Rice bran is categorized as full fat rice bran (FFRB) or defatted rice bran (DFRB) that contains approximately
140 g/kg and 35 g/kg ether extract, respectively (NRC, 2012). The concentration of crude protein (CP) ranges from 150 g/kg
in FFRB to 173 g/kg in DFRB (NRC, 2012). Different procedures used in rice milling may negatively affect the digestibility and
availability of amino acids (AA) and CP by growing pigs (Kaufmann et al., 2005), but there is limited information about the
ileal digestibility of AA in rice co-products.