1. Department of Pathology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
2. Department of Clinical Medicine and Surgery, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
3. Department of Anatomy, University of Agriculture, Faisalabad, Pakistan
4. Animal Health Research Division, Bangladesh Livestock Research Institute, Savar, Dhaka-1341, Bangladesh