Amanzougarene, Z., Yuste, S. and Fondevila, M. 2021. Short communication: Effect of pre-activated Saccharomyces cerevisiae or malate salts on fermentation of ground barley grain under in vitro conditions simulating intensive ruminant feeding. Spanish Journal of Agricultural Research. 19, 2 (Jun. 2021), e06SC02. DOI:https://doi.org/10.5424/sjar/2021192-17728.