This book addresses various aspects of in vitro digestibility: - Application of meta-analyses and machine learning methods to predict methane production; - Methane production of sainfoin and alfalfa; - In vitro evaluation of different dietary methane mitigation strategies; - Rumen methanogenesis, rumen fermentation, and microbial community response; - The role of condensed tannins in the in vitro rumen fermentation kinetics; - Fermentation pattern...