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Title: Effect of the insulin-like growth factor-II and RYR1 genotype in pigs on carcass and meat quality traits
Authors: Van den Maagdenberg, K
Stinckens, Anneleen
Claeys, E
Buys, Nadine
De Smet, Stefaan # ×
Issue Date: Oct-2008
Publisher: Elsevier sci ltd
Series Title: Meat science vol:80 issue:2 pages:293-303
Abstract: Recently, a new QTN (quantitative trait nucleotide), which is located in the regulatory sequence of the imprinted IGF-II gene was discovered in the pig and is associated with a significant increase in IGF-II mRNA expression in skeletal muscle during postnatal growth. The aim of the current study was to investigate the effect of the IGF-II paternal allele (Apat and Gpat animals that inherited, respectively, the mutant and wild type paternal allele of interest) on carcass and meat quality traits in Nn and NN RYR1 genotypes. A total of 141 animals were measured, almost equally distributed over the IGF-II and RYR1 genotypes and gender. The Apat allele increased carcass lean meat percentage with approximately 4.5% (P < 0.001) as a result of decreased backfat thickness. Average live weight daily gain was not affected, hence average daily lean meat gain was significantly higher for Apat compared to Gpat animals. The IGF-II mutation had no noticeable effect on meat quality in contrast with the RYR1 mutation. No interaction effects of both mutations on meat quality were noticed. (C) 2007 Elsevier Ltd. All rights reserved.
URI: 
ISSN: 0309-1740
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Gene Technology (-)
× corresponding author
# (joint) last author

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