1. F. Aldomy:
Jordan Bio-Industries Center (JOVAC), Amman, Jordan
2. N. Hussein:
Veterinary Department, Ministry of Agriculture, Amman, Jordan
3. O. L. Sawalha:
Veterinary Department, Ministry of Agriculture, Amman, Jordan
4. K. Khatatbeh:
Veterinary Department, Ministry of Agriculture, Amman, Jordan
5. A. Aldomy:
Veterinary Department, Ministry of Agriculture, Amman, Jordan