1、湖南農(nóng)業(yè)大學(xué)碩士學(xué)位論文HDAC1基因、PIT1基因與豬部分經(jīng)濟(jì)性狀相關(guān)性研究姓名：劉峰申請學(xué)位級(jí)別：碩士專業(yè)：動(dòng)物遺傳育種與繁殖指導(dǎo)教師：柳小春20050601StudiesoneffectsofHDACgeneandPIT1geneonpartialeconomictraitsinpigsAbstractPolymeraseChainReactionRestrainFragmentLength(PCRRFCP)thegeneticv

2、ariationsofHDACIgeneandPIT1genewerePolymorphismdetectedin515including8groups(DurocYYYorkshireXTDuroceZHLandraceZHNingXiangDaweiziTaoyuan)thenthegenotypefrequenciesandgenefrequenciescauculatedaccordingtothePCRRFLPthedifer

3、encesofgenotypefirequenciesPigsZH，weregroupswereanalyzedbyChiSquareTest.AtthesametimetheefectsongrowthtraitsandcarcasstraitsofHDACIgeneandPIT]genewereestimatedaccordingtotheirgrowthandslaughterdata.Themainresultsareshowe

4、dasfollows:1.ThegeneticpolymorphismandeffectofHDACIgene.ThereweregreatpolymorphismsinHinflrestrictionlociofHDACIgeneinDurocYYandTaoyuanbreed.ThefrequenciesofAlleleAinDurocandTaoyuanebreedswere0.71880.3192respectivelyther

5、ewerelitlepolymorphisminotherbreeds.ThereexistonlygenotypeGGinnativebreedNingXiangandDaweizi.TherewasnogenotypeAAinLandraceandYorkshireThedaysgetl00kgweightofHDACIGGwaslowerthanthatofHDACIAAinDurocitsefectwas5.56%Atthesa

6、metimetheGrowthIndexofHDACIGGwashigherthanthatofHDACIAAanditsefectwas9.46%.TheresultsindicatedtheHDACIGGhadbetergrowthperformancesthanHDACIAAthealleleGhadthepositiveefectsongrowthperformancesTheindividualswithHDACIGGhadt

7、hinnerbackfatthicknessandhigherleanpercentage.SowecouldimproveleanpercentagebyselectinggenotypeGGofHDACIalleleGhadthepositiveefectsonleanpercentageinpigs.2.ThegeneticpolymorphismandeffectsofPIT1geneThegenotypefrequencies