猪FSHβ基因多态性及其与产仔性能的相关性分析  

Polymorphism of FSH β Gene in Pig and Its Correlation with the Farrowing Performance

作　　者：甘乾福[1] 任播扬 乔慧[1] 许文娟[1] 林洁荣[1] 

机构地区：[1]福建农林大学动物科学学院,福建福州350002 [2]福建省畜牧总站,福建福州350013

出　　处：《畜牧与饲料科学》2011年第12期109-111,共3页Animal Husbandry and Feed Science

基　　金：福建省自然科学基金项目(2010J05042);福建农林大学青年教师科研基金项目(2010013)

摘　　要：以518头母猪(含杜洛克、长白、大白)为研究对象,以FSHβ基因为候选基因,采用PCR产物直接电泳法检测FSHβ基因位点的多态性。检出3种基因型,分别为AA、AB、BB基因型。将基因座不同基因型与总产仔数和产活仔数进行关联分析,结果表明,FSHβ基因在杜洛克、长白猪、大白猪中主要以BB基因型形式存在,B基因频率分别为96.67%、73.36%和86.01%,但对产仔数影响不显著(P>0.05)。不同基因型的猪头胎产仔数差异不显著(P>0.05),不同基因型对总产仔数的影响差异不显著(P>0.05)。总体而言,FSHβ基因在该位点的多态性与这3个猪种的头胎产仔数、总产仔数均无显著联系。Using FSHβ gene as the candidate gene, taking 518 sows （Duroc,Landrace,Yorkshire）as the research objects, the polymorphism of FSHβ gene sites was detected by electrophoresis of PCR products. Three genotypes were detected as AA ,A B,BB. The correlations between the genotypes of gene locus and total litter size, live litter size were analyzed. The results showed that the main genotype of FSHβ gene in Duroc ,Landrace and Yorkshire was BB genotype and the gene frequency of B in these three pig species were 96.67%, 73.36% and 86.01% respectively, but it had no significant effect on the litter size （P 〉0.05）. The first-born litter size of these three pig species with different genotypes had no significant difference （P〉0.05）. The effect of different genotypes on the total litter size had no significant difference （P 〉0.05）. In conclusion, the polymorphisms of FSHβ gene site had no significant correlation with the first- born litter size and total litter size of these three pig species.

关 键 词：FSHΒ基因 多态性 遗传效应 猪 

分 类 号：S828.2[农业科学—畜牧学]