Results of a whole-genome quantitative trait locus scan for growth, carcass composition and meat quality in a porcine four-way cross

被引：49

作者：

Harmegnies, N.

Davin, F.

De Smet, S.

Buys, N.

Georges, M.

Coppieters, W.

机构：

[1] Fac Vet Med, Unit Anim Genom, B-4000 Liege, Belgium

[2] Ctr Biomed Integrat Genoproteom, B-4000 Liege, Belgium

[3] Univ Ghent, Dept Anim Prod, Lab Anim Nutr & Anim Prod Qual, B-9090 Melle, Belgium

[4] Katholieke Univ Leuven, Dept Biosyst, Div Gene Technol, B-3001 Louvain, Belgium

来源：

ANIMAL GENETICS | 2006年 / 37卷 / 06期

关键词：

carcass composition; growth; meat quality; pig; quantitative trait loci;

D O I：

10.1111/j.1365-2052.2006.01523.x

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

A whole-genome quantitative trait locus (QTL) scan for 31 phenotypes related to growth, carcass composition and meat quality was conducted using 1187 progeny of a commercial four-way cross. Animals were genotyped for 198 microsatellite markers that spanned the entire porcine genome. QTL analysis was conducted to extract information from paternal and maternal meioses separately using a rank-based nonparametric approach for half-sib designs. Nine QTL exceeded genome-wide significance: one QTL affecting growth (average daily gain on SSC1), two QTL influencing carcass composition (fatness on SSC3 and muscle mass on SSC15) and six QTL influencing meat quality (tenderness on SSC4 and SSC14; colour on SSC5, SSC6 and SSCX; and conductivity on SSC16). All but one of these coincided with previously reported QTL. In addition, we present evidence for 78 suggestive QTL with a combined false discovery rate of 40%.

引用

页码：543 / 553

页数：11

共 10 条

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