甘肃高山细毛羊优质毛品系微卫星标记与经济性状相关性分析

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1、SummaryThegeneticdiversityof153samplesinHighQualityFineWoolStrainofGansualpineFineWoolsheepwerestudied，byusingfifteenmicrosatelliteloci．Microsatellitemarkers．phenotypecorrelationanalysiswasmadebySPSS13．0．Theresultsindicatedthattherehadhighgeneticpolymorphisma

2、tfourteenlociexceDtonelocusamongthe15microsatelliteloci．Themeannumberofalleleswas10，etYectivenumberofalleles7．1，meanheterozygosity0．85，polymorphismsinformationcontent0．83．ItshowedthatHighQualityFineWoolStrainofGansuAlpineFineWoolSheephadrichergeneticdiversity

3、andmoreselectionpotential·SOwecallst。engthentheprocessofselectionandbreeding．Correlationanalysisofthose14polymorphicMicrosatellitelociwitheconomicphenotypesshowedthatthereweresignificantcorrelation(P<0．05)orextremesignificantcorrelation(p<0．01)among7microsate

4、llitelociwithwoolandweighttraits·Theyareasfollowing：BMS1724hasasignificantimpactonweaningstaplelength，BM6506aextremesignificantimpactonweaningstaplelength；BL·4andBMS1248asignificantimpactonstaplelengthat12months，BM6506aextremesignificantimpactonstaplelen酉hat1

5、2months；BM6506asignificantimpactonbellystaplelengthat12mon也s：BL．4，BMS1248andBMS1724asignificantimpactongreasyfleeceweightat12months．BM6506aextremesignificantimpactongreasyfleeceweightat12months；BL．4asignificantimpactoncleanfleeceweightat12months，BMS1724asigni

6、ficantimpactoncleanfleeceweightat12monthsandmeanwoolfibrediameterat12months，BM6506aextremesignificantimpactoncleanfleeceweightat12monthsandmeanw001fibrediameterat12months；URB037asignificantimpactoncleanwoolyieldat12months．MCM38aextremesignificantimpactonclean

7、woolyield；FCB48andMCM38asignificantimpactoncoefficientofvariationofwoolfibrediameterat12molaths；BMS1248andBM6506haveasignificantimpactonbodyweightatbirth；BMSl248andBMSl724haveasignificantimpactonyearlingweight·Themultiplecomparisonwasmadebetweengenotypesandth

8、emarkerswhichhavecorrelationswitheconomictraits．Theresultsareasfollowing：Consideringweaningstaplelength，186／186isthedominantgenotypeinthemarkerBM6506；156／168，160／176，164／176and164／186aret