Table 1.
Mean weight, condition factor and thermal growth coefficient ± SD (n = 15 for sampled fish) of Atlantic salmon in open net-pen and semi-closed containment system (S-CCS) 1 and 4 months (1 M/4 M) post seawater transfer.
| Freshwater | One month post transfer | Four months post transfer | Wilcoxon test | Weight | CF | |||
|---|---|---|---|---|---|---|---|---|
| Smolt | S-CCS | Net-pen | S-CCS | Net-pen | Groups system:time | p-value | p-value | |
| Sampled (measured) | ||||||||
| Weight (g) | 101 ± 4.2 | 111.8 ± 23.8 | 113.3 ± 19.6 | 407.2 ± 83.4 | 659.9 ± 289.4 | Net-pen:1 M - S-CCS:1 M | 0.5202 | 0.9834 |
| CF | 1.15 ± 0.01 | 0.99 ± 0.06 | 0.98 ± 0.07 | 1.10 ± 0.07 | 1.18 ± 0.23 | Net-pen:1 M - S-CCS:4 M | <0.0001 | 0.0002 |
| TGC | n.a. | n.a. | n.a. | 2.87 ± 0.67 | 2.87 ± 1.07 | Net-pen:4 M - S-CCS:1 M | <0.0001 | 0.0212 |
| Production (estimated) | Net-pen:4 M - S-CCS:4 M | 0.0619 | 0.2451 | |||||
| Weight (g) | n.a. | 136 | 132 | 444 | 733 | Net-pen:1 M - Net-pen:4 M | <0.0001 | 0.0135 |
| TGC | n.a. | n.a. | n.a. | 3.04 | 2.80 | S-CCS:1 M - S-CCS:4 M | <0.0001 | 0.0005 |
Comparisons of mean weight and condition factor between each pair were assessed by Wilcoxon.