Table 2. Carbon (C), nitrogen (N) and phosphorus (P) mass balances estimated from the 20 floating cages (mean ± SD in kg/cage/cycle), and the numbers in parentheses are the range of the nutrient mass balances of C, N and P from the feed, juvenile fish, dead fish and harvested fish (kg/cage/cycle).
| Nutrient | Fish feed | Juvenile fish | Mortality | Fish harvest | C, N, P loss (kg) |
|---|---|---|---|---|---|
| C | 412.19±95.72
(245.27–592.23) |
44.49±11.67
(23.94–63.84) |
17.40±3.68
(11.84–26.23) |
203.01±46.74
(11.84–26.23) |
236.27±60.44
(125.65–335.95) |
| N | 121.93±28.31
(72.55–175.19) |
8.39±2.20
(4.51–12.04) |
4.73±0.94
(3.28–7.27) |
41.06±9.45
(25.55–60.93) |
84.52±20.86
(46.74–121.06) |
| P | 14.38±3.33
(8.55–20.66) |
1.11±0.29
(0.6–1.6) |
0.53±0.11
(0.36–0.80) |
6.25±1.43
(3.89–9.27) |
8.70±3.63
(4.73–12.40) |