1. Department of Internal Medicine, Infectious and Fish Diseases Faculty of Veterinary Medicine Mansoura University Mansoura Egypt
2. Clinical Pathology Department Faculty of Veterinary Medicine Mansoura University Mansoura Egypt
3. Animal Husbandry and Development of Animal Wealth Department Faculty of veterinary Medicine Mansoura University Mansoura Egypt
4. Clinical Division of Fish Medicine Department for Farm Animals and Veterinary Public Health University of Veterinary Medicine Vienna Austria