动物营养学报 >

2014 , Vol. 26 >Issue 7: 1769 - 1779

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.07.008

禽营养 Poultry Nutrition

NRC鸡营养标准饲养条件下蓝孔雀肌纤维结构与肉质性状的相关性

  • 杨富民 ,
  • 文鹏程 ,
  • 李晨曦
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  • 甘肃农业大学食品科学与工程学院, 兰州 730070

收稿日期: 2014-01-30

  网络出版日期: 2014-07-01

基金资助

国家科技部科技人员服务企业项目（2009GJG10020）

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Correlation between Muscle Fiber Structure and Meat Quality Traits of Blue Peacock Under the Chickens Nutrition Standards of NRC

  • YANG Fumin ,
  • WEN Pengcheng ,
  • LI Chenxi
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  • College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China

Received date: 2014-01-30

  Online published: 2014-07-01

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摘要

本研究旨在确定蓝孔雀肌纤维组织结构与肉质性状的相关性。选取NRC（1994）鸡营养标准饲养条件下30月龄成年健康蓝孔雀及三黄鸡（对照组）各24只，雌雄各占1/2，采用石蜡切片、苏木精-伊红染色、显微成像及透射电镜方法对蓝孔雀背部、颈部、翅部、腿部及胸部肌纤维结构特征及肉质性状进行了较为系统的研究，并对其相关性进行了分析。结果表明：1）雌蓝孔雀各部位肌纤维比例均小于雄蓝孔雀，颈部肌纤维比例最大，腿部最小。2）雌、雄蓝孔雀肌纤维平均直径差异不显著（P>0.05），但各部位差异显著（P0.05）。雄蓝孔雀翅部、腿部肌肉失水率显著低于背部、胸部（P<0.05），雌三黄鸡腿部显著低于胸部（P<0.05）。4）肌纤维直径与肌纤维面积、剪切力呈极显著正相关（P<0.01），与肌纤维密度、失水率、pH24呈极显著负相关（P<0.01），与肌纤维比例、pH1呈显著正相关和负相关（P<0.05）。肌纤维密度与剪切力、肌纤维直径、肌纤维面积呈极显著负相关（P<0.01），与失水率、pH1、pH24呈极显著正相关（P<0.01）。肌纤维比例与肌节长度呈极显著负相关（P<0.01）。综上所述，本文初步确定了蓝孔雀肌纤维结构与肉质性状的相关性。

关键词： 蓝孔雀; 肌肉; 肌纤维结构; 相关性

本文引用格式

杨富民 , 文鹏程 , 李晨曦 . NRC鸡营养标准饲养条件下蓝孔雀肌纤维结构与肉质性状的相关性[J]. 动物营养学报, 2014 , 26(7) : 1769 -1779 . DOI: 10.3969/j.issn.1006-267x.2014.07.008

Abstract

This experiment was conducted to study the correlation between muscle fiber structure and meat quality traits of blue peacock. Twenty-four healthy 30-month-old blue peacock and Sanhuang chickens (control group) were selected, half male and half female, using the methods of paraffin section, hematoxylin-eosin staining, microscope images and transmission electron microscopy to study the muscle fiber structure and meat quality traits in back, neck, wing, leg and chest of blue peacock, and analyzed the correlation between muscle fiber structure and meat quality traits. The results showed as follows: 1) the muscle fiber proportion in different parts of female blue peacock was lower than that of male blue peacock, the muscle fiber proportion in neck was the highest, while the muscle fiber proportion in leg was the lowest. 2) There was no significant difference in the average muscle fiber diameter between female and male blue peacock (P>0.05), however, there was significant difference in different parts (P0.05). The muscle water-loss rate in wing and chest were significantly lower than that in back and leg of male blue peacock (P<0.05), and the muscle water-loss rate in leg was significantly lower than that in chest of female Sanhuang chickens (P<0.05). 4) The muscle fiber diameter had significant positive correlation with muscle fiber area and shearing force (P<0.01), and had significant negative correlation with muscle fiber density, water-loss rate and pH24 (P<0.01), and had significant positive and negative correlation with muscle fiber proportion and pH1 (P<0.05). The muscle fiber density had significant negative correlation with shearing force, muscle fiber diameter and muscle fiber area (P<0.01), and had significant positive correlation with water-loss rate, pH1 and pH24 (P<0.01). The muscle fiber proportion had significant negative correlation with sarcomere length (P<0.01). In conclusion, the correlation between muscle fiber structure and meat quality traits of blue peacock is primarily confirmed in this paper.

Key words： blue peacock; muscle; muscle fiber structure; correlation

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