新疆褐牛与安格斯牛胴体及肉质性状及脂代谢相关基因表达差异比较

陈俐静,陈卓,李娜,孙亚伟,李红波,宋雯雯,张杨,姚刚

Comparison of the Carcass and Beef Quality Traits with the Expression of the Lipid Metabolism Related Genes Between Xinjiang Brown Cattle and Angus Beef Cattle

CHEN LiJing,CHEN Zhuo,LI Na,SUN YaWei,LI HongBo,SONG WenWen,ZHANG Yang,YAO Gang

表5 XBC和ABC背最长肌肌纤维组织学测量

Table 5 Histological measurement results of longissimus dorsi in XBC and ABC

单位 Unit XBC ABC P值 P value 肌纤维直径 Muscle fiber diameter μm 41.52±0.42a 32.86±0.24b 0.024 肌纤维密度 Muscle fiber density Number/mm2 236.95±45.34 291.21±24.66 0.260 单根肌纤维横截面积 Single muscle fiber cross-sectional area μm2 1495.02±31.92a 921.81±14.14b 0.033