Figure 1
Figure 2
Figure 3
Growth performance indices of sea cucumbers H_ scabra fed with different feed percentages_ Values presented in the table are mean ± SD, n = 3_
| Growth performance indicators | Feed treatment groups | |||||||
|---|---|---|---|---|---|---|---|---|
| Feed-A | Feed-B | |||||||
| 2% | 4% | 6% | 8% | 2% | 4% | 6% | 8% | |
| Initial weight (g) | 2.33 ± 0.34 | 1.89 ± 0.14 | 1.77 ± 0.08 | 1.59 ± 0.2 | 3.67 ± 0.35 | 3.71 ± 0.31 | 3.42 ± 0.16 | 3.05 ± 0.28 |
| Final weight | 1.67 ± 0.32 | 2.15 ± 0.21 | 2.15 ± 0.13 | 2.77 ± 0.53 | 5.98 ± 0.82 | 9.57 ± 2.47 | 5.54 ± 1.02 | 8.46 ± 1.62 |
| Total weight gain (g) | –0.66 ± 0.27 | 0.25 ± 0.11 | 0.37 ± 0.16 | 1.18 ± 0.65 | 2.3 ± 1.18 | 5.85 ± 2.3 | 2.11 ± 1.16 | 5.41 ± 1.9 |
| Total weight gain (%) | –41.3 ± 19.78 | 11.71 ± 4.88 | 37.33 ± 16.5 | 40.64 ± 15.63 | 37.26 ± 13.62 | 59.73 ± 8.4 | 36.38 ± 14.35 | 62.52 ± 11.26 |
| Specific growth rate (% d-1) | -1.12 ± 0.48 | 0.41 ± 0.18 | 0.63 ± 0.27 | 1.82 ± 0.94 | 1.61 ± 0.78 | 3.08 ± 0.73 | 1.56 ± 0.73 | 3.36 ± 0.97 |
Two-way ANOVA results for the total weight gain (%) and specific growth rate of sea cucumbers fed with different feed percentages_ Feed percentage and feed type were used as factors for ANOVA (P < 0_05 = significant)_
| Weight gain (%) | SGR | ||||
|---|---|---|---|---|---|
| Effect | Df | F | P | F | P |
| Feed type | 1 | 42.922 | < 0.05 | 47.680 | < 0.05 |
| Feed ratio | 3 | 16.510 | < 0.05 | 12.212 | < 0.05 |
| Feed type*Feed ratio | 3 | 9.251 | < 0.05 | 2.392 | > 0.05 |
| Error | 16 | ||||
Tukey’s post-hoc HSD test results (approximate probabilities) for SGR and weight gain (%) of sea cucumbers fed with feed-A (P < 0_05 = significant)
| Factor 1 (feed percentage) | Factor 2 (feed percentage) | SGR (Between MS = .30944, df = 8) | Weight gain (%) (Between MS = 232.98, df = 8) |
|---|---|---|---|
| 2 | 4 | < 0.05 | < 0.05 |
| 6 | |||
| 8 | |||
| 4 | 6 | > 0.05 | > 0.05 |
| 8 | |||
| 6 | 8 |