Table 2 Ethogram for the recording of negative behaviours in mixed and intact groups of pigs on two diets.
Behaviour | Description | |
|---|---|---|
Aggression | Fight | Sustained aggressive biting/pushing by ≥ 2 pigs |
Bite | Biting aggressively at head/body of other pig | |
Head knock | Hitting vigorously with head against body/head of other pig | |
Parallel pressing | Pressing shoulders against body of other pig, pushing | |
Aggression around feeder | Displacement from feeder | Pig displaced from feeder by another pig |
Bite at feeder | Biting at body of other pig, at feeder | |
Head Knock at feeder | Hitting vigorously with head against body/head of other pig, at feeder | |
Climb at feeder | Placing two front hoofs on the body/head of another pig, at feeder | |
Damaging | Belly nose | Repeated thrusting of snout into belly of another pig |
Ear bite | Ear of other pig in mouth | |
Tail bite | Tail of other pig in mouth | |
Sexual | Sexual mount | Placing two front hoofs on the body/head of another pig |