Table 7.

Effect of protease on jejunum digestive enzyme activities in weaned piglets fed a diet with different SBM levels.

Item, U/mg Prot	Normal		Low		SEM	p-Value
	0 mg/kg	150 mg/kg	0 mg/kg	150 mg/kg		Protease	SBM	SBM×Protease
Chymotrypsin	34.79	42.02	26.81	34.85	7.53	0.314	0.318	0.957
Trypsin	7433.36	8043.80	6807.55	7477.66	1576.93	0.687	0.707	0.985

Normal = normal soybean meal diet, Low = low soybean meal diet; SEM = standard error of means; SBM = soybean meal.