CAJ | 학술논문

以苏姜猪、长白猪×苏姜猪、大白猪×苏姜猪各60头为研究对象，分析了激素敏感酯酶（HSL）基因多态性与胴体性状、肌肉品质的相关关系。结果表明，HSL基因第1外显子经Bsa H I酶切后存在AA、AB和BB 3种基因型，其中苏姜猪中A等位基因占优势，频率为73.34%；杂交猪中B等位基因占优势，频率分别为56.66%和65.00%。相关性分析发现，苏姜猪AA型个体的平均背膘厚、肌内脂肪极显著高于BB型（P<0.01）。在大苏杂交猪群体中，AA型个体的嫩度显著地低于AB型、BB型（P<0.05）。因此，可通过提高AA基因型的频率来增加肌内脂肪含量，达到改善猪肉品质的目的。
이소강저、장백저×소강저、대백저×소강저각60두위연구대상，분석료격소민감지매（HSL）기인다태성여동체성상、기육품질적상관관계。결과표명，HSL기인제1외현자경Bsa H I매절후존재AA、AB화BB 3충기인형，기중소강저중A등위기인점우세，빈솔위73.34%；잡교저중B등위기인점우세，빈솔분별위56.66%화65.00%。상관성분석발현，소강저AA형개체적평균배표후、기내지방겁현저고우BB형（P<0.01）。재대소잡교저군체중，AA형개체적눈도현저지저우AB형、BB형（P<0.05）。인차，가통과제고AA기인형적빈솔래증가기내지방함량，체도개선저육품질적목적。
Total180pigswereselectedinthisexperiment,including60Sujiangpigs,anditscrossbreeds,60Changsupigs (Landrace× Sujiang)and60Dasupigs (LargeWhite×Sujiang),respectively.Thepolymorphism ofBsaH IinHSL geneexon1wasdetectedby PCR-RFLPmethodtoanalyzeitscorrelationwithcarcasstraitsandmeatquality.TherewastheHSLgeneexonIthroughtheBsaH Ienzyme digestioninthreegenotypesofAA,AB andBB,A allelewasdominantinSujiangpigsat73.34% andB alleleinthecrossbreedsat56.66%and65.00% .TheaveragebackfatthicknessandintramuscularfatcontentoftheAA genotypewereextremelysignificantlyhigherthanthose oftheBB genotype (P<0.01)inSujiangpigs,butthetendernessoftheAA genotypewassignificantlylowerthanthatoftheAB andtheBB genotype (P<0.05)in the Dasu pigs.So the intram uscularfatcontentcould be increased to im prove pork quality by increasing the frequency of AA genotype.