1. Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
2. Department of Forensic Medicine and Toxicology, Veterinary Medicine Faculty, Zagazig University, Zagazig, Egypt
3. Department of Veterinary Microbiology, Uttar PradeshPandit Deen Dayal Upadhayay Pashu Chikitsa Vigyan Vishwa Vidyalaya Evum Go-Anusandhan Sansthan (DUVASU), Mathura (Uttar Pradesh) India
4. Division of Bacteriology and Mycology, Indian Veterinary Research Institute, Izatnagar, Bareilly (Uttar Pradesh), India
5. Division of Pathology, Indian Veterinary Research Institute, Izatnagar, Bareilly (Uttar Pradesh) India
6. Aquatic Animal Health & Diseases Department, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research Education and Extension Organization(AREEO),Tehran, I.R. Iran
7. Aquatic Animal Health and Diseases Department, Caspian Sea Ecology Research Center, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research Education and Extension Organization (AREEO), Tehran, I.R. Iran