Effects of mixed silage containing corn straw and rape on the in vitro fermentation characteristics of rumen fluid from Tan sheep

• FENG Fan, 
• LI Hao, 
• YANG Jie, 
• GAO Qiaoxian, 
• YANG Yi, 
• ZHANG Juan, 
• WANG Jing, 
• ZHANG Jianyong, 
• XIN Guosheng