猪MYOG基因遗传多态性与胴体及肉质性状的相关性
Correlation of genetic polymorphisms of MYOG gene with carcass and meat quality traits in pigs
杨又兵 1钱凯凤 1刘永建 1任旭鸽 1周臣 1游祥宾1
作者信息
- 1. 河南科技大学动物科技学院,河南 洛阳 471023
- 折叠
摘要
通过测定约 180 日龄的 8 个群体(梅山、大白、长白、大白×梅山F1代、梅山×大白F1代、长白×大白F1代、大白×长白F1代以及大白×梅山F2代)459头猪胴体性状、肉质性状以及肌细胞生成素基因(MYOG)多态性,分析MYOG在猪群体中的遗传效应.结果表明:MYOG在猪群体中呈现 3 种基因型,即AA、AB、BB;群体瘦肉率的提高与BB基因型显著相关,相较于AA与AB基因型,其提高幅度分别为 3.57%和 3.28%;在大白×梅山F2代群体中,MYOG的基因型与背最长肌pH值、股二头肌pH值呈显著相关;在大白×梅山F1代群体中,MYOG基因型与股二头肌大理石纹MM2呈显著相关.
Abstract
This study investigated the genetic effects of myogenin gene(MYOG)polymorphism on carcass traits,meat quality traits,and muscle fiber characteristics by analyzing 459 pigs from eight populations at approximately 180 days of age(Meishan,Yorkshire,Landrace,Yorkshire×Meishan F1,Meishan×Yorkshire F1,Landrace×Yorkshire F1,Yorkshire×Landrace F1,and Yorkshire×Meishan F2).Results showed that MYOG exhibited 3 genotypes(AA,AB,BB)in the pig populations.An increase in lean meat percentage was significantly associated with the BB genotype,with increases of 3.57%and 3.28%compared to the AA and AB genotypes,respectively.In the Yorkshire×Meishan F2 population,MYOG genotype was significantly correlated with pH values of the eye muscle and biceps femoris muscle;while in the Yorkshire×Meishan F1 population,the genotype of MYOG was significantly correlated with marbling score(MM2)of biceps femoris muscle.
关键词
猪/肌细胞生成素基因/多态性/胴体性状/肉质性状Key words
pocine/myogenin(MYOG gene)/polymorphism/carcass traits/meat quality trait引用本文复制引用
基金项目
河南省科学技术厅攻关项目(222102110477)
出版年
2024
国家科技期刊平台
NSTL
万方数据