Abdulrahman Bello Usmanu Danfodiyo university, Sokoto, Nigeria
M. Mammam Department of Vet. Pharmacology and Toxicology, Ahmadu Bello University, Zaria Nigeria
M.M. Suleiman Department of Vet. Pharmacology and Toxicology, Ahmadu Bello University, Zaria Nigeria
A. Ahmed Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Ahmadu Bello University, Zaria Nigeria
A. Bello Department of Veterinary Anatomy, Usmanu Danfodiyo University, Sokoto Nigeria