1. Department of Veterinary Public Health and Preventive Medicine, Faculty of Veterinary Medicine , Usmanu Danfodiyo University , Sokoto State
2. Ministry of Animal Health, Husbandry and Fisheries , Kebbi State
3. Department of Veterinary Microbiology and Pathology, Faculty of Veterinary Medicine , University of Jos , PMB 2084 Jos, Plateau
4. Agricultural Research Council of Nigeria , Nigeria