Table 6.
Spearman residual correlation between production and thermoregulation traits1; above the diagonal: correlations between traits measured in temperate environment; below the diagonal: correlations between traits measured in tropical environment; on the diagonal: correlation between temperate and tropical environment for the same trait2
Trait | BW23 | BFT23 | ADFI | ADG11–23 | FCR | RT23 | ST23 |
---|---|---|---|---|---|---|---|
BW23 | 0.05b | 0.38a | 0.47a | 0.90a | −0.07a | 0.05 | 0.05 |
BFT23 | 0.48a | 0.11b | 0.46a | 0.34a | 0.28a | −0.07a | −0.03 |
ADFI | 0.52a | 0.45a | 0.21b | 0.47a | 0.76a | 0.02 | 0.06 |
ADG11–23 | 0.93a | 0.47a | 0.54a | 0.26b | −0.13a | 0.05 | 0.09a |
FCR | −0.12a | 0.14a | 0.68a | −0.15a | 0.62ab | −0.01 | 0.01 |
RT23 | 0.00 | −0.03 | −0.02 | 0.01 | −0.05 | 0.32b | 0.11a |
ST23 | −0.03 | −0.10a | 0.02 | 0.03 | −0.02 | 0.34a | 0.79ab |
a,bMeans within a row with different superscripts significantly differ (P < 0.05).
BW23 = BW at 23 wk of age; ADG11–23 = ADG between 11 and 23 wk of age; BFT23 = backfat thickness at 23 wk of age; FCR = feed conversion ratio; ST23 = skin temperature at 23 wk of age; RT23 = rectal temperature at 23 wk of age
Spearman rank correlations between temperate and tropical least squares mean values (1 value per sire family by environment).