Table 3.
Adult mortality (%) (after 1-week), number of alive larvae, total larval dry weight (mg), mean individual larval dry weight, total dry feed consumed (mg), and efficiency of ingested food conversion (ECI, %) of Tenebrio molitor larvae fed on different cereal flours for 10 weeks.
| Diet components | Adult mortality (%) | Number of alive larvae | Total larval dry weight (mg) | Individual larval dry weight (mg) | Total dry feed consumed (mg) | ECI (%) |
|---|---|---|---|---|---|---|
| Barley meal | 3.3 ± 2.1 ab | 52.0 ± 7.2 b | 170.6 ± 39.5 abc | 3.3 ± 0.4 ab | 2,064.7 ± 251.1 abc | 8.0 ± 1.0 bc |
| Corn flour | 6.7 ± 3.3 ab | 120.7 ± 19.9 ab | 67.8 ± 7.6 cd | 0.6 ± 0.1 ef | 1,376.4 ± 223.7 cd | 5.2 ± 0.4 bcd |
| Durum wheat flour | 6.7 ± 3.3 ab | 123.0 ± 20.6 ab | 517.2 ± 116.0 a | 4.3 ± 0.9 a | 3,313.3 ± 890.6 abc | 16.9 ± 1.4 a |
| Millet flour | 1.7 ± 1.7 b | 49.5 ± 13.1 b | 15.3 ± 3.9 e | 0.3 ± 0.1 f | 878.6 ± 208.8 d | 1.8 ± 0.3 e |
| Oat flour | 16.7 ± 4.9 a | 153.5 ± 5.4 a | 104.2 ± 7.7 bcd | 0.7 ± 0.1 ef | 1,881.2 ± 144.1 abc | 5.6 ± 0.2 bcd |
| Rice flour | 1.7 ± 1.7 b | 51.5 ± 6.4 b | 50.3 ± 16.1 de | 1.0 ± 0.3 def | 1,519.1 ± 137.5 bcd | 3.1 ± 0.7 de |
| Rye flour | 6.7 ± 3.3 ab | 149.3 ± 13.4 a | 148.1 ± 18.2 abc | 1.0 ± 0.1 cde | 2,986.7 ± 212.6 ab | 4.9 ± 0.4 bcd |
| White flour | 3.3 ± 2.1 ab | 107.5 ± 37.1 ab | 251.6 ± 112.5 abc | 2.1 ± 0.5 bc | 3,508.1 ± 726.5 a | 5.6 ± 1.7 cd |
| Whole meal flour | 0.0 ± 0.0 b | 56.2 ± 19.9 b | 99.6 ± 34.4 cd | 1.8 ± 0.2 bcd | 1,891.4 ± 318.7 abcd | 4.6 ± 0.9 cd |
| Zea flour | 8.3 ± 4.8 ab | 121.3 ± 18.9 ab | 293.1 ± 42.3 ab | 2.5 ± 0.1 b | 3,118.2 ± 300.9 ab | 9.2 ± 0.6 ab |
| F | 2.4 | 5.7 | 14.9 | 22.9 | 7.2 | 18.5 |
| P | 0.023 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
In all cases, values represent means ± SEM (n = 6).
Within each column, means followed by the same lowercase letter are not significantly different (in all cases df = 9, 59; Tukey–Kramer HSD test at P = 0.05).