Table 1 The input parameters of calculate total production costs of tilapia fish and lettuce plant for different culture systems.
Cost item | Units | Culture system | ||||
|---|---|---|---|---|---|---|
T1 | T2 | T3 | T4 | T5 | ||
Fixed cost (LE) | ||||||
Culture units | LE | 2000 | 940 | 2540 | 2540 | 2540 |
Pumps and fittings | LE | 1550 | 1650 | 1800 | 1800 | 1800 |
Total fixed cost | LE | 3550 | 2590 | 4340 | 4340 | 4340 |
Variable cost (LE) | ||||||
Fish fingerlings | LE | 168 | 0 | 168 | 168 | 168 |
Lettuce seedlings | LE | 0 | 18 | 18 | 18 | 18 |
Peat moss | LE | 0 | 2.5 | 2.5 | 2.5 | 2.5 |
Labor | LE | 50 | 50 | 50 | 50 | 50 |
Energy | LE | 146.3 | 146.3 | 146.3 | 146.3 | 146.3 |
Fertilizers | LE | 0 | 13.7 | 0 | 7.9 | 8.9 |
Feed | LE | 151.7 | 0 | 151.7 | 151.7 | 151.7 |
Total variable cost | LE | 516 | 230.5 | 536.5 | 544.4 | 545.4 |
