Genetic correlation between biopsied and post-mortem muscle fibre characteristics and meat quality traits in swine

被引：17

作者：

Lee, Seung-Hoon ^{[1
]}

Kim, Sangwook ^{[1
]}

Kim, Jun-Mo ^{[1
]}

机构：

[1] Chung Ang Univ, Dept Anim Sci & Technol, Anseong 17546, Gyeonggi Do, South Korea

来源：

MEAT SCIENCE | 2022年 / 186卷

关键词：

Pig; Muscle biopsy; Muscle fibre characteristics; Heritability; Genetic correlation; SKELETAL-MUSCLE; PERFORMANCE; CARCASS; PIGS;

D O I：

10.1016/j.meatsci.2022.108735

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Muscle fibre characteristics (MFCs) are related to lean meat production and meat quality. We newly estimated the heritability and genetic correlation of MFCs and meat quality in biopsied and post-mortem meat samples of 595 Jeju black pigs (JBPs). The cross-sectional area (CSA) (Type I: 0.76 and Type IIA: 0.89), % MF area (MFA) (Type I: 0.82), and % MF number (MFN) between the biopsied and post-mortem samples had high absolute genetic correlation coefficients. Moreover, the genetic correlation between the biopsied samples and drip loss (MFN of Type I: -0.77), lightness (CSA of Type I: 0.56), colour score (MFA of Type IIB: -0.79), and marbling score (CSA of Type IIB: 0.84 and MFA of Type IIA: -0.42) were moderate to high. Therefore, the MFCs of biopsied pre-mortem samples could predict the post-mortem MFCs and quality of the meat. Consequently, the biopsy method could be useful for the estimation of MFCs and meat quality in live JBPs.

引用

页数：6

共 26 条

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