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当前位置: 首页 > 文章 > 闽西南黑兔肌纤维特性与肉质关系的研究 中国农学通报 2013 (20) 26-31
Position: Home > Articles > Study on Relationship Between Muscle Fiber Characteristics and Meat Quality in Minxinnan Black Rabbit Chinese Agricultural Science Bulletin 2013 (20) 26-31

闽西南黑兔肌纤维特性与肉质关系的研究

作  者：
陈岩锋;陈冬金;孙世坤;桑雷;谢喜平;吴信生;丁晓红
单  位：
扬州大学动物科学与技术学院;福建省农业科学院畜牧兽医研究所;龙岩市通贤兔业发展有限公司
关键词：
闽西南黑兔;肌肉pH;失水率;剪切力;肌纤维特性;相关性
摘  要：
为了探讨闽西南黑兔肌纤维组织学特性及其与肉质性状的相互关系。随机抽取70日龄、90日龄和120日龄的闽西南黑兔各12只(公母各半)进行屠宰,测定其背最长肌pH,背最长肌和后大腿肌失水率、剪切力、肌纤维特性等并进行相关性分析。结果表明:背最长肌pH6.30～6.55,背最长肌的失水率、剪切力、肌纤维直径、肌纤维面积、肌纤维密度分别为38.52%～41.00%、9.10～11.63N、34.67～42.28μm、879.15～1322.39μm2、332.10～419.09根/mm2,后腿肌的分别为37.66%～39.54%、21.66～24.80N、33.05～35.90μm、807.39～958.00μm2、368.60～427.40根/mm2;后腿肌剪切力明显高于背最长肌的剪切力;背最长肌肌纤维直径、面积120日龄明显高于70日龄和90日龄,背最长肌肌纤维密度则随日龄增加而逐渐降低;后腿肌肌纤维直径、面积和密度在不同日龄间无明显变化;肌纤维直径、面积和密度对肌肉失水率、pH和剪切力基本上无显著的影响。
译  名：
Study on Relationship Between Muscle Fiber Characteristics and Meat Quality in Minxinnan Black Rabbit
作  者：
Chen Yanfeng 1 , Chen Dongjin 1 , Sun Shikun 1 , Sang Lei 1 , Xie Xiping 1 , Wu Xinsheng 2 , Ding Xiaohong 3 ( 1 Institute of Animal Husbandry and Veterinary Medicine, Fujian Academy of Agricultural Sciences , Fuzhou 350013; 2 College of Animal Science and Technology, Yangzhou University , Yangzhou Jiansu 225009; 3 Longyan Tongxian Rabbit Husbandry Development Co. Ltd , Shanghang Fujian 364213)
关键词：
minxinnan black rabbit; muscle pH value; water loss rate; shear force value; muscle fiber characteristic; correlation
摘  要：
For the purpose of studding the relation between muscle fiber characteristic of minxinnan black rabbit and its meat quality traits, 12 minxinnan black rabbits (male:female=1:1) were randomly selected and slaughtered at 70 days old, 90 days old and 120 days old, respectively. After then, they were measured for the rabbit longissimus lumborum muscle pH. And longissimus dorsal muscle and hind leg muscle were sampled to measure water loss rate, shear force value, muscle fiber characteristics etc. The results showed that, the rabbit longissimus lumborum muscle pH was 6.30-6.55, water loss rate, shear force value, diameter of muscle fiber, area of muscle fiber, density of muscle fiber of longissimus dorsal muscle were 38.52%-41.00% , 9.10-11.63 N, 34.67-42.28 μm, 879.15-1322.39 μm 2 , 332.10-419.09 piece/mm 2 respectively; and that of hind leg muscle were 37.66%-39.54% , 21.66-24.80 N, 33.05-35.90 μm, 807.39-958.00 μm 2 , 368.60- 427.40 piece/mm 2 respectively. Shear force value of hind leg muscle was much higher than that of longissimus dorsal muscle. Diameter and area of longissimus dorsal muscle fiber at 120 days old were obviously higher thanthat at 70 days old and 90 days old. Density of muscle fiber of longissimus dorsal muscle reduces with the increase of age. There were no significant differences with different age in diameter, area and density of hind leg muscle, which also had no significant effect on water loss rate, pH and shear force value.

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