1. Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Usmanu Danfodiyo University, PMB 2346, Sokoto, Nigeria
2. Department of Veterinary Microbiology, Usmanu Danfodiyo University, PMB 2346, Sokoto, Nigeria
3. Department of Biochemistry, Faculty of Science, Usmanu Danfodiyo University, Sokoto, Nigeria
4. Department of Veterinary Services, Ministry of Animal Health and Fisheries Development, Usman Faruk Secretariate, Sokoto, Nigeria