Table 1 Ingredient composition and weight (grams) for each of the formulated experiment diet sources, their protein and energy content, and their δ13C and δ15N isotope (‰) values.
Source 1 | Source 2 | Source 3 | Source 4 | Source 5 | |
|---|---|---|---|---|---|
Fishmeal (g) | 461 | 455.8 | 0 | 0 | 229.2 |
Soya (g) | 0 | 0 | 632.7 | 643.7 | 315.2 |
Maize (g) | 536.8 | 0 | 333.4 | 0 | 217.5 |
Rice (g) | 0 | 526 | 0 | 289.2 | 213.5 |
Sunflower oil (g) | 0 | 16 | 31.7 | 64.9 | 22.3 |
Vitamix (g) | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 |
Protein (%) | 35.0 | 35.0 | 35.0 | 35.0 | 35.0 |
Protein digestible (%) | 30.2 | 30.2 | 33.6 | 33.7 | 32.0 |
Energy level (MJ/kg) | 18.7 | 18.7 | 18.7 | 18.7 | 18.7 |
Energy level (kcal/kg) | 4477.7 | 4476.6 | 4476.6 | 4476.6 | 4476.9 |
\(\delta {}^{13}C\) (‰) | − 14.7 ± 0.01 | − 23.5 ± 0.02 | − 22.9 ± 0.06 | − 26.8 ± 0.08 | − 21.9 ± 0.76 |
\(\delta {}^{15}N\) (‰) | 9.9 ± 0.26 | 10.8 ± 0.06 | 1.4 ± 0.52 | 0.8 ± 0.03 | 4.5 ± 0.83 |
