Table 7 Additive genetic variance (\(\varvec{\sigma}_{\varvec{a}}^{2}\)), litter variance (\(\varvec{\sigma}_{\varvec{u}}^{2}\)), residual variance (\(\varvec{\sigma}_{\varvec{e}}^{2}\)), and heritabilities for each breed for PB and CB performance, and genetic correlation between purebred and CB pigs (\(\varvec{r}_{{\varvec{PC}}}\)), estimated for each trait using the BOA^a, G ^b_A , and G ^c_B models

Model

Breed

\({\varvec{\upsigma}}_{{{{\bf a}}_{{{{\bf PB}}}} }}^{2}\)

\({\varvec{\upsigma}}_{{{{\bf u}}_{{{{\bf PB}}}} }}^{2}\)

\({\varvec{\upsigma}}_{{{{\bf e}}_{{{{\bf PB}}}} }}^{2}\)

\(\varvec{h}_{{{{\bf PB}}}}^{2}\)

\({\varvec{\upsigma}}_{{{{\bf a}}_{{{{\bf CB}}}} }}^{2}\)

\({\varvec{\upsigma}}_{{{{\bf u}}_{{{{\bf CB}}}} }}^{2}\) *

\({\varvec{\upsigma}}_{{{{\bf e}}_{{{{\bf CB}}}} }}^{2}\) *

\(\varvec{h}_{{{{\bf CB}}}}^{2}\)

\({{\bf r}}_{{{{\bf pc}}}}\)