Table 4 (Co)variance components for the average cow temperament measured at weaning (average CT – intercept) and learning and behavioral plasticity (LBP – slope)

Contemporary group variance (\({\sigma }_{CG}^{2}\))

0.004 (0.001)

0.005 (0.001)

Additive genetic variance (\({\sigma }_{u}^{2}\))

0.396 (0.019)

0.013 (0.002)

Permanent environment variance (\({\sigma }_{pe}^{2}\))

0.143 (0.013)

0.021 (0.003)

Residual variance (\({\sigma }_{e}^{2}\))^a

0.129 (0.008)

Heritability (\({h}^{2}\))

0.505 (0.018)

0.016 (0.002)

Repeatability

0.688 (0.007)

0.043 (0.004)

Genetic correlation

0.744 (0.046)

Phenotypic correlation

0.219 (0.013)