乌骨鸡新品系产蛋性能选育效果及相关分析  

The Select Progress on Egg-Laying Performance of New Silkies Layer Strain

作　　者：赵小玲[1] 朱庆[1] 

机构地区：[1]四川农业大学动物科技学院,四川雅安625014

出　　处：《中国家禽》2004年第z1期130-132,共3页China Poultry

摘　　要：本文统计和分析了丝羽乌骨鸡新品系四个世代的产蛋性状,采用SAS系统中GLM模型进行冬世代间产蛋性能的多重比较,用Excel软件描绘了父母系各世代产蛋曲线,并在各开产性状间进行了相关分析。结果表明,各产蛋性状各世代间大部分差异显著;开产日龄与开产体重和开产蛋重呈极显著表型正相关(0.39565,0.19906),与300日龄产蛋量呈极显著负相关(-0.24193);开产体重与开产蛋重呈极显著正相关(0.28654),与300日龄产蛋量和300日龄蛋重呈极显著负相关(-0.64308,-0.28698);开产蛋重与300日龄产蛋量呈极显著负相关(-0.64308)。开产日龄是影响产蛋性能的一个重要因素。The egg-laying performance of New Silkies layer Strain in recently four generations were analyzed in this study.The egg-laying curve for each generation also listed.The result showed that the correlation coefficients of BWT & AFE,EWT & AFE and BWT & EWT were all positive significant (P<0.01).And it also showed that EGN & EGW and AFE & EGN were negative significant (P<0.01).Age at first egg is one of critical factors for egg-laying performance.

关 键 词：丝羽乌骨鸡 产蛋曲线 产蛋性能 相关分析 

分 类 号：S83[农业科学—畜牧学]