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. 2019 Jul 28;97(9):3699–3713. doi: 10.1093/jas/skz245

Table 1.

Number of records, mean, and phenotypic SD of the traits recorded according to the environment (temperate vs. tropical)

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.