DMU、GBS和Herdsman 3个软件育种值估计的比较

发布时间：2018-01-21 09:43

本文关键词： 猪育种软件育种值相关性　出处：《中国畜牧杂志》2017年07期 　论文类型：期刊论文

【摘要】：猪育种管理软件为猪育种工作和养猪场的管理提供了便利,育种值估计是育种管理系统的核心。但在实际应用中,不同软件育种值估计不一致给一线育种工作者带来了困扰。本研究选取国内广泛使用的GBS、Herdsman育种管理软件和科学研究中常用的DMU程序,以大白猪、长白猪和杜洛克猪的育种数据和模拟数据为材料,研究3款软件估计育种值之间的差异。结果表明:在数据和遗传评估模型及初始参数一致的情况下,DMU4和GBS由于采取相同的算法,估计育种值一致性高达0.99以上,DMU5育种值估计与DMU4高度一致;DMUAI基于约束极大似然方法,在相同条件下育种值估计准确性略高于DMU4和GBS;由于模型和初始参数未知,本研究Herdsman育种值估计与GBS和DMU一致性偏低。但鉴于Herdsman算法与DMU4和GBS一致,可以预测在相同模型下,GBS、Herdsman与DMU育种值估计应无差异。研究同时表明,软件对遗传评估评估结果影响不大,主要是具体遗传评估模型的配置。
[Abstract]:The management software of pig breeding provides convenience for pig breeding and management of pig farm. Estimation of breeding value is the core of breeding management system, but it is applied in practice. Different software estimates of breeding values have caused problems for first-line breeders. In this study, the widely used GBS in China was selected. The Herdsman breeding management software and the DMU program commonly used in scientific research are based on the breeding data and simulation data of large white pig, Landrace pig and Duroc pig. The differences between the estimated breeding values of the three softwares were studied. The results showed that DMU4 and GBS adopted the same algorithm when the data were consistent with the genetic evaluation model and the initial parameters. The consistency of estimated breeding value was as high as 0.99 and higher than that of DMU5. The estimated value of DMU5 was highly consistent with that of DMU4. Based on the constrained maximum likelihood method, the accuracy of DMUAI breeding value estimation is slightly higher than that of DMU4 and GBS under the same conditions. Because the model and initial parameters are unknown, the estimation of Herdsman breeding value is lower than that of GBS and DMU, but the Herdsman algorithm is consistent with DMU4 and GBS. It can be predicted that there should be no difference in the estimation of the breeding values between GBSU Herdsman and DMU under the same model. The results of the study also show that the software has little effect on the results of genetic evaluation. It is mainly the configuration of the specific genetic evaluation model.
【作者单位】：中国农业大学动物科学技术学院农业部动物遗传育种与繁殖重点实验室国家畜禽育种工程实验室;北京市畜牧总站;全国畜牧总站;
【基金】：国家生猪产业技术体系(CARS-36) 北京市科技计划项目(D151100004615004) 浙江畜禽育种专项(2016C02054-5)
【分类号】：S828.2
【正文快照】： 现代动物育种有2个基本特征:一是广泛应用现代遗传育种理论和方法,二是全面应用计算机技术,二者相辅相成,现代遗传育种理论和方法的一个基本原则是利用一切可以利用的信息和最先进的统计分析方法来进行育种工作。其中,根据畜禽性能测定对个体进行育种值估计,进而评价其种用价

【相似文献】