Table 7.

Effects of dietary treatments on apparent starch and protein (N) digestibility coefficients in distal jejunum and distal ileum at 35 d post–hatch.

Item			Starch digestibility		Protein digestibility (N × 6.25)
Diet	CP, g/kg	Mode	Jejunum	Ileum	Jejunum	Ileum
1A (PC)	215.0		0.863	0.912	0.599	0.686
2B	197.5	Standard	0.865c	0.917b	0.613	0.774
5E	197.5	Modified	0.836bc	0.916b	0.526	0.758
3C	180.0	Standard	0.865c	0.918b	0.637	0.770
6F	180.0	Modified	0.790b	0.919b	0.561	0.760
4D	162.5	Standard	0.889c	0.921c	0.613	0.758
7G	162.5	Modified	0.711a	0.910a	0.526	0.722
SEM			0.0224	0.0020	0.0296	0.0562
Main effect: CP
197.5			0.854	0.917	0.601	0.766
180.0			0.827	0.919	0.599	0.769
162.5			0.800	0.916	0.569	0.740
Mode
Standard			0.873	0.919	0.622b	0.767
Modified			0.779	0.915	0.557a	0.749
Significance (P-value)
CP			0.099	0.274	0.519	0.211
Mode (M)			<0.001	0.019	0.012	0.212
CP × M interaction			0.008	0.006	0.651	0.641
Pair-wise comparisons (P-value)
1A versus 2B			0.949	0.077	0.768	0.001
1A versus 5E			0.722	0.182	0.121	0.002
2B versus 5E			0.387	0.654	0.067	0.883

N = nitrogen; CP = crude protein; PC = positive control.

^{a, b, c} Within a column, means not sharing a common superscript are significantly different at P < 0.05.