
Effects of Dietary Crude Protein Levels on Laying Performance and Egg Quality of Beijing YouJi under Free Range System
GENG Ailian,SHI Xiaolin,WANG Haihong,ZHANG Jian,CHU Qin,LIU Huagui*
2011, Vol. 23 (02) : 307-315.
Effects of Dietary Crude Protein Levels on Laying Performance and Egg Quality of Beijing YouJi under Free Range System
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