Table 2.
Descriptive statistics (mean and SD) for area between curves and production traits for each line1 and significance level of difference (P)
| Trait, unit2 | Pie (n = 5,116) | Pie NN (n = 2,140) | P 3 | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| IBW, kg | 34.5 | 6.1 | 34.1 | 5.7 | * |
| TBW, kg | 108.9 | 11.4 | 108.8 | 11.5 | |
| ADG, g/d | 1,009 | 104 | 992 | 108 | * |
| FCR, kg/kg | 2.25 | 0.18 | 2.26 | 0.19 | * |
| DFI, g/d | 2,263 | 268 | 2240 | 287 | * |
| RFI, g/d | 0 | 150 | 0 | 159 | |
| BF100, mm | 6.0 | 0.8 | 6.6 | 0.8 | * |
| LD100, mm | 72.8 | 5.1 | 68.0 | 5.3 | * |
| ABC | 25,503 | 21,603 | 30,726 | 24,764 | * |
Pie, Piétrain Français; Pie NN, Piétrain NN Français free from halothane-sensitivity.
IBW, initial body weight; TBW, testing body weight; ADG, average daily gain; FCR, feed conversion ratio; DFI, average daily feed intake; RFI, residual feed intake; BF100, backfat thickness estimated at 100 kg live weight; LD100, longissimus dorsi thickness estimated at 100 kg live weight; ABC, resilience index.
P value for the difference between least squares means of Pie and Pie NN lines.
P < 0.05.