Table 4.

Performance traits and prececal disappearance/digestibility of nutrients in the basal diet with (+) or without (−) phytase supplementation (least square means, pooled SEM; n = 7 pens per diet).

Trait	Phytase		SEM	P value
	−	+
Performance
ADG, g/D	68	67	2.5	0.662
ADFI, g/D	87	84	2.7	0.202
G:F, g/g	0.79	0.80	0.02	0.679
Prececal disappearance/digestibility, %
Essential amino acids
Arg	93	93	0.2	0.106
His	87b	88a	0.5	0.030
Ile	89	88	0.7	0.450
Leu	89	89	0.6	0.990
Lys	91	91	0.4	0.245
Met	95	95	0.4	0.940
Phe	88a	88a	0.6	0.721
Thr	85a,b	86a	0.6	0.441
Trp	84	85	0.9	0.211
Val	90	90	0.6	0.571
Nonessential amino acids
Ala	88	88	0.7	0.918
Asx	84	85	0.6	0.130
Cys	77	78	0.8	0.654
Glx	90	91	0.4	0.230
Gly	88	88	0.5	0.375
Pro	88	88	0.5	0.720
Ser	85	86	0.6	0.122
Tyr	88	88	0.7	0.702
InsP6	26b	83a	2.1	<0.001
P	68b	72a	1.7	0.040
Ca	55	51	0.6	0.191
CP	88	89	0.5	0.459
GE	85	85	0.5	0.793

Values in the same column not sharing the same superscript letter are significantly different (P ≤ 0.05).

Abbreviations: ADG, average daily weight gain; ADFI, average daily feed intake; Ca, calcium; CP, crude protein; GE, gross energy; G:F, gain:feed ratio; InsP6, phytate; P, phosphorus.