Effects of Exogenous Fibrolytic Enzyme on in vitro Ruminal Fermentation and Microbial Populations of Substrates with Different Forage to Concentrate Ratios

Chao-Yun Li, Yang-Chun Cao, Shi-Zhao Li, Ming Xu, Chan-Juan Liu, Zhi-Peng Yu, Xiang-Hui Zhao and Jun-Hu Yao

Journal of Animal and Veterinary Advances 12 ( 10 ): 1000 - 1006 , 2013