Table 2.
Phenotypic comparison from selected animals with high (HFE) and low RFI (LFE).
| Phenotype (n = 49) | Group HFE (n = 24) |
Group LFE (n = 25) |
p value |
|---|---|---|---|
| RFI (kg DM/day) | − 0.81 ± 0.42 | 0.94 ± 0.47 | p < 0.0001 |
| RIG | 1.78 ± 1.74 | − 2.02 ± 1.12 | p < 0.0001 |
| RG | 0.08 ± 0.38 | − 0.07 ± 0.31 | p = 0.2980 |
| Initial BW (kg) | 399.35 ± 46.38 | 392.46 ± 40.69 | p = 0.7565 |
| Final BW (kg) | 502.12 ± 60.77 | 492.62 ± 45.50 | p = 0.7338 |
| Mean BW (kg) | 450.74 ± 52.23 | 442.54 ± 41.71 | p = 0.7188 |
| ADG (kg/day) | 1.56 ± 0.41 | 1.57 ± 0.33 | p = 0.6455 |
| DMI (kg/day) | 8.61 ± 0.97 | 10.34 ± 1.11 | p < 0.0001 |
| FCR (kg DM/kg gain) | 5,87 ± 1,58 | 6,89 ± 1,65 | p = 0.0232 |
| FE (kg gain/kg DM) | 0.18 ± 0.04 | 0.15 ± 0.03 | p = 0.0232 |
Groups HFE and LFE where statistically compared by unpaired T test with a p value set to p < 0.05.