Parameter | Formula | References |
---|---|---|
1. Mean weight gain (MWG) (g) | Wf-Wi | Pitcher and Hart (1982) |
2. Relative growth rate (RGR) (g/fish/day) | MWG × 100/Wi | Davies and Ezenwa (2010) |
3. Daily weight gain (DWG) (g) | MWG/D | Pitcher and Hart (1982) |
4. Total feed intake (TFI) (g) | TWF/Nc | Abdel-Hakim et al. (2008) |
5. Daily feed intake (DFI) (g) | TFI/D | Abdel-Hakim et al. (2008) |
6. Specific growth rate (SGR) (%/d) | Log Wf—Log Wi × 100/D | Brown (1957) |
7. Food conversion ratio (FCR) | TFI/MWG | Burel et al. (2000) |
8. Protein intake (PI) (g) | Diet protein content x DFI | Sveier et al. (2000) |
9. Protein efficiency ratio (PER) | MWG/PI | Wilson (1989) |
10. Survival (%) | Nf × 100/Ni | Deyab et al. (2009) |