1Department of Biomedical Sciences, College of Veterinary Medicine and Agriculture Addis Ababa University, P.O.Box 34, Bishoftu, Ethiopia, E-mail: kemal34@yahoo.com
2Department of Animal Production Science, College of Veterinary Medicine and Agriculture Addis Ababa University, P.O.Box 34, Bishoftu, Ethiopia, E-mail: kemal34@yahoo.com
3Department of Pathology and Parasitology, College of Veterinary Medicine and Agriculture Addis Ababa University, P.O.Box 34, Bishoftu, Ethiopia, E-mail: kemal34@yahoo.com
*Corresponding Author:
Takele Beyene, Department of Biomedical Sciences, College of Veterinary Medicine and Agriculture Addis Ababa University, P.O.Box 34, Bishoftu, Ethiopia