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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

From: Insect biorefinery: a green approach for conversion of crop residues into biodiesel and protein

  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
  1. Ww wet weight, Dw dry weight
  2. aFirst stage of multi-insect biorefinery of corn stover using YMW
  3. bSecond stage of multi-insect biorefinery of corn stover using BSF
  4. cOnly BSF applied for corn stover transformation as a control for comparison