Table 4.
Weight measurements of Salmo salar . L of wild, hybrid and farmed origin, experiment II
| Physical treatment | Origin | Tank | n |
W (g) |
L (cm) |
K |
|
W (g) |
Weight difference |
Mortality |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | Median | SD | Mean | Median | SD | Mean | Median | SD | n | Mean | Median | SD | Absolute (g) | % | % | ||||
| Hatchery control |
Farm |
1 |
227 |
35.94 |
35.0 |
7.85 |
13.98 |
14.00 |
0.97 |
1.29 |
1.30 |
0.07 |
486 |
35.23 |
35.0 |
7.43 |
NA |
NA |
NA |
| 2 |
259 |
34.61 |
35.0 |
7.01 |
13.77 |
13.90 |
0.96 |
1.30 |
1.30 |
0.08 |
|
||||||||
| Hybrid |
1 |
266 |
22.35 |
23.0 |
5.85 |
11.98 |
12.10 |
1.06 |
1.26 |
1.30 |
0.07 |
509 |
21.43 |
22.0 |
5.92 |
NA |
NA |
NA |
|
| 2 |
243 |
20.43 |
21.0 |
5.85 |
11.61 |
11.80 |
1.12 |
1.26 |
1.30 |
0.07 |
|
||||||||
| Wild |
1 |
251 |
11.31 |
11.0 |
5.42 |
9.50 |
9.50 |
1.51 |
1.21 |
1.22 |
0.10 |
497 |
10.28 |
9.0 |
5.14 |
NA |
NA |
NA |
|
| 2 |
246 |
9.23 |
8.0 |
4.63 |
8.92 |
8.80 |
1.36 |
1.19 |
1.20 |
0.12 |
|
||||||||
| Restricted hatchery |
Farm |
3 |
338 |
11.28 |
9.0 |
7.47 |
9.37 |
9.10 |
2.02 |
1.18 |
1.20 |
0.11 |
753 |
10.77 |
9.0 |
7.38 |
24.46 |
69.4 |
18.2 |
| 4 |
415 |
10.35 |
9.0 |
7.28 |
9.11 |
9.10 |
2.06 |
1.14 |
1.20 |
0.14 |
|
||||||||
| Hybrid |
3 |
339 |
6.61 |
5.0 |
4.65 |
7.94 |
7.50 |
1.59 |
1.14 |
1.20 |
0.14 |
725 |
6.02 |
4.0 |
4.35 |
15.42 |
71.9 |
21.2 |
|
| 4 |
386 |
5.50 |
4.0 |
4.01 |
7.54 |
7.20 |
1.61 |
1.07 |
1.10 |
0.18 |
|
||||||||
| Wild |
3 |
212 |
3.97 |
3.0 |
2.66 |
6.84 |
6.55 |
1.17 |
1.10 |
1.10 |
0.16 |
427 |
3.77 |
3.0 |
2.73 |
6.51 |
63.3 |
48.4 |
|
| 4 |
215 |
3.57 |
3.0 |
2.80 |
6.69 |
6.50 |
1.36 |
1.00 |
1.10 |
0.23 |
|
||||||||
| Restricted semi-natural | Farm |
5 |
32 |
13.59 |
12.5 |
6.98 |
10.00 |
10.10 |
1.86 |
1.23 |
1.20 |
0.09 |
123 |
11.85 |
11.0 |
5.38 |
23.39 |
66.4 |
87.7 |
| 6 |
91 |
11.23 |
11.0 |
4.58 |
9.67 |
9.80 |
1.40 |
1.16 |
1.20 |
0.10 |
|
||||||||
| Hybrid |
5 |
31 |
9.81 |
8.0 |
4.18 |
9.10 |
9.00 |
1.35 |
1.21 |
1.20 |
0.08 |
96 |
8.34 |
8.0 |
3.73 |
13.09 |
61.1 |
90.4 |
|
| 6 |
65 |
7.65 |
7.0 |
3.31 |
8.59 |
8.60 |
1.19 |
1.13 |
1.10 |
0.10 |
|
||||||||
| Wild | 5 |
10 |
6.50 |
6.0 |
2.88 |
8.05 |
7.90 |
1.03 |
1.17 |
1.20 |
0.14 |
37 | 5.62 | 5.0 | 2.64 | 4.66 | 45.3 | 95.9 |
|
| 6 | 27 | 5.30 | 5.0 | 2.52 | 7.66 | 7.50 | 1.06 | 1.10. | 1.10 | 0.16 | |||||||||
Condition factor (K), length (cm) and weight (g), with standard deviations, and weight difference between the hatchery control treatment and the restricted treatments (absolute and percent).