Table 1.
Trait1 | Temperate | Tropical | ||||
---|---|---|---|---|---|---|
n | Mean | SD | n | Mean | SD | |
BW11, kg | 633 | 31.3 | 4.2 | 664 | 21.1 | 4.6 |
BW23, kg | 633 | 103.4 | 9.9 | 664 | 85 | 11.4 |
BFT23, mm | 627 | 20.6 | 3.7 | 664 | 15.6 | 3.0 |
ADG, g/d | 633 | 832 | 95 | 664 | 758 | 101 |
ADFI, kg/d | 625 | 2.21 | 0.46 | 660 | 1.78 | 0.41 |
RFI, g/d | 619 | −52 | 373 | 660 | 4 | 275 |
FCR | 625 | 2.66 | 0.51 | 660 | 2.45 | 0.62 |
RT19, °C | 630 | 39.5 | 0.38 | 663 | 39.7 | 0.37 |
RT21, °C | 632 | 39.4 | 0.40 | 664 | 39.5 | 0.38 |
RT23, °C | 627 | 39.3 | 0.40 | 663 | 39.4 | 0.31 |
CT19, °C | 633 | 35.1 | 0.90 | 664 | 36.1 | 0.80 |
CT23, °C | 632 | 35.2 | 1.01 | 664 | 35.7 | 0.79 |
GRAD19 | 630 | 0.11 | 0.02 | 663 | 0.09 | 0.02 |
GRAD23 | 626 | 0.12 | 0.03 | 663 | 0.09 | 0.02 |
1BW11, body weight at week 11; BW23, body weight at week 23; BFT23, back fat thickness at week 23; ADG = average daily weight gain; ADFI = average daily feed intake; RFI, residual feed intake; FCR, feed conversion ratio; RT19, rectal temperature at week 19; RT21, rectal temperature at week 21; RT23, rectal temperature at week 23; CT19, cutaneous temperature at week 19; CT23, cutaneous temperature at week 23; GRAD19 = (RT19 − CT19) / RT19; GRAD23 = (RT23 − CT23) / RT23.