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Single nucleotide polymorphisms in suppressor of cytokine signalling-2 gene and association with feed conversion ratio and growth in pigs

E Piper, Y Chen, Yuandan Zhang, Bruce Tier, Hans Ulrich Graser, B G Luxford, C Moran

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The Suppressor of Cytokine Signalling-2 (SOCS2) is the main negative regulator of somatic growth through the mediation of growth hormone signalling (GH/IGF-1). Knock-out and naturally mutant mice have high growth phenotypes. We have mapped the porcine SOCS2 gene to chromosome 5q, located closely to a reported QTL for food conversion ratio (Lee et al., 2003). Here we report five single nucleotide polymorphisms identified by sequencing of the promoter region and exon 1. One PCR-RFLP assay was designed for genotyping the polymorphism at position 1667(A/G). Association analyses were performed in an Australian mapping resource pedigree (PRDC-US43) for a number of traits (feed conversion ratio, backfat, IGF-1 level and growth traits) and showed significant effects on average daily gain on test (ADG2) (p<0.01) and marginal association with feed conversion ratio (FCR) (p<0.08).
Original languageEnglish
Title of host publicationProceedings of the Seventeenth Conference for the Advancement of Animal Breeding and Genetics
EditorsAAABG: Association for the Advancement of Animal Breeding, Genetics
Place of PublicationArmidale, Australia
PublisherAssociation for the Advancement of Animal Breeding and Genetics (AAABG)
Pages53-56
Volume17
ISBN (Print)1921208139
Publication statusPublished - 2007
EventAAABG 2007: 17th Conference of the Association for the Advancement of Animal Breeding and Genetics - University of New England, Armidale, Australia
Duration: 23 Sept 200726 Sept 2007

Conference

ConferenceAAABG 2007: 17th Conference of the Association for the Advancement of Animal Breeding and Genetics
CityArmidale, Australia
Period23/09/0726/09/07

Keywords

  • Quantitative Genetics (incl Disease and Trait Mapping Genetics)

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