数量性状位点
生物
遗传学
遗传建筑学
染色体
特质
基因组
动物科学
基因
计算机科学
程序设计语言
作者
Tomas Axelsson,Óscar Ramírez,J. Casellas,Gloria Muñoz,Armand Sánchez,C. Barragán,M Arqué,I. Riart,C. Óvilo,J. L. Noguera,Marcel Amills,Carmen Rodrı́guez
标识
DOI:10.1111/j.1365-2052.2010.02169.x
摘要
A considerable number of fatness QTL have been identified in growing pigs, but there is a lack of knowledge about the genetic architecture of this trait in gilts and sows. We have performed a genome scan, in 255 Iberian × Meishan F(2) sows, for backfat thickness (BF) at 150 (BF(150) ) and 210 (BF(210)) days of age, 30 days after conception (BF(30)) and 7-10 days before farrowing (BF(bf)). We have found one BF150 QTL in SSC6 (120 cM) that was highly significant (P < 0.001) at the chromosome-wide level and suggestive at the genome-wide level (P < 0.1). Ten additional chromosome-wide significant QTL were found for sow BF(150) (SSC1, SSC13), BF(210) (SSC6, SSC8, SSC15), BF(30) (SSC5, SSC6) and BF(bf) (SSC1, SSC6, SSC13). The location of several of the BF QTL varied depending on the growing and reproductive status of the sow, suggesting that part of these genetic effects may have a temporal pattern of phenotypic expression.
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