饲粮粗蛋白质水平对散养北京油鸡产蛋性能及蛋品质的影响
耿爱莲，石晓琳，王海宏，张剑，初芹，刘华贵*
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*
动物营养学报
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2011, (02): 307
-315
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DOI: 10.3969/j.issn.1006-267x.2011.02.018
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