Nutrient Fish waste
Crude protein (%) 57.92 ± 5.26
Fat (%) 19.10 ± 6.06
Crude fiber (%) 1.19 ± 1.21
Ash (%) 21.79 ± 3.52
Calcium (%) 5.80 ± 1.35
Phosphorous (%) 2.04 ± 0.64
Potassium (%) 0.68 ± 0.11
Sodium (%) 0.61 ± 0.08
Magnesium (%) 0.17 ± 0.04
Iron (ppm) 100.00 ± 42.00
Zinc (ppm) 62.00 ± 12.00
Manganese (ppm) 6.00 ± 7.00
Copper (ppm) 1.00 ± 1.00
Values in % or mg/kg (ppm) on a dry matter basis.
Table 12: Composition of fish waste [40].