Table 6.

Apparent ileal digestibility (AID; %) of CP and AA in dried yeast and soybean meal fed to growing pigs and basal ileal endogenous losses (BEL; g/kg DMI) of CP and AA in growing pigs fed nitrogen-free diet in Exp. 2¹

	AID, %
	Diet				BEL, g/kg DMI
Item	Dried yeast	Soybean meal	SEM	P-value	Mean	SD
CP	65.4	79.7	1.64	<0.001	13.6	1.44
Indispensable AA
Arg	76.8	86.6	1.70	0.006	0.513	0.0644
His	75.8	84.9	0.87	<0.001	0.171	0.0276
Ile	74.4	83.5	0.91	<0.001	0.316	0.0617
Leu	77.0	83.6	0.82	0.001	0.534	0.0996
Lys	77.2	82.7	0.92	0.006	0.439	0.0762
Met	76.2	85.5	1.04	<0.001	0.083	0.0222
Phe	76.7	84.6	0.87	<0.001	0.306	0.0559
Thr	57.4	74.8	0.89	<0.001	0.498	0.0466
Trp	74.3	85.0	0.71	<0.001	0.124	0.0306
Val	71.5	78.6	0.86	0.001	0.453	0.0642
Dispensable AA
Ala	74.3	77.7	1.39	0.139	0.487	0.0597
Asp	73.8	81.0	0.84	<0.001	0.724	0.1135
Cys	21.0	74.4	1.82	<0.001	0.166	0.0243
Glu	81.0	86.4	1.03	0.010	0.858	0.1434
Gly	49.0	64.4	4.71	0.061	1.085	0.1176
Pro	18.8	34.2	17.43	0.556	3.173	0.8015
Ser	59.5	79.5	1.02	<0.001	0.421	0.0376
Tyr	73.0	82.6	1.02	<0.001	0.258	0.0536

¹Each least squares mean represents 7 observations.