Table 3. The effect of replacement dietary of animal protein with insect meal (Hermetia illucens larvae) and additive the protease on the growth performance in growing pigs (Exp1)

Items	Protein source		Protease		SE	p-value
	PO	HIL	−	+		D	P	D × P
BW (kg)
Initial	28.1	27.9	28.0	28.0	0.3	0.880	0.997	0.985
2 wk	38.9	37.8	38.4	38.3	0.4	0.255	0.800	0.404
4 wk	50.4	49.4	49.3	50.4	0.4	0.390	0.252	0.383
ADG (g)
0 to 2 wk	776	706	746	737	15	0.036	0.608	0.079
2 to 4 wk	818	820	778	861	13	0.634	0.001	0.742
0 to 4 wk	797	765	764	798	9	0.164	0.056	0.059
ADFI (g)
0 to 2 wk	1,710	1,752	1,740	1,722	24	0.339	0.740	0.059
2 to 4 wk	1,915	2,043	2,006	1,953	33	0.075	0.506	0.448
0 to 4 wk	1,814	1,903	1,877	1,840	31	0.098	0.413	0.413
G:F (g/g)
0 to 2 wk	0.458	0.406	0.434	0.429	0.010	0.011	0.580	0.642
2 to 4 wk	0.434	0.413	0.397	0.450	0.009	0.499	0.006	0.823
0 to 4 wk	0.447	0.412	0.416	0.443	0.008	0.042	0.075	0.646

PO, poultry offal diet; HIL, Hermetia illucens larvae diet; D, diet; P, protease; BW, body weight; ADG, average daily gain; ADFI, average daily feed intake; G:F, gain:feed.