Table 2.
Proximate composition of formulated rainbow trout feed. HIL0, 0% HIL; HIL25, 25% nonimmunized HIL replacement based on the weight of fishmeal; HIL50, 50% nonimmunized HIL replacement based on the weight of fishmeal; ImHIL25, 25% immunized HIL replacement based on the weight of fishmeal; ImHIL50, 50% immunized replacement based on the weight of fishmeal. DM, dry matter; CP, crude protein; EE, ether extract. The values were taken as mean of duplicate analysis.
| HIL0 | HIL25 | HIL50 | ImHIL25 | ImHIL50 | |
|---|---|---|---|---|---|
| Ingredients, g kg−1 | |||||
| Fish meal | 650 | 470 | 285 | 480 | 310 |
| Fish oil | 100 | 80 | 63 | 100 | 105 |
| Noninduced HI | - | 250 | 500 | - | - |
| Immune induced HI | - | - | - | 250 | 500 |
| Wheat meal | 200 | 150 | 102 | 120 | 35 |
| Gelatinized starch (D500) | 50 | 50 | 50 | 50 | 50 |
| Mineral mixture | 10 | 10 | 10 | 10 | 10 |
| Vitamin Mixture | 10 | 10 | 10 | 10 | 10 |
| Proximate composition | |||||
| DM, g kg−1 | 943.5 | 940 | 937.4 | 936.9 | 938.3 |
| CP, g kg−1 | 455.9 | 449.3 | 444.2 | 449.5 | 447.0 |
| EE, g kg−1 | 153.1 | 157.9 | 177.9 | 158.3 | 177.0 |
| Carbohydrate, g kg−1 | 184.4 | 189.6 | 145.0 | 155.6 | 147.8 |
| Ash, g kg−1 | 132.4 | 130.7 | 140.7 | 126.6 | 147.8 |
| Gross energy, cal g−1 | 4900.0 | 4899.0 | 4919.5 | 4808.0 | 4981.5 |