IMPACT OF MILK YIELD ON ECONOMICS OF HOLSTEIN HERDS UNDER EGYPTIAN CONDITIONS

Document Type : Original Article

Authors

• Ali M. Moustafa ¹
• Amal K. El-Asheeri ²
• M. A.M. Ibrahim ³
• A. H. Barkawi ²

¹ Desert Research Center, Mataryia, Cairo, Egypt

² Department of Animal Production, Faculty of Agriculture, Cairo University

³ Department of Animal production, Faculty of Agriculture, Cairo University, Giza, Egypt