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当前位置: 首页 > 文章 > 纯种猪与杂交猪肉质性状及营养价值比较研究 肉类研究 2015 (10) 1-5
Position: Home > Articles > Comparison of Meat Quality and Nutritive Value of Purebred and Crossbred Pigs MEAT RESEARCH 2015 (10) 1-5

纯种猪与杂交猪肉质性状及营养价值比较研究

作  者：
章杰;苏军;柴捷;娄鹏博
单  位：
四川农业大学动物科技学院;西南大学荣昌校区动物科学系
关键词：
猪;杂交;肉质性状;营养价值
摘  要：
为研究杂交对猪肌肉肉质、激素、脂肪酸、矿物元素含量和肉质相关基因表达水平的影响,实验选取同一饲养条件下,180日龄的纯种长白猪、纯种约克夏猪及长白猪×约克夏猪二元杂交猪各6头,屠宰后采集背最长肌。结果表明:二元杂交猪与长白猪和约克夏猪相比,其肌肉滴水损失、粗脂肪含量、胰岛素含量、多种矿物元素含量和肉质相关基因(RYR1、CAST、IGF2、PPKAG3和MC4R)表达水平显著升高(P<0.05);而其剪切力、水分含量和多不饱和脂肪酸含量显著降低(P<0.05)。杂交对猪的肉质性状和营养成分含量影响显著,但不能判断对其综合影响是否有益。
译  名：
Comparison of Meat Quality and Nutritive Value of Purebred and Crossbred Pigs
作  者：
ZHANG Jie;SU Jun;CHAI Jie;LOU Pengbo;Department of Animal Science,Southwest University (Rongchang);College of Animal Science and Technology,Sichuan Agricultural University;
关键词：
pig;;hybridization;;meat quality;;nutritive value
摘  要：
The objective of this study was to understand how hybridization affects the meat quality,hormone,fatty acid,mineral elements content and meat quality-related gene expression levels of porcine longissimus dorsi muscles. Landrace,Yorkshire and Landrace × Yorkshire pigs(six animals from each breed) aged 180 days under the same raising conditions were used in this study. The results showed that Landrace × Yorkshire pigs had signifi cantly(P < 0.05) higher drip loss,IMF content,insulin level,mineral elements content and meat quality-related gene(RYR1,CAST,IGF2,PPKAG3 and MC4R) expression levels and signifi cantly(P < 0.05) lower shear force,moisture and polyunsaturated fatty acid contents in longissimus dorsi than Landrace and Yorkshire pigs,indicating that hybridization has a signifi cant impact on meat quality traits and nutrient contents of a pig,but it is diffi cult to judge their combined effect is positive or negative. Therefore further research is needed.

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