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Novel insight into the genomic architecture of feed and nitrogen efficiency measured by residual energy intake and nitrogen excretion in growing pigs

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  • Mahmoud Shirali
  • Carol-Anne Duthie
  • Andrea Doeschl-Wilson
  • Pieter W Knap
  • Egbert Kanis
  • Johan Am van Arendonk
  • Rainer Roehe

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    Rights statement: Copyright © 2013 Shirali et al.; licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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http://www.biomedcentral.com/1471-2156/14/121
Original languageEnglish
Pages (from-to)121
JournalBMC Genetics
Volume14
Issue number1
DOIs
Publication statusPublished - 2013

Abstract

Improvement of feed efficiency in pigs is of great economical and environmental interest and contributes to use limited resources efficiently to feed the world population. Genome scans for feed efficiency traits are of importance to reveal the underlying biological causes and increase the rate of genetic gain. The aim of this study was to determine the genomic architecture of feed efficiency measured by residual energy intake (REI), in association with production, feed conversion ratio (FCR) and nitrogen excretion traits through the identification of quantitative trait loci (QTL) at different stages of growth using a three generation full-sib design population which originated from a cross between Pietrain and a commercial dam line.

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