北京油鸡的肌肉组织学特性分析

畜牧兽医学报

北京油鸡的肌肉组织学特性分析

安建勇¹，秦会杰²，陈思睿³，郑江霞³，杨宁^3*

(1.天津市农业科学院畜牧兽医研究所，天津 300112；2.天津市武清区动物疫病预防控制中心，天津 301700；3.中国农业大学动物科技学院家禽遗传实验室，北京100193)

收稿日期:2011-11-13 出版日期:2013-01-23 发布日期:2013-01-23
通讯作者: 杨宁，教授， E-mail: Nyang@cau.edu.cn
作者简介:安建勇（1981-），男，天津人，博士，主要从事鸡、猪育种和肉品质方面研究, E-mail:anjianyongs@163.com
基金资助:
国家科技部“十一五科技支撑计划”项目“畜禽产品品质检测与可追溯新技术研究”支持(2006BAD14B04)

The Analyses of Muscle Histology Characteristics in Beijing-You Chicken

AN Jian-yong¹, QIN Hui-jie², CHEN Si-rui³, ZHENG Jiang-xia³, YANG Ning^3*

(1. Institute of Animal Husbandry and Veterinary, Tianjin Academy of Agricultural Sciences,Tianjin 300112, China; 2. Animal Disease Prevention Center of Wuqing District,Tianjin 301700, China; 3. College of Animal Science and Technology, China Agricultural University, Beijing 100193, China)

Received:2011-11-13 Online:2013-01-23 Published:2013-01-23

摘要/Abstract

摘要：

旨在研究北京油鸡的肌肉组织特性及其与肉品质的关系。试验以北京油鸡为主，并选用AA肉鸡和来航鸡作为参考。收集了胸大肌的肌纤维直径、肌纤维束直径、总纤维数目、总纤维束数目、肌内膜厚度等性状数据，并进行了多重比较，结果发现，油鸡的纤维直径为31.42 μm，与来航鸡差异不显著(P>0.05)，与肉鸡的纤维直径(45.03 μm)差异显著(P＜0.05)；北京油鸡的肌纤维总数为7.00×10⁵根，显著多于来航鸡(6.26×10⁵根，P＜0.05)，并显著小于肉鸡(8.34×10⁵根，P＜0.05)。对3个品种的肉品质进行了测定，收集了剪切力、韧性、肉纤维指数和绵软度性状数据，并进行了多重比较。结果显示，北京油鸡的韧性为25 452 g·s^-1居中，来航鸡的韧性(27 397 g·s^-1)最大，肉鸡的韧性(22 705 g·s^-1)最小；纤维指数分析显示，北京油鸡的纤维指数为5.62，与肉鸡5.14没有显著差异(P>0.05)，但是与来航鸡8.10有显著差异(P＜0.05)。纤维性状与肉品质性状的相关分析表明，韧性与纤维直径呈极显著的负相关(P＜0.01)，相关系数为-0.27；肉纤维指数与纤维直径呈显著的负相关(P＜0.05)，相关系数为-0.24。结果表明，北京油鸡的肌纤维结构特性是影响其肉品质的关键因素。

Abstract:

The objective of the present experiment was to study the relationship between muscle histology characteristics and meat quality in Beijing-You chicken. AA broiler and Leghorn chicken were selected as comparison groups. Muscle fiber diameter (MFD), fiber bundle diameter (FBD), total fiber number (TFN), total fiber bundle number(TFBN) and the thickness of endomysium (TE) of the pectoralis major had been detected. The MFD of Beijing-You chicken was 31.42 μm and it had no significant difference with Leghorn chicken(P>0.05), but it had significant difference with AA broiler(P＜0.05) whose MFD was 45.03 μm. The TFN of Beijing-You chicken was 7.00×10⁵, it was thicker than that of Leghorn chicken(6.26×10⁵, P＜0.05) and it was finer than that of AA boiler (8.34×10⁵, P＜0.05). The shear force value (SFV), shear force energy (SFE), fiber index (FI) and tender degree (TD) of the pectoralis major was also detected in the experiment. The result of multiple comparisons was as follow. The SFE of Beijing-You chicken was 25 452 g·s^-1, it was smaller than that of leghorn chicken(27 397 g·s^-1, P＜0.05) and larger than that of AA broiler (22 705 g·s^-1, P＜0.05). The FI of BeijingYou was 5.62, it had no significant difference with that of AA broiler (5.14, P>0.05) and it was significantly smaller than that of Leghorn chicken(8.10, P＜0.05). The Pearson correlation analysis was also done between muscle fiber characteristics and meat quality traits. The correlation coefficient of SFE and FD was -0.27. The correlation coefficient of FI and MFD was -0.24. The meat quality of Beijing-You chicken was mainly decided by the characteristics of the muscle tissue.

中图分类号:

S831.2

安建勇，秦会杰，陈思睿，郑江霞，杨宁. 北京油鸡的肌肉组织学特性分析[J]. 畜牧兽医学报, doi: .

AN Jian-yong, QIN Hui-jie, CHEN Si-rui, ZHENG Jiang-xia, YANG Ning. The Analyses of Muscle Histology Characteristics in Beijing-You Chicken[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, doi: .

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