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# عنوان البحث المشارك في البحث سنة البحث
491 (32)Effect of dietary ascorbic acid on the performance of laying hens subjected to heat stress. أ.د.محمد نبيل عيسى محمود مقلد 1992
492 Effect of feeding regimens and lighting programs on egg production performance of two Egyptian native strains of laying hens. أ.د.حاتم يوسف مصطفى الحمادى 1992
493 (32)Effect of dietary ascorbic acid on the performance of laying hens subjected to heat stress. أ.د.محمد متولى أحمد حامد 1992
494 .Nutritive value of some Non-Conventional by-products as poultry feed ingredients a: Chemical evaluation. أ.د.حاتم يوسف مصطفى الحمادى 1992
495 Heritabilities of some egg production and egg quality traits in Dandarawi chickens. أ.د.محمد أبوالقاسم عبداللطيف 1992
496 (32)Effect of dietary ascorbic acid on the performance of laying hens subjected to heat stress. أ.د.مريم أحمد الديب 1992
497 .Aldosterone hormone and litter moisture as affected by photoperiod, أ.د.حاتم يوسف مصطفى الحمادى 1992
498 Genetics of sexual dimorphism in Dandarawi chickens. أ.د.محمد أبوالقاسم عبداللطيف 1992
499 (33)Lysine-arginine ratio and acid-base balance in relation to growth and protein efficiency in Dandarawi chicks. أ.د.محمد نبيل عيسى محمود مقلد 1992
500 Influence of naked neck (Na), frizzle (F) and dwarf (dw) genes on the performance of laying hens raised under high altitudes. أ.د.محمد أبوالقاسم عبداللطيف 1992