加拿大猪育种改良的计划.ppt

The Canadian Swine Improvement Program加拿大猪育种改良计划 Li Li 李黎 Programmer - Analyst Canadian Centre for Swine Improvement (CCSI) 加拿大猪育种改良中心软件分析师 CCSI History 加拿大猪改良中心的历史 Created in 1994 by the Canadian pork industry to provide leadership, coordination and services for swine genetic improvement 1994年由加拿大养猪业创立，以便为猪遗传改良提供指导，合作等服务。 Its member organizations are the regional swine improvement centres in Western Canada, Ontario, Québec and Atlantic Canada, the Canadian Pork Council, the Canadian Meat Council, and the Canadian Swine Breeders Association. 它的成员组织主要是一些区域性的猪改良中心，包括西部加拿大，安大略，魁北克，大西洋区，加拿大猪肉协会，加拿大肉类协会及加拿大种猪协会 Services to Canada and international clients 为加拿大和海外客户服务 Genetic evaluations 遗传改良 Database and Internet 数据库和网络工具 Research and development 研究和发展 Training 训练课程 Consulting 咨询顾问 National database 国家数据库 30 years of historical data 三十年的数据 Detailed performance records on 4 million purebred pigs 有四百万头猪的详细记录 Web-based tools for different purposes, e.g. data transfer, EBV report, selection decision, mating planning etc. 有基于网络的为不同目的服务的工具, 如数据传输, EBV报告, 选择决策, 配种计划等 Member Organizations 成员组织 Genetic Improvement遗传改良 Structure of the industry 养猪业的结构 Common Crossbreeding Systems with three breeds常用的三品种杂交 Objectives of genetic evaluation 遗传评估的目的 Identify the best animals for breeding, by using all information available (data and pedigree) 通过所有可获得的信息去鉴定最优良的牲畜用于育种（资料和系谱） Data recording, EBVs and continued improvement数据记录，预计育种值及持续的改良 The Canadian Swine Improvement Program加拿大猪改良计划 Genetic evaluations 遗传评估 Four step to generate EBVs 产生预计育种值的几个步骤 1. Data Collection 数据采集 2. Data Entry 数据输入 3. Data adjustment 数据调整? 4. Computer Program Execution 运行计算机程序 Genetic evaluation program遗传评估方案 Best Linear Unbiased Prediction (BLUP) for genetic evaluation(the national genetic evaluation program for swine) 用最佳线性无偏预测(BLUP)进行遗传评估 Data from about Entire country herds in across-herd evaluations 有来自全国的纯