A whole genome scan to detect quantitative trait loci for gestation length and sow maternal ability related traits in a White Duroc x Erhualian F2 resource population
A whole genome scan to detect quantitative trait loci for gestation length and sow maternal ability related traits in a White Duroc x Erhualian F2 resource population
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DOI：
10.1017/s1751731110000169
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发表时间：
2010-06-01
期刊：
影响因子：
3.6
通讯作者：
Huang, L. S.
中科院分区：
文献类型：
--
作者：
Chen, C. Y.;Guo, Y. M.;Huang, L. S.
妊娠期长短和母体能力对提高母猪繁殖效率和后代成活率具有重要意义。为定位妊娠期和母体能力相关性状（仔猪成活率和断奶仔猪平均体重）的数量性状基因座（QTL），对来自白色杜洛克×二花脸资源群的200头F（2）母猪进行了表型分析。用194个微卫星标记进行了全基因组扫描，覆盖了整个猪基因组。通过QTL express，采用复合回归区间作图法进行QTL分析。结果表明，仔猪总产仔数与妊娠期呈显著正相关（r =-0.13，P
Gestation length and maternal ability are important to improve the sow reproduction efficiency and their offspring survival. To map quantitative trait loci (QTL) for gestation length and maternal ability related traits including piglet survival rate and average body weight of piglets at weaning, more than 200 F(2) sows from a White Duroc x Erhualian resource population were phenotyped. A genome-wide scan was performed with 194 microsatellite markers covering the whole pig genome. QTL analysis was carried out using a composite regression interval mapping method via QTL express. The results showed that total number of born piglets was significantly correlated with gestation length (r = -0.13, P