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Histological alterations of small intestine and growth performance of broiler chicks after in ovo copper injection at 10 days of embryogenesis period
作者单位:Department of Poultry Production, Faculty of Agriculture, Fayoum University, Fayoum, Egypt[1]Nanotechnology and Advanced Materials Center Lab, Agriculture Research Central, Giza, Egypt[2]Department of Poultry Production, Faculty of Agriculture, Ain Shams University, Cairo, Egypt[3]