1. Fish Diseases Department Animal Health Research Institute AHRI Agriculture Research Centre ARC Kafrelsheikh Egypt
2. Animal production Department Faculty of Agriculture Kafrelsheikh University Kafrelsheikh Egypt
3. Physiology Department Faculty of Veterinary Medicine Cairo University Cairo Egypt
4. Department of Microbiology and Immunology Faculty of Veterinary Medicine Cairo University Cairo Egypt
5. Fish Diseases Lab National Institute of Oceanography and Fisheries (NIOF) Egypt
6. Zoology Department Faculty of Science Kafrelsheikh University Kafrelsheikh Egypt
7. Department of Aquatic Animal Medicine and Management Faculty of Veterinary Medicine Cairo University Cairo Egypt