Document Type : Original Article
Authors
1 Biotechnology department, Animal Health Research Institute (AHRI), Egypt
2 Milk and Meat Hygiene Department, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC),Egypt.
3 Bacteriology and Immunology Department, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Egypt.
4 Animal hygiene and veterinary Management Department, Faculty of Vet. Med., Benha University, Benha, Egypt
Abstract
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