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中国农学通报

中国农学通报 ›› 2016, Vol. 32 ›› Issue (11): 6-10.doi: 10.11924/j.issn.1000-6850.casb15110054

所属专题： 畜牧兽医

• 畜牧 动物医学 蚕 蜂 • 上一篇    下一篇

灵昆鸡产蛋性状与遗传参数分析

熊化鑫,张丽萍,唐军旺,周树和,林兴钦,卢立志   

  1. 浙江师范大学;浙江省农科院畜牧兽医所;温州市金土地农业开发有限公司,浙江省农业科学院畜牧兽医所,浙江省农科院畜牧兽医所,温州市金土地农业开发有限公司,温州市金土地农业开发有限公司,浙江省农科院畜牧兽医所
  • 收稿日期:2015-11-09 修回日期:2015-12-22 接受日期:2015-12-25 出版日期:2016-04-20 发布日期:2016-04-20
  • 通讯作者: 卢立志
  • 基金资助:
    浙江省重大科技专项重大农业项目“肉鸡全产业链质量安全控制与溯源技术体系研究与应用示范”(2014C02001)；浙江省农业科技成果转化项目“浙江省特色家禽遗传资源——灵昆鸡示范推广”。

Genetic Parameter Estimation for Egg Production Traits of Lingkun Chicken

熊化鑫,张丽萍,,, and 卢立志   

  • Received:2015-11-09 Revised:2015-12-22 Accepted:2015-12-25 Online:2016-04-20 Published:2016-04-20

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摘要： 为了提高灵昆鸡产蛋性状选育效果，本研究以灵昆鸡32 个混合家系2 个世代的552 只母鸡为研究材料，通过观测所有个体的300 日龄产蛋量(EN300)、500 日龄产蛋量(EN500)、蛋重(EW)、蛋形指数(ESI)、蛋壳厚度(EST)、蛋壳强度(ESS)、蛋白高度(AH)、蛋黄颜色(YC)、哈氏单位(Hu)、蛋黄重(YW)共10 个性状的表型值，并利用半同胞估计法，估算各性状遗传力、遗传相关和表型相关3 个参数。结果表明上述所有观测性状的遗传力依次分别为0.208、0.192、0.529、0.468、0.505、0.421、0.297、0.031、0.024、0.187，其中蛋重遗传力最高，为0.529，哈氏单位遗传力最低，为0.024；2 个世代个体的300 日龄产蛋量、蛋壳厚度、蛋黄颜色、哈氏单位均存在极显著差异(P＜0.01)。在2 个世代间，300 日龄产蛋量、500 日龄产蛋量、蛋形指数两两性状间的遗传相关与表型相关系数均为正相关，蛋重、蛋黄颜色、蛋黄重两两性状间的遗传相关与表型相关系数均为正相关，蛋壳厚度、蛋壳强度、蛋白高度两两性状间的遗传相关与表型相关系数也均为正相关。这些性状的遗传相关与表型相关表现出相同趋势。

关键词: 木薯, 木薯, 灰色系统, 引种, 评价

Abstract: In order to improve the breeding effect of egg production traits of Lingkun Chicken, 552 hens in the third and fourth generation from 32 mixed pedigrees were used as the experimental materials. Quality traits including 300-day-old egg production (EN300), 500-day-old egg production (EN500), egg weight (EW), egg shape index (ESI), eggshell thickness (EST), eggshell strength (ESS), albumen height (AH), yolk color (YC), haugh unit (Hu) and yolk weight (YW) were recorded, and then the heritability, genetic correlation and phenotypic correlation were estimated. The results showed that heritability of EN300, EN500, EW, ESI, EST, ESS, AH, YC, Hu and YW was 0.208, 0.192, 0.529, 0.468, 0.505, 0.421, 0.297, 0.031, 0.024 and 0.187, respectively. 300- day- old egg production, eggshell thickness, egg yolk color, haugh unit of the two generations were extremely and significantly different (P＜0.01). In the two generations, genetic correlation and phenotypic correlation coefficient among EN300, EN500 and ESI, among EW, YC and YW, and among EST, ESS and AH were all positive, meaning that genetic and phenotypic correlation had similar trend.