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

doi:10.14088/j.cnki.issn0439-8114.2019.05.021

HUBEI AGRICULTURAL SCIENCES ›› 2019, Vol. 58 ›› Issue (5): 88-91.doi: 10.14088/j.cnki.issn0439-8114.2019.05.021

• Animal Husbandry & Veterinary Medicine • Previous Articles Next Articles

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

Abstract

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

CLC Number:

S828

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

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