| Parameter |
Treatment (methionine level) (%) |
| 0 |
2 |
4 |
6 |
| Initial mean weight (g) |
19.833 ± 0.218 |
19.733 ± 0.203 |
19.500 ± 0.201 |
19.267 ± 0.199 |
| Final mean weight (g) |
25.259 ± 0.807 |
24.898 ± 0.678 |
26.319 ± 0.735 |
26.136 ± 0.737 |
| Standard length (mm) |
92.298 ± 1.034 |
91.286 ± 0.840 |
93.604 ± 0.886 |
92.870 ± 0.904 |
| SGR (% day-1) |
0.336 ± 0.015a |
0.323 ± 0.014a |
0.414 ± 0.108b |
0.422 ± 0.015b |
| Mean body weight gain (g) |
5.426 ± 0.218a |
5.165 ± 0.203a |
6.819 ± 0.201b |
6.869 ± 0.199b |
| Condition factor (K) |
3.099 ± 0.046 |
3.092 ± 0.033 |
3.034 ± 0.038 |
3.051 ± 0.035 |
| GSI |
0.126 ± 0.027a |
0.162 ± 0.035a |
0.270 ± 0.092a |
0.356 ± 0.065b |
| FCE (%) |
12.905 ± 0.638a |
12.304 ± 0.583a |
16.342 ± 0.616b |
16.648 ± 0.605b |
| Ash (%) |
15.857 ± 0.996 |
13.485 ± 5.248 |
10.217 ± 0.743 |
19.274 ± 7.761 |
| Dry matter (%) |
37.861 ± 0.650 |
41.750 ± 1.983 |
63.026 ± 13.685 |
44.536 ± 4.606 |
| *Mortality (%) |
5.00 |
6.67 |
6.17 |
5.67 |
|
Means ± SE with different superscripts differ significantly (P<0.05) across the rows.
*No statistical significance determined since it was calculated on pooled sample. |
| Table 1: Growth, morphometric, feed utilisation, organ, reproductive and parameters of O.andersonii subjected to different levels of methionine. |
