Polish Landrace pigs are of high level of all traits but especially those connected with reproduction performance. When selecting animals for further breeding great pressure was put on body shape. The exterior of this breed was the main reason why the breed became so popular. Pl pig is big with long and wide back reaching 250-300 kg of weight. White skin (small dark spots are also acceptable) covered with white hair. The ears on the small head are very big, floppy or small, narrow and half-stiff. The neck is long and light. Small shoulders tightly set to the trunk. Chest is rather shallow but wide and strong. The rump is long with well conformed ham muscles. The legs are rather short and positioned straight. As a dam line the PL needs to have at least 14 properly developed teats.
PLW is a big pig with long and strong back. Adult sow is between 300-350 kg of weight and boar 350-400 kg. White skin is covered with white hair. The head is of average size with big, standing ears. The neck is without bulged chap. The chest is rather deep and wide. The rump is long with well conformed ham muscles. The tail is set high. The legs straight and widely positioned. As a dam line the PLW needs to have at least 14 properly developed teats.
Duroc is a pig of medium to large body size. Its’ body conformation is strong with wide back and well developed rump with ample ham muscles. Duroc is of different red shades from light gold to mahogany. The ears on the medium size of head are small, folded to the front. The chest is very well developed. Legs are tall, straight and widely positioned with slightly steep pastern. Duroc as a sire line needs to have at least 12 properly developed teats.