Breeding models


Classically the pig industry is based on a breeding pyramid moving genetics from the nucleus farm to the slaughter generation


Nucleus farm pure breeds


Yorkshire/Large White

Duroc as example

This is a closed herd




Landrace Father

Landrace Mother

Multiplication farm




Large white Father

(possibly via AI)

Landrace Mother

Commercial farm





Duroc Father

(possibly via AI)

F1 hybrid Mother

Landrace/Large White cross

Slaughter generation

male and female

Landrace /

Large White /

Duroc Cross


Other breeds may be involved as well the Hampshire for example