Table 2. Rearing conditions and manufacturing processes of 5 sources of black soldier fly larva (BSFL; Hermetia illucens) ingredients in Exp. 2

Item Full-fat BSFL meal Defatted BSFL meal A Defatted BSFL meal B Defatted BSFL meal C Defatted BSFL meal D
Age (day) 15 15 15 15 15
Temperature (°C) 28 28 25 25 32
Relative humidity (%) 60 60 60 60 40
Type of feed Wet feed partially mixed with dried food waste Wet feed partially mixed with dried food waste Wet feed processed by food waste Wet feed processed by food waste Wet feed processed by food waste
Frequency of feeding One time per 15 days One time per 15 days One time per 10 days One time per 10 days One time a day
Killing or drying method Microwave drying Microwave drying Hot-air drying Microwave drying Microwave drying
Oil extraction method Not applicable Mechanical pressure at about 115°C Mechanical pressure at about 63°C Mechanical pressure at about 63°C Mechanical pressure at about 63°C
Particle size of grinding < 1.0 mm < 0.6 mm < 0.1 mm < 0.1 mm < 0.1 mm