عناصر مشابهة

• Some Genetical and Environmental Studies of Production and Reproduction of Rabbits
  بواسطة: Barakat, Aly Al Sayed Aly منشور: (1992)
• Studies In Cattle Reproduction
  بواسطة: El Darawany, Abd Elhaleem Aly Mohamed Ahmed منشور: (1989)
• Studies On The Effect Of Hybrid Feeding Quality, Esason and Density on Broiler Production
  بواسطة: Rashwan, Ali Abd Alazim Ahmed منشور: (1985)
• Studies on Lamb Production from Some Crossbreeding Systems
  بواسطة: Mohamed, Faten Fahmy منشور: (1986)
• Studies On Crossbred Sheep
  بواسطة: Bahgat, Layla Bakir منشور: (1991)