain feed supplements. أ.د.محمد نبيل عيسى محمود مقلد 1974