Amgad A. Moawad1, Ahmed M. Ammar2, Nagwa S. Rabie 3, Mohamed R. Sherief1 and Ibrahim E. Eldesoukey1*
1Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Kafrelsheikh University 33516, Egypt
2Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University 44519, Egypt
3Department of Poultry Diseases, National Research Center, Dokki, Giza 12622, Egypt