Parameters | Formulas |
Sex-ratio (%) | (Number of females/Number of males) × 100 |
Weight gain (g) | Average final weight (g) − Average initial weight (g) |
Daily weight gain (g/d) | Weight gain (g)/Duration of treatment |
Specific growth rate (%/d) | ((Ln final average weight) − (Ln initial average weight)/ Duration of treatment) × 100 |
Nutrient quotient | Quantity of dry feed distributed/(final biomass-initial biomass) |
Survival rate (%) | (Final number/initial number of fish) × 100 |