Table 4. The effect of replacement dietary of animal protein with insect meal (Hermetia illucens larvae) and additive the protease on the nutrient digestibility of in growing pigs (Exp1)

Items (%)	Protein source		Protease		SE	p-value
	PO	HIL	−	+		D	P	D × P
2 wk
DM	81.38	81.03	81.26	81.15	0.17	0.290	0.761	0.527
CP	75.09	73.97	74.40	74.66	0.26	0.033	0.618	0.462
GE	72.67	73.07	72.73	73.01	0.36	0.588	0.707	0.868
4 wk
DM	77.57	78.45	77.50	78.52	0.37	0.229	0.167	0.523
CP	73.82	72.05	72.85	73.02	0.41	0.033	0.832	0.891
GE	72.17	72.10	72.11	72.16	0.38	0.935	0.941	0.835

PO, poultry offal diet; HIL, Hermetia illucens larvae diet; D, diet; P, protease; DM, dry matter; CP, crude protein; GE, gross energy.