Table 4. Effect of replacing corn with soy hulls on apparent total tract digestibility (ATTD) of nutrient in growing pigs

Items (%)	CON	H1	H2	SE	p-value
Dry matter	74.7	76.9	74.5	2.1	0.168
Crude fiber	43.65b	63.17a	64.67a	2.89	0.008
Crude protein	74.4a	73.4a	71.8b	0.9	0.031
Gross energy	70.3	71.6	70.1	2.6	0.206

Means in the same row with different superscripts differ (p < 0.05).
CON, basal diet; H1, 5% replacing corn with soy hulls; H2, 10% replacing corn with soy hulls; SE, standard error.