MC4R和NR6A1基因与大白猪×清平猪F2黑色群体的经济性状关联分析

doi:10.14088/j.cnki.issn0439-8114.2019.05.021

湖北农业科学 ›› 2019, Vol. 58 ›› Issue (5): 88-91.doi: 10.14088/j.cnki.issn0439-8114.2019.05.021

MC4R和NR6A1基因与大白猪×清平猪F₂黑色群体的经济性状关联分析

熊琪¹, 陈文娟², 彭健², 柴进², 刘洋¹, 陈明新¹, 杨军³, 杨峰³, 蒋思文²

1.湖北省农业科学院畜牧兽医研究所/动物胚胎工程及分子育种湖北省重点实验室,武汉 430064;
2.华中农业大学动物科技学院/农业动物遗传育种与繁殖教育部重点实验室,武汉 430070;
3.当阳市清平种猪场,湖北当阳 444100

收稿日期:2018-09-14 出版日期:2019-03-10 发布日期:2019-12-03
通讯作者: 潘典进（1964-）,男,湖北天门人,推广研究员,主要从事粮油作物栽培技术推广与研究工作,（电话）13607260308（电子信箱）pdj_rich@126.com。
作者简介:曾德斌（1963-）,男,湖北沙洋人,高级农艺师,主要从事农作物种子检验检测工作,（电话）13339770880（电子信箱）749963155@qq.com
基金资助:
荆门市科技计划项目（YFZD2016019）

Elucidating the relationship between MC4R,NR6A1 gene and economic traits of black pigs in Yorkshire×Qingping F₂ breed

XIONG Qi¹, CHEN Wen-juan², PENG Jian², CHAI Jin², LIU Yang¹, CHEN Ming-xin¹, YANG Jun³, YANG Feng³, JIANG Si-wen²

1.Hubei Key Laboratory of Animal Embryo Engineering and Molecular Breeding/Institute of Animal Husbandry and Veterinary,Hubei Academy of Agricultural Sciences,Wuhan 430064,China;
2.Key Laboratory of Agricultural Animal Genetics,Breeding,and Reproduction of Ministry of Education/College of Animal Science and Technology,Huazhong Agricultural University,Wuhan 430070,China;
3.Qingping Pig Farm in Dangyang City,Dangyang 444100,Hubei,China

Received:2018-09-14 Online:2019-03-10 Published:2019-12-03

摘要/Abstract

摘要： 选择MC4R和NR6A1基因分别对大白猪与清平猪杂交群体F₂后代中黑色个体的胴体和生长进行关联性分析,以期为生产实践中对清平猪杂交品系的选育提供理论依据。结果表明,MC4R的优势基因为G等位基因,不同基因型明显影响背膘厚,AA型个体的平均日增重与AG型个体差异显著（P<0.05）,与GG型个体差异极显著（P<0.01）,其有利基因型为GG型;NR6A1的优势基因为A等位基因,不同基因型对背膘厚的影响差异明显,其对胴体和生长性状的有利基因分别为A和G等位基因。

关键词: 清平猪, 候选基因, 胴体性状, 生长性状, 关联性分析

Abstract: MC4R and NR6A1 genes were selected to conduct correlation analysis on carcass and growth of black individuals in the offspring of F₂ hybridized populations of Yorkshire pigs and Qingping pigs respectively, in order to provide some theoretical basis for breeding Qingping pig hybrid lines in production practice. The results are as follows：the dominant gene of MC4R is G allele, the difference of different genotypes on backfat thickness is obvious, the average daily gain of AA individuals is significantly different from AG individuals （P<0.05）, and the positive genotype is GG compared with GG individuals（P<0.01）. The dominant gene of NR6A1 is A allele, and the effect of different genotypes on backfat thickness is obvious. The favorable genes for carcass and growth characters are A and G alleles, respectively.

Key words: Qingping pigs, candidate genes, carcass traits, growth traits, association analysis

中图分类号:

S828

熊琪, 陈文娟, 彭健, 柴进, 刘洋, 陈明新, 杨军, 杨峰, 蒋思文. MC4R和NR6A1基因与大白猪×清平猪F₂黑色群体的经济性状关联分析[J]. 湖北农业科学, 2019, 58(5): 88-91.

XIONG Qi, CHEN Wen-juan, PENG Jian, CHAI Jin, LIU Yang, CHEN Ming-xin, YANG Jun, YANG Feng, JIANG Si-wen. Elucidating the relationship between MC4R,NR6A1 gene and economic traits of black pigs in Yorkshire×Qingping F₂ breed[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(5): 88-91.

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MC4R和NR6A1基因与大白猪×清平猪F₂黑色群体的经济性状关联分析

Elucidating the relationship between MC4R,NR6A1 gene and economic traits of black pigs in Yorkshire×Qingping F₂ breed

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