广益黑猪胴体和肉质性状研究及相关性分析  

Study and Correlation Analysis on Carcass and Meat Quality Traits of Guangyi Black Pigs

作　　者：任慧波[1] 陈晨[1] 钟昕 谢菊兰[1] 孙宗炎 邓缘[1] 朱吉[1] 胡雄贵[1] 崔清明[1] 彭英林[1,3] REN Huibo;CHEN Chen;ZHONG Xin;XIE Julan;SUN Zongyan;DENG Yuan;ZHU Ji;HU Xionggui;CUI Qingming;PENG Yinglin(Hunan Institute of Animal and Veterinary Science,Changsha 410131,China;Hunan Guangyi Agricultural Development Corporation,Xinhua 417600,China;College of Animal Science and Technology,Hunan Agriculture University,Changsha 410128,China)

机构地区：[1]湖南省畜牧兽医研究所,湖南长沙410131 [2]湖南广益农业开发集团股份公司,湖南新化417600 [3]湖南农业大学动物科技学院,湖南长沙410128

出　　处：《家畜生态学报》2021年第9期22-26,共5页Journal of Domestic Animal Ecology

基　　金：湖南省重点实验室开放研究基金项目(2017TP1030);湖南省重点研发计划项目(2017NK2331)。

摘　　要：试验旨在对广益黑猪的胴体性状和肉质性状进行评估。选取105 kg左右的健康广益黑猪30头,进行屠宰测定,主要测定屠宰率、背膘厚、眼肌面积和瘦肉率等胴体性状及pH、肉色、大理石纹和肌内脂肪等肉质性状。结果表明,广益黑猪的屠宰率和瘦肉率分别为72.02%和57.41%,滴水损失和肌内脂肪分别为1.75%和3.09%。性状间相关性分析表明,广益黑猪的胴体瘦肉率与宰前活重、胴体重、平均背膘厚呈显著负相关(P<0.05);肌内脂肪与大理石纹呈极显著正相关(r=0.956,P<0.01),二个指标间线性模型Y=0.037+0.98X,决定系数R 2为0.9141,模型准确度较高。研究结果表明,广益黑猪具有良好的胴体性状和肌肉品质,性状间也存在一定的相关性,为今后的进一步选育提供了参考。The aim of this study was to evaluate carcass and meat quality traits of Guangyi Black Pigs.30 Guangyi Black Pigs with the average body weight of approximately 105 kg were slaughtered to measure the carcass traits such as dressing percentage,backfat thickness,loin eye area,lean percentage,and meat quality as pH,meat color score,and marbling score,intramuscular fat.The results showed the dressing percentage and lean percentage of Guangyi Black Pigs were 72.02%.57.41%,and drip loss and intramuscular fat were 1.75%and 3.09%,respectively.Correlation analysis showed that the lean percentage of Guangyi Black Pigs was negatively correlated with live weight before slaughter,carcass weight and average backfat thickness(P<0.05).And intramuscular fat was positively correlated with marbling score(r=0.956,P<0.016).The linear model of the two indexes was Y=0.037+0.98X,and R 2 was 0.9141.The results of this study indicate that Guangyi Black Pig has good carcass and meat quality traits and there is correlation between the traits,providing an important reference for future breeding.

关 键 词：广益黑猪 胴体性状 肉质性状 相关性分析 

分 类 号：S828.91[农业科学—畜牧学]