1. Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt.
2. Institute of Biodiversity Animal Health and Comparative Medicine, School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, 464 Bearsden Road, Glasgow, G61 1QH, UK.
3. Department of Parasitology, Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt.