Bernard Ortwer Atu1, Ifeoma Nancy I. Obijiaku2* and Sabo Ezemuel Yakubu3
1Department of Biological Sciences, Faculty of Science, Benue State University, Makurdi, Nigeria.
2Department of Veterinary Public Health and Preventive Medicine, College of Veterinary Medicine, University of Agriculture Makurdi, Nigeria.
3Department of Microbiology, Faculty of Science, Ahmadu Bello University, Zaria, Nigeria.
