1. The availability of amino acids as an attribute of feeds;Austic,1983
2. Availability and utilization of amino acids for growing pigs;Batterham;Nutr. Res. Rev.,1992
3. Availability of lysine in protein concentrates as determined by the slope-ratio assay with growing pigs and rats and by chemical techniques;Batterham;Br. J. Nutr.,1979
4. A new protein evaluation system for pig feeds and its practical application;Boisen;Acta Agric. Scand., Sect. A, Anim. Sci.,1998
5. Different expressions of dietary protein and amino acid digestibility in pig feeds and their application in protein evaluation: A theoretical approach;Boisen;Acta Agric. Scand., Sect. A, Anim. Sci.,1996