Parameters |
Control Tank A |
Tank B |
Tank C |
Tank D |
Tank E |
Initial body weight, mg/fish |
18.2 ± 0.027 |
18.2 ± 0.031 |
18.2 ± 0.012 |
18.2 ± 0.013 |
18.2 ± 0.043 |
Initial body length (cm) |
0.54 ± 0.10 |
0.54 ± 0.10 |
0.54 ± 0.10 |
0.54 ± 0.10 |
0.54 ± 0.10 |
Final body weight, mg/fish |
385.6 ± 0.629a |
468.4 ± 0.227b |
495.8 ± 0.182c |
783.5 ± 0.533d |
588.3 ± 0.48e |
Final body length (cm) |
1.65 ± 0.034a |
2.52 ± 0.005b |
2.75 ± 0.085c |
3.86 ± 0.027d |
3.02 ± 0.043c,d |
Weight gain (mg/fish) |
367.4 ± 0.87a |
450.2 ± 0.371b |
477.6 ± 0.38c |
765.3 ± 0.17d |
570.1 ± 0.55e |
Absolute growth rate (mg/ day) |
6.12 ± 0.36a |
7.50 ± 0.87b |
7.96 ± 0.16c |
12.75 ± 0.45d |
9.50 ± 0.85e |
Feed intake (mg) |
653.2 ± 0.49a |
672.9 ± 0.14a |
746.3 ± 0.82b |
968.2 ± 0.95b |
863.5 ± 0.79c |
Specific growth rate (%/day) |
5.10 ± 0.45a |
5.41 ± 0.32b |
5.50 ± 0.38c |
6.27 ± 0.27c |
5.79 ± 0.21c |
Feed conversion ratio |
1.77 ± 0.05d |
1.49 ± 0.23c |
1.56 ± 0.47b,c |
1.26 ± 0.52a |
1.51 ± 0.34b |
|
*Each value is means of three replicate groups |
**Mean in the same row sharing the same superscript are not significantly different (P<0.05). |
Table 1: Specific growth rate (SGR), absolute growth rate (AGR) and Feed conversion ratio (FCR) of P. kauderni (mean ± SE, n=3) which are reared at brackish water
with different photoperiods and different diets. (Where Tank A=Control 12L/12D; Tank B=16L/8D artemia with algae; Tank C=16L/8D artemia with PUFA; Tank D=24L/0D
artemia with algae and Tank E=24L/0D artemia with PUFA). |