Key Laboratory of Feed Biotechnology of Ministry of Agriculture&National Engineering Research Center of Biological Feed Feed Research Institute Chinese Academy of Agricultural Sciences No.12 Zhongguanchun South Street Haidian District Beijing 100081 China;
College of Animal Science and Technology Yangzhou University No.48 Wenhui East Road Yangzhou 225009 Jiangsu China;
Antioxidant enzyme; Broiler; Controlled atmosphere stunning; Gas stunning; Lipid peroxidation; MAPK/Nrf2/ARE; Meat color; Oxidative stress;