عناصر مشابهة

• Environmental and Genetic Aspects of Some Productive Traits In Ducks
  بواسطة: El Maghawry, Ahmed Magdy Mohamed منشور: (1983)
• Studies on Productive Characteristics and Egg of Sudani Ducks
  بواسطة: Ibrahim, Abdel moneim Sayed Ahmed منشور: (1984)
• Some studies on mycoplasma infection in ducks
  بواسطة: Lebdah, Mohamed Abd Alaziz Al Sayed منشور: (1984)
• Effect of Growth Promoters and Anticoccidial Compounds Interaction on Performance, Carcass Characteristics and some Physiological Parameters of Brolier Chicks
  بواسطة: نوفل، عبدالله حسين منشور: (2008)
• Hatching And Rearing of Ducks
  بواسطة: Metwally, Mahmoud Abd Alrahman منشور: (1993)