1. Health Research Innovation Center 2C53, Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
2. Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
3. Department of Animal Husbandry, Faculty of Veterinary Medicine, Sohag University, Sohag 82524, Egypt
4. Department of Pathology, Beni-Suef University, Beni Suef 62521, Egypt
5. Department of Avian and Rabbit Medicine, Faculty of Veterinary Medicine, Assiut University, Assiut 71515, Egypt