猪轮回杂交的杂种优势之辩证  

A dialectical analysis of heterosis in rotational crossbreeding of pigs

作　　者：喻传洲[1] Chuanzhou Yu(Huazhong Agricultural University,Wuhan,Hubei 430070,China)

机构地区：[1]华中农业大学,湖北武汉430070

出　　处：《猪业科学》2021年第11期26-29,4,共5页Swine Industry Science

摘　　要：文章辩证地分析了猪轮回杂交的利与弊。作者指出:畜禽经济杂交在实践中应用的各类方法都有其适用范围和局限性。只要掌握了杂种优势的基本原理以及获得杂种优势的方法,就能在生产实践中扬长避短,将轮回杂交的缺点降到最低,并将其优点发挥到极致。This paper dialectically analyzes the advantages and disadvantages of porcine rotational crossbreeding.The author points out that all kinds of methods applied in the practice of economic hybridization of livestock and poultry have their scope of application and limitations.As long as you master the basic principles of heterosis and the methods of obtaining heterosis,you can make full use of its strengths and avoid the weaknesses in production practice,minimize the shortcomings of the rotational crossbreeding,and maximize its advantages.

关 键 词：杂种优势 经济杂交 轮回杂交 终端杂交 基因纯合度 

分 类 号：S828[农业科学—畜牧学]