1. National Institute of Oceanography and Fisheries (NIOF) Cairo Egypt
2. Aquatic Resources Natural Resources Studies and Research Department College of High Asian Studies Zagazig University Zagazig Egypt
3. Department of Pathology Faculty of Veterinary Medicine Kafrelsheikh University Kafrelsheikh Egypt
4. Animal and fish Production Department College of Agricultural and Food Sciences King Faisal University Al‐Ahsa Saudi Arabia
5. Fish and Animal Production Department Faculty of Agriculture (Saba Basha) Alexandria University Alexandria Egypt