Table 3. Effects of dietary PA levels on growth performance and feed utilization of juvenile blunt snout bream.
| PA levels (mg kg-1) | Survival rate (%) | Initial weight (g) | Final weight (g) | SGR (%) | FCR | PER | NRE (%) |
|---|---|---|---|---|---|---|---|
| 3.39 | 78.33±3.19a | 6.04±0.03 | 16.74±0.51a | 1.82±0.05a | 3.52±0.11c | 1.18±0.07a | 17.95±1.17a |
| 10.54 | 93.33±2.72b | 6.04±0.04 | 19.74±0.28b | 2.11±0.02b | 2.81±0.25b | 1.26±0.09ab | 19.13±1.26ab |
| 19.28 | 95.00±3.19b | 6.06±0.02 | 22.01±0.25c | 2.30±0.02c | 2.76±0.25ab | 1.26±0.09ab | 21.22±1.99abc |
| 31.04 | 96.67±1.92b | 6.04±0.04 | 23.62±1.01c | 2.43±0.08c | 2.21±0.17a | 1.53±0.09c | 23.74±1.00c |
| 48.38 | 95.00±1.67b | 6.05±0.05 | 23.48±0.76c | 2.42±0.05c | 2.27±0.09ab | 1.50±0.04bc | 22.96±1.03bc |
| 59.72 | 96.67±1.92b | 6.04±0.05 | 23.39±0.84c | 2.42±0.06c | 2.49±0.13ab | 1.36±0.10abc | 20.69±1.41abc |
Values are presented as mean ± SD of four replications (n = 4). Means in the same column with different superscripts are significantly different (P < 0.05). SGR, specific growth rate; FCR, feed conversion ratio; PER, protein efficiency ratio; NRE, nitrogen retention efficiency.