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猪PRLR和RBP4基因多态性与产仔性能的关系 被引量：36

Relationship of genetic polymorphism of PRLR and RBP4 genes with litter size traits in pig
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摘要 采用PCR-RFLP方法,对莱芜黑猪、鲁莱黑猪、里岔黑猪、鲁烟白猪、新沂蒙黑猪5个山东地方/培育猪种和大约克夏、长白、杜洛克3个引进猪种共8个猪种323头繁殖母猪进行PRLR和RBP4基因的多态性检测,并采用最小二乘法分析其对产仔数影响的遗传效应。结果表明:两个基因位点在8个猪种的测定群体中均存在多态性,但山东地方/培育猪种与引进猪种间在基因型频率上存在较大差异。PRLR和RBP4基因对产仔数性状有显著影响(P<0.05),AA均为优良基因型。对于PRLR基因,山东地方/培育猪种内AA基因型母猪的总产仔数和活产仔数比BB基因型母猪平均多产1.03头和0.89头,引进猪种中AA基因型母猪比BB基因型母猪平均多产分别为1.26头和1.11头。对于RBP4基因,山东地方/培育猪种内AA基因型母猪的总产仔数和活产仔数比BB基因型母猪平均多产0.59头和0.51头,引进猪种中AA基因型母猪比BB基因型母猪平均多产分别为0.72头和0.64头。 The polymorphism of prolactin receptor （PRLR） and retinol-binding protein 4 （RBP4） genes was detected by PCR-RFLP method, and the effects of PRLR and RBP4 genes on litter size traits in pig were analyzed by the least square analysis. Data of total number born （TNB） and number born alive （NBA） from 323 sows, including five Shandong local pig breeds and three foreign pig breeds, were collected. The results showed that the polymorphic sites of both PRLR and RBP4 genes were found in all populations tested. The genotype distribution, however, revealed great differences between Shan- dong local pig breeds and foreign pig breeds. The effects of genotypes on TNB and NBA were significant （P〈0.05）. The homozygote AA was the most prolific genotype. For PRLR gene, AA genotypic sows of Shandong local pig breeds and for- eign pig breeds produced 1.03 TNB, 0.89 NBA, and 1.26 TNB, 1.11 NBA more than BB genotypic sows, respectively. For RBP4 gene, AA genotypic sows of Shandong local pig breeds and foreign pig breeds produced 0.59 TNB, 0.51 NBA and 0.72 TNB, 0.64 NBA more than BB genotypic sows, respectively.
作者 孙延晓 曾勇庆 唐辉 樊新忠 陈其美 李华 钱源 宋一萍
机构地区 山东农业大学动物科技学院
出处 《遗传》 CAS CSCD 北大核心 2009年第1期63-68,共6页 Hereditas（Beijing)
基金 国家发改委生物育种高技术专项(编号:2007249051) 山东省农业良种工程重大课题优质瘦肉猪配套系选育项目(编号:2007LZ013) 山东省教育厅科技计划项目(编号:J07WF08)资助
关键词 猪 PRLR基因 RBP4基因 多态性 产仔数 pig PRLR gene RBP4 gene polymorphism litter size
分类号 S828 [农业科学—畜牧学]
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参考文献17

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二级参考文献58

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二级引证文献141

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