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BMPR-IB基因突变对策勒黑羊产羔数的影响及其遗传规律的研究 被引量:16

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摘要 研究采用PCR-R FLP方法检测500只策勒黑羊BMPR-IB基因FecB突变的多态性,结果表明:策勒黑羊中FecB突变纯合子、杂合子、野生型的基因型频率分别是0.108、0.442和0.450,卡方适合性检验显示该位点在群体中处于Hard-Weinberg平衡状态。通过对公、母羊及羔羊的基因型分析,发现BMPR-IB基因突变位点(FecB)的遗传完全符合孟德尔遗传规律。最小二乘法分析有产羔记录的354只母羊平均产羔数与FecB基因的相关性,结果显示BB型、B+型与++型母羊产羔数差异极显著(P<0.01),表明BMPR-IB基因FecB突变显著影响了策勒黑羊的产羔数,是策勒黑羊多胎性能的主效基因之一。
出处 《中国畜牧杂志》 CAS 北大核心 2012年第3期14-17,共4页 Chinese Journal of Animal Science
基金 国家自然科学基金课题(30760161)
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