1. Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, The New Valley University, Egypt.
2. Department of Animal Hygiene and Zoonoses, Faculty of Veterinary Medicine, The New Valley University, Egypt.
3. Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Mansoura University, Egypt.
4. Tuberculosis Unit, Animal Health Research Institute, Dokki, Egypt.
5. Department of Meat Hygiene, Faculty of Veterinary Medicine, The New Valley University, Egypt.
6. Directorate of Veterinary Medicine, Behira Governorate, Egypt.