Affiliation: | 1. Department of Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Malaysia;2. Department of Preclinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Malaysia;3. Department of Veterinary Pathology and Microbiology, Universiti Putra Malaysia, Faculty of Veterinary Medicine, Serdang, Malaysia |