Table 8. The effect of replacement dietary of animal protein with insect meal (Hermetia illucens larvae) on digestibility of nutrient and amino acids in growing pigs (Exp 2)

Items (%)	Protein source		Protease		SE	p-value
	PO	HIL	−	+		D	P	D × P
Apparent total digestibility
DM	81.23	80.43	80.45	81.21	0.27	0.149	0.165	0.545
CP	81.14	79.21	79.71	80.64	0.37	0.005	0.128	0.856
GE	80.44	79.16	79.34	80.26	0.36	0.071	0.177	0.360
Essential amino acids
Arginine	92.53	90.58	91.46	91.65	0.36	0.004	0.738	0.272
Histidine	90.06	85.53	87.11	88.49	0.77	0.001	0.208	0.867
Isoleucine	81.18	79.75	80.04	80.88	1.08	0.554	0.727	0.665
Leucine	82.67	81.37	81.58	82.47	0.56	0.280	0.452	0.616
Lysine	85.77	82.84	83.74	84.87	0.59	0.009	0.254	0.601
Methionine	84.47	81.57	81.49	84.55	0.89	0.091	0.076	0.980
Phenylalanine	83.65	82.95	82.51	84.09	0.56	0.542	0.186	0.553
Threonine	81.59	80.44	79.49	82.54	0.57	0.190	0.003	0.347
Valine	80.29	78.80	78.69	80.40	0.60	0.223	0.164	0.764
Tryptophan	83.82	70.87	77.34	77.36	2.00	0.000	0.994	0.988
Total	84.70	82.75	83.14	84.31	0.50	0.050	0.221	0.626
Non-essential amino acids
Alanine	75.53	74.03	74.00	75.55	0.65	0.267	0.254	0.464
Aspartic acid	82.15	81.67	81.11	82.70	0.43	0.576	0.081	0.691
Cysteine	84.56	81.96	81.39	85.13	0.91	0.101	0.025	0.237
Glycine	81.09	76.81	79.52	78.39	0.75	0.000	0.224	0.031
Glutamic acid	86.77	86.69	86.41	87.05	0.27	0.885	0.266	0.247
Proline	84.88	84.03	84.62	84.29	0.43	0.376	0.713	0.416
Serine	84.08	83.56	84.02	83.62	0.36	0.506	0.604	0.265
Tyrosine	80.66	79.48	79.36	80.78	0.82	0.512	0.430	0.587
Total	83.46	82.64	82.67	83.43	0.30	0.180	0.210	0.428
Total amino acids	84.04	82.70	82.89	83.85	0.39	0.086	0.208	0.514

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