Table 1.
Ingredients, chemical composition, and fatty acid profile of dTM and experimental diets.
| dTM | CTRL | TM50 | TM100 | |
|---|---|---|---|---|
| Ingredients (%) | ||||
| Fishmeal 1 | 40.0 | 20.0 | - | |
| Defatted Tenebrio molitor larvae meal | - | 20.5 | 40.4 | |
| Soy protein concentrate 2 | 10.5 | 10.5 | 10.5 | |
| Soybean meal 3 | 13.0 | 13.0 | 13.0 | |
| Rapeseed meal 4 | 5.0 | 5.0 | 5.0 | |
| Wheat meal 5 | 16.2 | 15.2 | 14.3 | |
| Fish oil 6 | 14.0 | 13.3 | 12.5 | |
| Vitamin and mineral premix 7 | 1.0 | 1.0 | 1.0 | |
| Vitamin C | 0.1 | 0.1 | 0.1 | |
| Vitamin E | 0.1 | 0.1 | 0.1 | |
| Monocalcium phosphate | - | 1.0 | 2.0 | |
| L-Lysine | - | - | 0.2 | |
| L-Threonine | - | - | 0.2 | |
| L-Tryptophan | - | - | 0.1 | |
| DL-Methionine | 0.1 | 0.2 | 0.3 | |
| Chemical composition (% DM) | ||||
| Dry matter | 97.8 | 93.1 | 92.6 | 92.5 |
| Protein | 71.0 | 46.9 | 47.3 | 47.2 |
| Lipids | 12.1 | 19.7 | 19.8 | 19.0 |
| Gross energy (kJ g-1 DM) | 24.3 | 23.2 | 23.5 | 24.0 |
| Ash | 4.8 | 10.2 | 8.1 | 6.3 |
| Phosphorus | 0.8 | 1.2 | 1.2 | 1.0 |
The abbreviations for the experimental diets stand for: CTRL—control diet; TM50 and TM100—diets with 50 and 100% fishmeal replacement by insect meal; 1 Peruvian fishmeal super prime: 71% crude protein (CP), 11% crude fat (CF), Exalmar, Peru; 2 Soy protein concentrate: 65% CP, 0.7% CF, ADM Animal Nutrition, The Netherlands; 3 Soybean meal 48: dehulled solvent extracted soybean meal: 48% CP, 2% CF, Cargill, Spain; 4 Rapseed meal: 36% CP, 3% CF, PREMIX Lda., Portugal; 5 Wheat meal: 10% CP, 1% CF, Casa Lanchinha, Portugal; 6 Sardine oil, Sopropêche, France; 7 Vitamin and mineral premix: WISIUM, ADM Portugal S.A., Portugal.