Authors
1 General organization of veterinary services Ministry of Agriculture, Dokki, Egypt
2 Dept. of Microbiol, Faculty of Vet Med Cairo Univ Giza, Egypt
3 Dept. of Plant Pathol, NRC, Dokki, Giza, Egypt, Egypt
4 Dept. of Microbiol, Faculty of Vet Med, Beni Seuf University, Egypt
Abstract
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