猪的标记辅助育种研究

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1、上海交通大学硕士学位论文猪的标记辅助育种研究姓名：张令钢申请学位级别：硕士专业：动物营养与饲料科学指导教师：潘玉春20070101上海交通大学硕士学位论文意义。关键词：MAS，遗传评估，ESR基因，IGF2基因iiABSTRACTSTUDYONMARKER-ASSISTEDBREEDINGOFSWINEABSTRACTShanghaihasregardedandconstructedseedsourceagricultureasthedirectionofstrategicdevelopmentsincerecentyears.Inthissituation,Shanghaiswin

2、ebreedingfarmimportedsomeLargeWhitepigsfromAmericawhichisoneofShanghaicorebreedingbaseonswine.Fordevelopbreedingtaskeffectively,wehavecarriedoutaseriesofstudy,andhavegotthemaincontentandresultsofthestudyasbelow:1.constructionofon-farmbreedingsystem:wehavecombinedtheactualprobleminourcountryaswe

3、llastherealityofshanghaiandbuilton-farmbreedingsystemaccordingtonationalswinebreedingprojectsuchastechniqueofswineregisterandgeneticevaluationcriterionofleantypeswinetolayafoundationforfuturebreedingtask,whichcontainedswineregister,breedingflow,performancetest,geneticevaluation,swineselectionan

4、dmating.Inthisbasic,performancetest,evaluationofbreedingvalue,computationofmaternalandterminalindexandpedigreeanalysishavebeencarriedout.Besides,thesetaskshavedirectedselectionandmatingofswine.Meanwhile,wehaveanalyzedtherelativitybetweentheresultofgeneticevaluationaccordingtotheirperformanceand

5、theestimatedresultofswinecardinordertochecktheveracityofswineselectionanddirectfutureswineselectionfromforeigncountries.Theresultisthatthetwosortsofdatasarehighlyconsistent.2.studyonmarker-assistedbreeding:inordertoimproveveracityofswineselectionandmating,ESRandIGF2,whichwerestudiedmoreandconsi

6、deredbettereffect,wereusedtobethecandidategeneandcarryoutstudyonmarker-assistedbreeding.thesestudyincludedpolymorphismdistributingandeffectaboutreproductiontraitsandgrowthtraitsabouttheiii上海交通大学硕士学位论文twogenes.Besides,relativityanalysisbetweengeneticevaluationresulttogetherwithinformationofswine

7、cardandthistwogeneswasincluded.Finallywecanconludedthat:useofESRandIGF2genesformaker-assistedselectionwashighlyconsistentwithBLUPmethodforgeneticevaluation.Thatmeanspigswhichhavepredominancegenetypewillhavehighbreedingvalue.SoESRa