عناصر مشابهة

• STUDY OF SOME PHYSICAL ANDCHEMICAL PRIPERTIES OF COCK SEMEN
  بواسطة: MOHAMED AHMED ZAKI SAMY منشور: (1982)
• 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)
• STUDIES ON SOME FACTORS AFFECTING HATCHABILITY RATES IN BROILER BREEDER EGGS
  بواسطة: SAID AHMED MOHAMMED YOUSSEF منشور: (2011)
• STUDY ON SOME FACTORS AFFECTING EGG SHELL QUALITY IN LAYING CHICKEN
  بواسطة: MOHAMMED ABDEL - WAHAB ABDEL - WAHED منشور: (2011)
• NUTRITIONAL AND PHYSIOLOGICAL STUDIES ON EGG SHELL QUALITY IN JAPANESE QUAIL
  بواسطة: ABDEL RAFEA AHMED EL SHAFEI منشور: (1993)