Table 2. Variance components and genetic correlations between intercept and slope from the reaction norm (RN) models.

Parameter	Intercept
	Production	Breeding
Body weight
${\widehat{\sigma }}_{a,\text{int}}^2$	16754.9	18040.0
${\widehat{\sigma }}_{a,sl}^2$	9584.3	9584.3
${\widehat{\sigma }}_{c,\text{int}}^2$	3041.1	3227.3
${\widehat{\sigma }}_{c,sl}^2$	3822.7	3822.7
${\widehat{\sigma }}_{e,\text{int}}^2$	53197.8	51092.8
${\widehat{\sigma }}_{P,Total}^2$	73168.5	73168.5
$h_{\text{int}}^2$	0.23 (0.03)	0.25 (0.03)
$h_{ES}^2$	0.07 (0.03)	0.07 (0.03)
$c_{\text{int}}^2$	0.04 (0.01)	0.04 (0.01)
Coheritability	-0.06 (0.02)	-0.08 (0.02)
r g(int, sl)	-0.33 (0.10)	-0.41 (0.10)
Log(body weight)
${\widehat{\sigma }}_{a,\text{int}}^2$	0.016	0.017
${\widehat{\sigma }}_{a,sl}^2$	0.011	0.011
${\widehat{\sigma }}_{c,\text{int}}^2$	0.003	0.003
${\widehat{\sigma }}_{c,sl}^2$	0.004	0.004
${\widehat{\sigma }}_{e,\text{int}}^2$	0.092	0.071
${\widehat{\sigma }}_{P,Total}^2$	0.102	0.102
$h_{\text{int}}^2$	0.15 (0.02)	0.18 (0.03)
$h_{ES}^2$	0.06 (0.02)	0.06 (0.02)
$c_{\text{int}}^2$	0.03 (0.01)	0.04 (0.01)
r g(int, sl)	-0.40 (0.10)	-0.42 (0.10)