黑龙江畜牧兽医Issue(3)：65-69,5.DOI:10.13881/j.cnki.hljxmsy.2025.06.0005
民猪肌肉脂肪代谢酶活性与肌内脂肪含量关系的研究
Study on the relationship between muscle fat metabolism enzyme activities and intramuscular fat content in Min pigs
摘要
Abstract
In order to investigate the intrinsic relationship between the activity of muscle fat metabolism enzymes and intramuscular fat content in Min pigs,and to analyze its effect mechanism on the tenderness of muscle,in the experiment,Min pigs and Large White pigs with 95 kg body weight were selected as the research subjects,and the activities of fat metabolism enzymes(MDH,FAS,LPL,and HSL),and muscle IMF content,shear force were determined.Pearson correlation analysis was used to analyze the effects of fat metabolism enzyme activity on IMF content and muscle tenderness in Min pigs.The results showed that the content IMF and the activity of MDH,FAS and LPL in Min pigs was significantly higher than those in Large White pigs(P<0.05),while the shear force and HSL activity were significantly lower than those in Large White pigs(P<0.05).MDH activity in the muscle tissue of Min pigs was extremely significantly positively correlated with the IMF content(P<0.01),and significantly negatively correlated with the shear force(P<0.05).FAS activity was negatively correlated with the shear force(P<0.05).LPL activity was significantly positively correlated with the IMF content(P<0.05).HSL activity was significantly negatively correlated with the IMF content(P<0.05),and significantly positively correlated with the shear force(P<0.05).The results indicated that the synergistic regulatory pattern through enhancing the activity of fat enzymes(MDH/FAS/LPL)and inhibiting the activity of fat-breaking enzymes(HSL)could significantly enhance the IMF deposition capacity and improve the tenderness of meat quality in Min pigs.关键词
民猪/大白猪/脂肪代谢酶/肌内脂肪/肌肉嫩度Key words
Min pigs/Large White pigs/fat metabolism enzymes/intramuscular fat/muscle tend分类
农业科技引用本文复制引用
李忠秋,陈赫书,刘娣,王文涛,吴赛辉,田明,亓美玉,张海峰,杨海成,何海娟,刘自广,何鑫淼..民猪肌肉脂肪代谢酶活性与肌内脂肪含量关系的研究[J].黑龙江畜牧兽医,2026,(3):65-69,5.基金项目
国家现代农业产业体系项目(CARS-36) （CARS-36）
黑龙江省农业科学院创新工程项目(2020YYYF014) （2020YYYF014）
