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藏猪3个繁殖性状主效基因多态性研究
引用本文:张浩,吴常信,强巴央宗,赵春江,李学文,凌遥.藏猪3个繁殖性状主效基因多态性研究[J].遗传,2007,29(8):939-944.
作者姓名:张浩  吴常信  强巴央宗  赵春江  李学文  凌遥
作者单位:1. 中国农业大学动物科技学院,北京,100094
2. 西藏农牧学院动物科学系,西藏林芝,860000
基金项目:国家科技攻关项目,科技部科技基础条件平台建设计划
摘    要:藏猪是我国高海拔特有猪种,为了解藏猪繁殖性能的遗传潜力和基因多样性,利用PCR-RFLP技术测定了202头藏猪ESR、FSHβ和PRLR 3个繁殖性状主效基因位点的基因型多态性,并与文献报道的国内外猪种进行比较。结果显示藏猪群体ESR、FSHβ和PRLR优势基因型分别为BB型、AB型和AA型,3个位点基因型分布均符合哈迪-温伯格平衡。藏猪群体3个繁殖性状主效基因位点都有报道的有利基因型,且有利等位基因频率较高,说明藏猪在这3个基因位点可能具有优良繁殖性能的遗传潜力。

关 键 词:藏猪  繁殖性状  ESR  FSHβ  PRLR
文章编号:10.1360/yc-007-0939
收稿时间:2006-11-29
修稿时间:2006-11-29

Polymorphisms of three major genes for reproductive traits in Tibet pigs
ZHANG Hao,WU Chang-Xin,CHAMBA Yangzom,ZHAO Chun-Jiang,LI Xue-Wen,LING Yao.Polymorphisms of three major genes for reproductive traits in Tibet pigs[J].Hereditas,2007,29(8):939-944.
Authors:ZHANG Hao  WU Chang-Xin  CHAMBA Yangzom  ZHAO Chun-Jiang  LI Xue-Wen  LING Yao
Institution:1. College of Animal Science and Technology, China Agricultural University, Bering 100094, China; 2. College of Agriculture and Animal Husbandry, Tibet University, Linzhi Tibet 860000, China
Abstract:Tibet pig is a special Chinese indigenous pig breed,which could survive in high-altitude areas of Tibet. In the present study,the genotypes of RSR,FSH-,and PRLR gene,the three known major genes of reproductive traits,were identified in 202 Tibet pig individuals. The results showed that the predominant genotypes of RSR,FSH-,and PRLR gene were BB,AB and AA,respectively. The genotype frequencies of the three genes were in Hardy-Weinberg equilibrium. The frequencies of desired alleles of the three genes were higher than those of other alleles,which indicated that Tibet pig had a good potential for improving reproductive traits.
Keywords:ESR  PRLR
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