Document Type : Research article
Authors
1 Department of Animal Production, Faculty of Agriculture, Al-Azhar University, Assiut Branch, Assiut, Egypt.
2 Animal Production Research Institute (APRI), Agriculture Research Center (ARC) Dokki, Giza, Egypt.
3 Animal Wealth Development Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt.
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