Table 4.
Means (±standard error) of mineral composition (g/kg DM) of Black Soldier Fly larvae reared on three different rearing substrates.
| Parameters | CM fed BSFL | KW fed BSFL | SG fed BSFL | p-values |
|---|---|---|---|---|
| Phosphorus | 3.9 ± 0.31 | 4.1 ± 0.33 | 4.6 ± 0.56 | 0.3446 |
| Potassium | 4.9a* ± 0.08 | 5.7b ± 0.04 | 4.4a ± 0.01 | 0.0005 |
| Calcium | 3.2a ± 2.32 | 2.b ± 1.41 | 1.7c ± 0.51 | <0.0001 |
| Magnesium | 4.0a ± 0.34 | 3.3b ± 0.06 | 3.5ab ± 0.09 | 0.0510 |
| Sodium | 2.4 ± 0.12 | 2.0 ± 0.09 | 2.6 ± 0.07 | 0.1371 |
| Iron | 0.6a ± 0.43 | 2.2b ± 0.00 | 0.3a ± 0.00 | 0.0045 |
| Copper | 0.4a ± 0.00 | 0.2a ± 0.00 | 0.5b ± 0.00 | 0.0006 |
| Manganese | 1.4a ± 0.01 | 0.9b ± 0.01 | 1.1a ± 0.01 | 0.0050 |
| Cobalt | 4.6a ± 0.01 | 2.6b ± 0.01 | 6.5c ± 0.02 | <0.0001 |
| Zinc | 0.3 ± 0.01 | 0.3 ± 0.01 | 0.3 ± 0.02 | 0.1831 |
| Ca: P (ratio) | 8.3 | 5.2 | 3.7 |
*Means (n = 2) in the same row followed with different superscripts are significantly different at p < 0.05; CM, Chicken Manure; KW, Kitchen Waste; SG, Spent Grain; BSFL, Black Soldier Fly larvae.