Document Type : Original Article
Authors
1 Animal medicine Department, Faculty of Veterinary Medicine, Benha University
2 Department of Animal Medicine, Faculty of Veterinary Medicine, Benha University
3 Animal medicine department, Faculty of veterinary medicine, Menofia university
4 Animal medicine department, Faculty of veterinary medicine, benha university
5 Department of Bacteriology, Animal Health Institute. Dokki, Egypt
Abstract
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