Document Type : Original Article
Authors
1 Department of Virology, Faculty of Veterinary Medicine, Cairo University Giza- Egypt
2 Department of Poultry Disease, Faculty of Veterinary Medicine, Minofia University
3 Pathology Unit, Animal Health Research Institute; Dokki- Giza -Egypt
4 Central laboratory for Control of Veterinary Biologics, Abassia- Cairo Egypt.
Abstract
Main Subjects