1. Metekel Zone Agriculture and Rural Development Office Metekel Ethiopia
2. College of Agriculture and Environmental Science School of Animal Science and Veterinary Medicine Bahir Dar University Bahir Dar Ethiopia
3. Department of Veterinary Epidemiology and Public Health College of Veterinary Medicine and Animal Sciences University of Gondar Gondar Ethiopia
4. Department of Veterinary Paraclinical Studies College of Veterinary Medicine and Animal Sciences University of Gondar Gondar Ethiopia
5. International Livestock Research Institute (ILRI) Addis Ababa Ethiopia