عناصر مشابهة

• Studies on some diseases in calves during fattening period
  بواسطة: Salama, Ahmed Salama Abdo منشور: (1990)
• The prevention of E. coli infection in broilers by using antimicrobial feed additives
  بواسطة: Mohamed, Abd Alrahman Ahmed Mahmoud منشور: (1999)
• Role of Some Chemotherapeutic Agents in the Control of Bovine Mastitis
  بواسطة: El Sheikh, Wageh Moustafa Abd Alsalam منشور: (1998)
• Some Studies In Clostridial Infections In Birds
  بواسطة: Mostafa, Mohamed Gameal منشور: (2000)
• Incidence of Escherichia coli in Raw Cow's Milk
  بواسطة: Abd Allah, Al Taweel Mohamed منشور: (2013)