1. Department of Veterinary Pathology, University of Ibadan, Ibadan, Nigeria
2. School of Veterinary Medicine, Kwame Nkruma University of Science and Technology Kumasi, Kumasi, Ghana
3. Department of pharmaceutics, Kwame Nkruma University of Science and Technology Kumasi, Kumasi, Ghana
4. Department of pharmaceutics, University of Ibadan, Ibadan, Nigeria
5. Department of Veterinary Services, Ministry of Agriculture and Natural resources, Ogun, Nigeria