Document Type : Original Article
Authors
1 Animal Resources Adm., Ministry of Agriculture, Riyadh, 11195 Kingdom of Saudi Arabia Veterinary Serum and Vaccine Research Institute, Abbassia 11381, Cairo., Egypt.
2 Animal Resources Adm., Ministry of Agriculture, Riyadh, 11195 Kingdom of Saudi Arabia.
3 Veterinary vaccine production center,, Ministry of Agriculture Riyadh 11454, Saudi Arabia Veterinary Serum and Vaccine Research Institute, Abbassia 11381, Cairo., Egypt.
Abstract
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