عناصر مشابهة

• EFFECT OF DIFFERENT METHODS OF FEED RESTRICTION ON THE PERFORMANCE OF BROILER PARENT STOCK
  بواسطة: MOHAMED ABDEL HAMID EL SHAFEI منشور: (1994)
• EFFECT OF FISH CULTURE SYSTEMS ON POND PRODUCTIVITY AND THEIR ECONOMIC EVALUATION
  بواسطة: MAHMOUD OSMAN ABD-EL-HAMID EL-GENDY منشور: (1998)
• EFFECT OF CROSSING DIFFERENT STRAINS OF DUCKS ON SOME PRODUCTIVE TRAITS
  بواسطة: MOSSAD FAWZY ABD EL-AZEEZ FATHALAH TABOOSHA منشور: (2006)
• EFFECTOF DIFFERENT DIETARY PROTEIN AND ENERGY LEVELS ON PRODUCTIVE AND REPRODUCTIVE PERFORMANCE OF WHITE LEGHONS CHICKENS
  بواسطة: YOSSEF ABD EL- WAHAB ATTIA منشور: (1986)
• EFFECTS OF ENVIRONMENTAL HEAT AND COLD STRESSES ON EMBRYONIC BONE DEVELOPMENT
  بواسطة: ABDEL HAMID ABDALLAH ABDEL HAMID EL DESOUKY منشور: (2009)