Document Type : Research article
Authors
1 Avian and Rabbit Medicine Department, Faculty of Veterinary Medicine, Assiut University, Egypt.
2 Department of Poultry Viral Vaccines, Veterinary Serum and Vaccine Research Institute (VSVRI), Agricultural Research Center (ARC), Cairo 11381, Egypt.
3 Avian and Rabbit Medicine Department, Faculty of Veterinary Medicine, Assiut University, Egypt
Abstract
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