عناصر مشابهة

• Bacteriological Studies on Recurrent Mastitis in Cowes
  بواسطة: Labib, Sahar Roshdy Mohamed منشور: (1994)
• Some studies on downer cow syndrome
  بواسطة: Aboud, Mohamed Mhrous Mohamed منشور: (1989)
• Studies on Reproductive Performance in Cows
  بواسطة: El Ashram, Ahmed Mohammed Mahmoud منشور: (1993)
• Effect of some drugs on mastitis in cows
  بواسطة: El Sheikh, Wageh Moustafa Abd Alsalam منشور: (1994)
• Some bacteriological and mycoplasmalogical studeis on respiratory tract infection in Buffaloes and cows
  بواسطة: Mohamed, Aliaa Abd Alraman منشور: (2002)