Journal
ANIMAL GENETICS
Volume 37, Issue 4, Pages 419-421Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1365-2052.2006.01482.x
Keywords
economic traits; HMGA1; MC4R; pig breeding
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The aim of this study was to analyse the combined effect of melanocortin 4 receptor (MC4R) and high mobility group AT-hook 1 (HMGA1) polymorphisms on growth and fatness traits in Duroc pigs. No significant interaction was observed between MC4R and HMGA1 for back-fat traits. An additive mode of inheritance of both gene effects was found for average daily gain and lean meat content. Maximum mean differences from combined genotypic effects were over 2 mm for back fat, 70 g/day for average daily gain and 2% for lean meat content. Therefore, utilization of polymorphisms in both MC4R and HMGA1 for marker-assisted selection could result in an economic benefit to the pig industry.
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