Black Soldier Fly Larvae Meal vs. Soy Protein Concentrate Meal: A Comparative Digestibility Study in Barramundi (Lates calcarifer)

Table 3

Composition (in g kg⁻¹ DM, unless otherwise specified) and pellet characteristics of control, black soldier fly (BSF), and soy protein concentrate (SPC) diets compared with commercial feed (Com).

	Control	BSF	SPC	Com
Proximate composition
DM^1	922.0	901.6	903.6	913.6
Ash	93.2	109.5	84.2	120.4
CP^2	598.8	577.9	616.4	545.1
CL^3	158.4	156.4	121.7	159.8
Fiber	1.2	22.4	10.1	18.2
NFE^4	148.4	133.9	167.6	156.5
GE^5	22.9	22.5	22.4	22.2
Yttrium oxide	0.7	0.4	0.4	—
Pellet physical characteristics
Diameter (mm)	6.6	6.5	6.1	8.1
Bulk density (g l^−1)	594.0	543.0	672.7	593.0

¹Dry matter (g kg⁻¹), ²crude protein, ³crude lipid, ⁴nitrogen-free extract, and ⁵gross energy (MJ kg⁻¹ DM).