正阳三黄鸡产蛋初期蛋重、蛋形指数变化规律研究

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盛东峰，李淑梅

Study on Changing Law of Egg Weight and Egg Shape Index in Early Laying Period of Zhengyang Threeyellow Broilers

SHENG Dong-feng,LI Shu-mei

家畜生态学报 . 2012, (6): 55 -58 .