Table 1 Proximal composition and essential amino acid profile of the different aqua feed ingredients
| Â | Fishmeal | Wheat meal | Wheat gluten | Broad Bean meal | Soybean meal | Pea meal | Sunflower meal | Squid meal | Krill meal |
|---|---|---|---|---|---|---|---|---|---|
Proximate composition (% dry weight) | |||||||||
 Dry matter | 90.3 | 87.8 | 93.3 | 89.0 | 88.1 | 86.6 | 89.6 | 88.0 | 88.8 |
 Ash | 16.8 | 1.6 | 0.9 | 3.0 | 7.1 | 3.4 | 6.7 | 9.1 | 10.4 |
 Crude lipid | 9.3 | 1.8 | 0.9 | 1.1 | 2.2 | 0.8 | 1.5 | 15.1 | 22.5 |
 Crude fiber | 0.1 | 2.8 | 0.4 | 9.1 | 3.6 | 6.2 | 18.7 | 0.9 | 4.0* |
 Non-starch polyssaccharides | 2.6 | 23.8 | 17.2 | 33.3 | 32.4 | 29.9 | 50.1 | 4.7 | 11.0 |
 Crude protein | 71.3 | 11.4 | 81.0 | 21.1 | 49.9 | 18.7 | 35.7 | 71.1 | 56.1 |
Essential amino acids (g 100 g− 1 dry matter) | |||||||||
 Arginine | 5.86 | 0.38 | 2.57 | 1.99 | 3.66 | 1.76 | 3.33 | 5.90 | 4.14 |
 Histidine | 2.54 | 0.26 | 1.45 | 0.74 | 1.42 | 0.58 | 1.14 | 1.85 | 1.26 |
 Isoleucine | 3.40 | 0.36 | 3.01 | 1.03 | 2.33 | 0.98 | 1.56 | 2.28 | 3.19 |
 Leucine | 6.55 | 0.80 | 5.79 | 2.04 | 4.22 | 1.78 | 2.48 | 4.16 | 4.67 |
 Lysine | 6.01 | 0.37 | 1.21 | 1.92 | 3.45 | 1.92 | 1.39 | 3.85 | 3.77 |
 Methionine | 2.30 | 0.22 | 0.88 | 0.31 | 0.92 | 0.36 | 1.00 | 1.76 | 1.66 |
 Phenylalanine | 3.73 | 0.49 | 4.31 | 1.10 | 2.60 | 1.11 | 1.86 | 2.14 | 2.97 |
 Threonine | 3.55 | 0.30 | 1.95 | 0.94 | 1.98 | 0.86 | 1.52 | 2.19 | 2.74 |
 Valine | 3.88 | 0.47 | 3.26 | 1.13 | 2.30 | 1.06 | 1.73 | 2.70 | 3.12 |