Effects of different dietary energy levels on growth performance, meat quality and nutritional composition, rumen fermentation parameters, and rumen microbiota of fattening Angus s... oleh Kaihao Chen, Yanghaoer Shui, Ming Deng, Ming Deng, Ming Deng, Yongqing Guo, Yongqing Guo, Yongqing Guo, Baoli Sun, Baoli Sun, Baoli Sun, Guangbin Liu, Guangbin Liu, Guangbin Liu, Dewu Liu, Dewu Liu, Dewu Liu, Yaokun Li, Yaokun Li, Yaokun Li