Department of Pharmacology and Toxicology.Faculty of Veterinary Medicine Usmanu Danfodiyo University Sokoto;
Department of Pharmacology and Toxicology Faculty of Veterinary Medicine University of Ilorin;
Department of Pathology Faculty of Veterinary Medicine Ahmadu Bello University;
Department of Pharmacology and Toxicology;
Faculty of Veterinary Medicine Ahmadu Bello University;
Department of Pharmacology and Toxicology Faculty of Veterinary Medicine Ahmadu Bello University;
Department of Physiology Faculty of Veterinary Medicine Ahmadu Bello University;
Chlorpyrifos Cypermethrin Cognition Brain malondialdehyde Melatonin;