期刊文献+

IGF-1基因5′调控区DNA序列多态性与新扬州鸡肌肉产量关系的研究 被引量:13

Correlation Analysis between Polymorphism of DNA Sequence of IGF-1 Gene Promoter and Muscle Yield in New Yangzhou Chickens
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摘要 以150只非同胞新扬州鸡为材料,采用PCR-RFLP法检测了该基因5′调控区DNA序列多态性,并运用线性模型统计方法分析了多态性与肌肉生长相关性状的关系。结果表明:新扬州鸡IGF-1基因5′调控区存在两种不同DNA序列,经Pst1酶切后出现3种基因型(“-/-”、“+/-”、“+/+”),-/-基因型频率为16%,+/-基因型频率为45.33%,+/+基因型频率为38.67%,基因型分布符合“哈代-温格伯定律”(P>0.05)。各基因型鸡的12周龄体重、屠体重、全净膛重、胸肌肉重和腿肌肉重的最小二乘均数存在“-/-”>“+/-”>“+/+”的趋势,且-/-基因型显著高于“+/+”型(P<0.05),-/-基因型胸腿肌肉总产量比+/+型高8.76%。基因型效应分性别考察与合并考察有相似的趋势。而胸肌率、腿肌率和全净膛率各基因型间差异均不显著(P>0.05)。
出处 《中国畜牧杂志》 CAS 北大核心 2005年第12期28-31,共4页 Chinese Journal of Animal Science
基金 江苏省农业三项工程[SX(2002)024] 扬州大学基金(NK0313102)
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参考文献10

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二级引证文献48

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