Pot-bellied pigs are considerably smaller in size than the standard
European or American farm pig breeds. They are mainly black in color,
but sometimes are also found in black with white markings.
http://www.roysfarm.com/pot-bellied-pig/
Turopolje pigs are medium sized animals. They usually have black spots
on a grey or white skin, the skin is without pigment. They have
relatively long body. Their head is of average length with concave
profile.