Modulation of Atlantic salmon (Salmo salar) gut microbiota composition and predicted metabolic capacity by feeding diets with processed black soldier fly (Hermetia illucens) larvae meals and fractions

Table 1 Ingredient and chemical composition of experimental diets containing meals or fractions of black soldier fly (BSF) larvae^a

	CD	IM	DFIM	DCIM	IO	EX
Ingredients (%)
Fishmeal	22.50	18.57	18.57	18.57	22.50	21.78
Soy protein concentrate	34.50	28.48	28.48	28.48	34.50	33.39
Corn gluten	5.50	4.54	4.54	4.54	5.50	5.32
Full-fat BSF larvae meal	0.00	20.36	0.00	0.00	0.00	0.00
Defatted BSF larvae meal	0.00	0.00	14.89	0.00	0.00	0.00
De-chitinized BSF larvae meal	0.00	0.00	0.00	24.53	0.00	0.00
BSF larvae oil	0.00	0.00	0.00	0.00	6.24	0.00
BSF larvae exoskeleton	0.00	0.00	0.00	0.00	0.00	7.20
Wheat flour	14.65	14.65	14.65	14.65	14.65	14.65
Fish oil	16.00	10.47	14.75	5.82	10.05	15.36
Methionine	0.20	0.20	0.20	0.20	0.20	0.20
Choline chloride	0.15	0.15	0.15	0.15	0.15	0.15
Yttrium	0.01	0.01	0.01	0.01	0.01	0.01
Vit/min premix	0.65	0.65	0.65	0.65	0.65	0.65
Monocalcium Phosphate	0.80	0.80	0.80	0.80	0.80	0.80
Wheat bran	5.04	1.12	2.31	1.60	4.75	0.49
Chemical composition (%, wet-weight basis)
Dry matter	91.6	91.9	93.0	92.9	93.3	91.7
Crude protein	46.6	44.4	46.0	46.6	46.6	47.3
Crude lipid	19.6	20.3	17.8	12.9	18.3	17.0
Starch	13.1	12.2	12.4	12.4	12.6	11.7
Ash	6.70	6.60	6.77	7.23	6.70	6.61
Chitin		1.44	1.44	0.53		1.43

^aCD Control diet; IM Full-fat BSF larvae meal diet; DFIM Defatted BSF larvae meal diet; DCIM De-chitinized BSF larvae meal diet; IO BSF larvae oil diet; EX BSF larvae exoskeleton diet

ISSN: 2524-4671