1. Department of Veterinary Physiology and Pharmacology , Michael Okpara University of Agriculture Umudike, PMB 7267 Umuahia , Nigeria
2. Department of Pharmaceutical and Medicinal Chemistry , University of Nigeria , Nsukka , 410001 Enugu State, Nigeria
3. Department of Veterinary Physiology and Pharmacology, Faculty of Veterinary Medicine , University of Nigeria , Nsukka 410001 Enugu State, Nigeria