Posture
Upright Body upright and supported by all four legs, standing or walking
Recumbent Body recumbent (lying on sternum or side)
Behaviour
Feeding Positioned with the head in a feeder
Nose pig Placing the snout in contact with, or in close proximity of, the head or body of a pen mate
Root pig Massaging any body part of a pen mate with repeated backwards and forwards movements of the snout
Chew ear Making chewing movements while the ear of another pig is in the mouth
Chew tail Making chewing movements while the tail of the another pig in the mouth
Manipulate rooting material Nosing (snout in contact with or in close proximity of), rooting (massaging material with repeated
backwards and forwards movements of the snout) or chewing rooting material
Manipulate pen components Nosing (snout in contact with or in close proximity of), rooting (massaging with repeated backwards
and forwards movements of the snout) or chewing equipment (metal bars and wooden separations
of the pen), or nosing or rooting the floor
No activity Pig inactive, no apparent activity