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Polymorphisms in GnRH and LHR Genes and Their Effects on Bulls Sperm Quality Traits
Author(s): 
Pages: 5-8
Year: Issue:  22
Journal: China Dairy Cattle

Keyword:  精液品质荷斯坦牛河南地方肉牛GnRHLHRSperm qualityHolstein bullsBeef bullsGnRHLHR;
Abstract: 本试验采用PCR—RFLP方法分析了GnRH基因外显子2和LHR基因内含子9在144头中国荷斯坦牛和79头河南地方肉牛品种中的多态性,利用最小二乘法分析多态位点不同基因型与精液品质性状的关系。研究结果表明,2~3岁荷斯坦牛的鲜精活力显著高于4岁以上的牛,而畸形率显著低于7岁以上的牛。对2~4岁荷斯坦牛不同精液品质性状的简单相关分析表明,畸形率与顶体完整率和冻精活力呈显著的负相关(相关系数r分别为-...
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