Linkage and QTL mapping for Sus scrofa chromosome 1

被引：36

作者：

Beeckmann, P

Schroffel, J

Moser, G

Bartenschlager, H

Reiner, G

Geldermann, H

机构：

[1] Acad Sci Czech Republ, Inst Anim Physiol & Genet, CR-27721 Libechov, Czech Republic

[2] Univ Hohenheim, Dept Anim Breeding & Biotechnol, Fachgebiet Tierzuchtung & Biotechnol, D-70599 Stuttgart, Germany

来源：

JOURNAL OF ANIMAL BREEDING AND GENETICS | 2003年 / 120卷

关键词：

D O I：

10.1046/j.0931-2668.2003.00418.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：

Linkage maps of Sus scrofa chromosome 1 (SSC1) have been produced using 10 markers in three different F-2 families based on crosses of Meishan (M), Pietrain (P) and Wild Boar (W). The maps were similar for the different families and show higher paternal recombination, especially in the interval SW2130-SW803. Quantitative trait loci (QTLs) affecting body conformation, carcass composition, fat deposition and numbers of teats were identified in all three families. Major QTLs were mapped in chromosomal intervals centred at approximately 60, 120 and 170 cM. The QTLs explain up to 8.4% of phenotypic variance in the F-2 generation. Pietrain QTL alleles were superior in comparison with Wild Boar an Meishan alleles for most of the trait values. Meishan alleles were associated with highest fat deposition. Additive gene effects were generally larger than dominance effects. QTL profiles on SSC1 differed between families, with the W x P family being most distinct.

引用

页码：1 / 10

页数：10

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