Effects of peptidic fractions from Saccharomyces cerevisiae culture on growth and metabolism of the ruminal bacteria Megasphaera elsdenii Filippo Rossi, Aldo Di Luccia, Donatella Vincenti and Pier Sandro CocconcelliAnim. Res., 53 3 (2004) 177-186DOI: https://doi.org/10.1051/animres:2004009