Table 3. Survival, growth and feed utilization of Atlantic salmon fed the control or microalga feeds for 84 days.
| 1C | 1L | 1H | ANOVA P-value | |
|---|---|---|---|---|
| Survival (%) | 100 | 100 | 100 | |
| Initial weight (g) | 214.5 ± 3.1 | 213.8 ± 2.7 | 218.0 ± 2.8 | 0.76 |
| Final weight (g) | 429.0 ± 12.2 | 420.2 ± 13.3 | 407.8 ± 12.1 | 0.50 |
| Weight gain (%) | 100.2 ± 5.1 | 96.3 ± 3.4 | 86.9 ± 3.2 | 0.09 |
| SGR (% day-1) | 0.82 ± 0.03 | 0.80 ± 0.02 | 0.74 ± 0.02 | 0.09 |
| TGC | 2.61 ± 0.10 | 2.54 ± 0.08 | 2.35 ± 0.08 | 0.12 |
| FI (% BW day-1) | 0.68 ± 0.01b | 0.70 ± 0.01ab | 0.75 ± 0.02a | 0.01 |
| FCR | 0.81 ± 0.02bc | 0.86 ± 0.02b | 1.00 ± 0.06a | 0.01 |
| PER | 2.20 ± 0.06 | 2.18 ± 0.06 | 2.03 ± 0.10 | 0.24 |
Specific growth rate–SGR. Thermal growth coefficient–TGC. Feed intake–FI. Feed conversion ratio–FCR. Protein efficiency ratio–PER. Different superscripts (a, b, c) in a row indicate statistically significant differences (P < 0.05) among groups. n = 6 tanks, values from 15 fish/tank, mean ± SEM