عناصر مشابهة

• EFFECT OF SOME ENVIRONMENTAL FACTORS ON PHYISCAL AND CHEMICAL CHARACTERISTICS OF POULTRY SEMEN
  بواسطة: SABRY IBRAHIM EL SHARKAWY منشور: (1981)
• THE RELATION BETWEEN SYSTEMS OF FEEDING GROWTH RATE , FEED EFFICIENCY AND EGG PRODUCTION IN SOME POULTRY BREEDS
  بواسطة: NABIL FAHMY ABD EL HAKIM منشور: (1965)
• EFFECTOF SOURCE AND LEVEL OF FATS ON GROWTH AND FERTILITY TRAITS OF SOME POULTRY BREEDS
  بواسطة: TAREK MOHAMED YOUNIS منشور: (1981)
• COMPARATIVE STUDY ON PRODUCTIVE AND REPRODUCTIVE TRAITS OF SOME AVIAN SPECIES
  بواسطة: ALI MOHAMED HASSAN EL SHEIKH منشور: (1999)
• STUDIES ON PRODUCTIVE PEFORMANCE AND SOME PHYSIOLOGICAL CHARACHTERISTCS OF SOME LOCAL BREEDS OF CHICKEN UNDER DIFFERENT NUTRITIONAL LEVELS
  بواسطة: GAWAD MOHAMED HAMDAN ABOU HASERA منشور: (1996)