1. Department of Parasitology Faculty of Veterinary Medicine Cairo University Giza Egypt
2. Department of Biochemistry and Molecular Biology Faculty of Veterinary Medicine Cairo University Giza Egypt
3. Department of Veterinary Hygiene and Management Faculty of Veterinary Medicine Cairo University Giza Egypt
4. Department of Pathology Faculty of Veterinary Medicine Cairo University Giza Egypt
5. Cairo Dermatology and Venereology Hospital (Al‐Houd Al‐Marsoud Hospital) Cairo Egypt