Article (Scientific journals)
Results of a whole-genome quantitative trait locus scan for growth, carcass composition and meat quality in a porcine four-way cross.
Harmegnies, Natacha; DAVIN, Fabienne; DE SMET, Samantha et al.
2006In Animal Genetics, 37 (6), p. 543-53
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Keywords :
quantitative trait loci; pig; meat quality; growth; Animals; carcass composition; Body Composition/genetics; Chromosome Mapping; Chromosomes, Mammalian; Crosses, Genetic; Female; Genome; Hybrid Vigor/genetics; Male; Meat; Phenotype; Sus scrofa/genetics
Abstract :
[en] 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%.
Disciplines :
Agriculture & agronomy
Zoology
Genetics & genetic processes
Author, co-author :
Harmegnies, Natacha ;  Université de Liège - ULiège > Département de gestion vétérinaire des Ressources Animales (DRA) > GIGA-R : Génomique animale
DAVIN, Fabienne ;  Centre Hospitalier Universitaire de Liège - CHU > Anatomie pathologique
DE SMET, Samantha ;  Centre Hospitalier Universitaire de Liège - CHU > Service administration des patients
Buys, N.
Georges, Michel   ;  Université de Liège - ULiège > Département de productions animales > GIGA-R : Génomique animale
Coppieters, Wouter  ;  Université de Liège - ULiège > Département de productions animales > Département de productions animales
 These authors have contributed equally to this work.
Language :
English
Title :
Results of a whole-genome quantitative trait locus scan for growth, carcass composition and meat quality in a porcine four-way cross.
Publication date :
2006
Journal title :
Animal Genetics
ISSN :
0268-9146
eISSN :
1365-2052
Publisher :
Blackwell Publishing, Oxford, United Kingdom
Volume :
37
Issue :
6
Pages :
543-53
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 08 November 2011

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