Document Type : Original Article
Authors
1 Depart. Intern. Med. Infect. & Fish Diseases, Fac., Vet. Med., Cairo Unive
2 Microbiol. Depart. Fac. Vet Med. (Kafr-El-Sheikh branch) Tanta Univ.
3 Serum & Vaccine Research Institute, Abassia, Cario
4 Desert Research Center, Cairo.
Abstract
Main Subjects