عناصر مشابهة

• A STUDY ON THE FREQUENCY OF LAMBING IN RELATION TO PRODUCTIVITY IN BARKI SHEEP
  بواسطة: HAMDY ABDEL AZIZ SALEM منشور: (1990)
• PRODUCTIVE AND PHYSIOLOGICAL RESPONSES OF BARKI SHEEP TO CHANGES IN CERTAIN ENVIRONMENTAL CONDITIONS
  بواسطة: HAMDY ABDEL AZIZ SALEM منشور: (1998)
• STUDIES ON ENERGY METABOLISM OF LAYING CHICKENS IN HOT ENVIRONMENT
  بواسطة: MOHAMED ABDEL MONEM SAYED AHMED EL GAMAL منشور: (2009)
• STUDY ON SOME FACTORS AFFECTING EGG SHELL QUALITY IN LAYING CHICKEN
  بواسطة: MOHAMMED ABDEL - WAHAB ABDEL - WAHED منشور: (2011)
• 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)