Ileal digestibility of amino acids and estimates of endogenous amino acid losses in pigs fed wheat, triticale, rye, barley, maize and sorghum Catherine Jondreville, Jan van den Broecke, François Gâtel, François Grosjean, Sabine van Cauwenberghe and Bernard SèveAnim. Res., 50 2 (2001) 119-134DOI: https://doi.org/10.1051/animres:2001120