Table 2. In vitro ileal disappearance (%) of dry matter and crude protein in test ingredients

Item	Xylanase (XU/g):	0	0	150	150	SEM	p-value
	β-Mannanase (U/g):	0	600	0	600		Xylanase	β-Mannanase	Xylanase × β-mannanase
Wheat
Dry matter		88.0	87.4	86.9	87.2	0.3	0.084	0.690	0.167
Crude protein		84.4	85.6	86.7	85.8	0.8	0.169	0.861	0.238
Copra meal
Dry matter		51.5	52.8	50.9	53.4	0.3	0.970	< 0.001	0.056
Crude protein		84.7	85.0	84.2	85.2	0.3	0.627	0.051	0.257
Palm kernel expellers
Dry matter		33.7b	35.4a	33.9b	34.2ab	0.3	0.132	0.009	0.045
Crude protein		74.8	76.7	75.5	75.8	0.5	0.927	0.042	0.121

Least squares of means within a row without a common superscript letter are different (p < 0.05).