Stereotypic behaviours in horses such as crib-biting, weaving, and box-walking develop in response to inadequate housing and management. They indicate compromised welfare and are often misunderstood as vices.
Stereotypic behaviours are the equine equivalent of the pacing seen in zoo carnivores: they indicate an environment that fails to meet the animal biological and psychological needs. Attempting to suppress the behaviour with devices rather than addressing management causes ongoing frustration. Horses are highly social animals requiring movement and social contact, yet many are kept in individual stables for 20 or more hours per day. Recognising stereotypies as welfare signals rather than behavioural defects is essential to improving management standards.