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Genome-wide association analysis of egg production performance in chickens across the whole laying period

机译:整个产蛋期间鸡产蛋性能的全基因组关联分析

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摘要

BackgroundEgg production is the most economically-important trait in layers as it directly influences benefits of the poultry industry. To better understand the genetic architecture of egg production, we measured traits including age at first egg (AFE), weekly egg number (EN) from onset of laying eggs to 80 weeks which was divided into five stage (EN1: from onset of laying eggs to 23 weeks, EN2: from 23 to 37 weeks, EN3: from 37 to 50 weeks, EN4: from 50 to 61 weeks, EN5: from 61 to 80 weeks) based on egg production curve and total egg number across the whole laying period (Total-EN). Then we performed genome-wide association studies (GWAS) in 1078 Rhode Island Red hens using a linear mixed model>.
机译:背景蛋的生产是分层中最重要的经济特征,因为它直接影响家禽业的利益。为了更好地了解产蛋的遗传结构,我们测量了以下特征:第一胎的年龄(AFE),从产卵开始到80周的每周卵数(EN),分为五个阶段(EN1:从产卵开始至23周,EN2:23周至37周,EN3:37周至50周,EN4:50周至61周,EN5:61周至80周,基于整个产蛋期间的产蛋曲线和总蛋数(总EN)。然后,我们使用线性混合模型对1078头罗德岛红母鸡进行了全基因组关联研究(GWAS)。

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