Effects of stage of maturity and chop length on the release of cell contents of fresh ryegrass (Lolium perenne L.) during ingestive mastication in steers fed indoors Anne Boudon, C. Sinclair Mayne, Jean-Louis Peyraud and A. Scott LaidlawAnim. Res., 51 05 (2002) 349-365DOI: https://doi.org/10.1051/animres:2002029