Table 2.
Insect biomass yield, waste mass reduction, and feed-conversion ratio of multi-insect biorefinery system operated with YMW and BSF and comparison to single-species conversion
| Initial larval mass (g)Ww | Total biomass of final larvae (g)Ww | Total biomass of final larvae (g)Dw | Average larval growth rate (g/day)ww | Larval mass gain (g)Dw | Final larvae water content (%) | Dry mass reduction rate (%) | FCR | |
|---|---|---|---|---|---|---|---|---|
| First stage (YMW)a | 38.72 ± 0.01 | 53.57 ± 1.39 | 15.78 ± 1.03 | 0.00014 ± 0.97 | 4.37 ± 0.59 | 70.57 ± 1.13 | 20.57 ± 1.77 | 10.79 ± 1.24 |
| Second stage (BSF)b | 0.74 ± 0.03 | 19.64 ± 2.51 | 4.28 ± 0.41 | 0.0018 ± 0.51 | 4.12 ± 0.41 | 78.21 ± 1.60 | 38.72 ± 1.01 | 17.16 ± 0.46 |
| Control (only BSF)c | 0.88 ± 0.01 | 12.40 ± 0.02 | 2.88 ± 0.01 | 0.0014 ± 0.12 | 2.67 ± 0.05 | 76.81 ± 2.28 | 39.89 ± 0.02 | 28.59 ± 3.32 |
Ww wet weight, Dw dry weight
aFirst stage of multi-insect biorefinery of corn stover using YMW
bSecond stage of multi-insect biorefinery of corn stover using BSF
cOnly BSF applied for corn stover transformation as a control for comparison