Table 2. Survival, weight gain, and specific growth rate of juvenile mandarin fish fed experimental diets with various feeding ratios for 10 weeks
Feeding ratio (%) | Initial mean weight (g) | Final mean weight (g) | Survival (%)1) | Weight gain (%)1) | Specific growth rate (%/day)2) |
100 | 9.7 ± 0.09 | 36.9 ± 0.66c | 100 ± 0.0 | 256.6 ± 4.37b | 1.82 ± 0.02b |
95 | 9.5 ± 0.05 | 36.3 ± 0.92c | 100 ± 0.0 | 263.5 ± 5.17b | 1.84 ± 0.02b |
90 | 9.6 ± 0.02 | 35.8 ± 0.81bc | 100 ± 0.0 | 254.1 ± 11.97b | 1.80 ± 0.05b |
85 | 9.5 ± 0.01 | 34.8 ± 0.21bc | 100 ± 0.0 | 250.1 ± 2.04b | 1.79 ± 0.01b |
80 | 9.5 ± 0.03 | 32.7 ± 1.21abc | 100 ± 0.0 | 225.7 ± 13.24ab | 1.68 ± 0.06ab |
75 | 9.6 ± 0.07 | 31.2 ± 1.04ab | 100 ± 0.0 | 202.8 ± 5.84a | 1.58 ± 0.03a |
70 | 9.5 ± 0.06 | 29.3 ± 1.64a | 100 ± 0.0 | 191.2 ± 15.65a | 1.52 ± 0.08a |
Values (mean of triplicates ± SE) in the same column not sharing a common superscript are significantly different (p < 0.05).
Weight gain (%) = (final body weight − initial body weight) × 100 / initial body weight.
Specific growth rate = (Ln final weight of fish − Ln initial weight of fish) × 100 / days of feeding trial.