Ph. D. candidate Diego Navarro presents the results of a study investigating amino acid digestibility in enzyme-treated soybean meal, enzyme-treated extruded soybean meal, soy protein concentrate, conventional soybean meal, conventional 00-rapeseed expellers, and a fermented co-product mixture containing fermented 00-rapeseed meal, wheat bran, soy molasses, and potato peel. Adapted from a presentation at the 2014 ASDA-ASAS-CSAS Joint Annual Meeting, Kansas City, Missouri, July 20-24.