the increased excretion of fecal aa following starch infusion resulted in lowered ( p less than .05 ) ad ( percentage units ) of indispensable aa , threonine ( 8.4 ) , methionine ( 6.7 ) , valine ( 6.6 ) and lysine ( 5.0 ) ;
C0002525
indispensable aa
C0025646
methionine