Ear and flank biting

Why is it measured?

Ear and flank biting behaviour has a similar aetiology to that of tail biting, indicating that the environment is insufficient to meet the behavioural and / or physiological needs of the pig, for example a lack of sufficient manipulable substrate or insufficient space. The presence of lesions is likely to be associated with pain and may additionally provide a route to infection.

How to assess and score using the AssureWel measure

Ear and flank biting (dry sows and finishing pigs)                                                                  Pen measure



Assess all animals in pen

If ear biting (EB) lesions are present, and
If flank biting (FB) lesions are present

Typical fight or clambering / mounting lesions show parallel lines, while lesions from flank biting are typically round.

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