Document Type : Original Article
Authors
1 Reference Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Ministry of Agriculture, P.O. Box 246 – Dokki, 12618 – Giza, Egypt
2 Animal Health Research Institute, Damanhur branch, Agriculture Researches, Egypt
3 Animal Health Research Institute, Fayoum branch, Agriculture Researches Center, Egypt
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