Stable vices including crib-biting, weaving, and box-walking develop from inadequate environments. Prevention through appropriate management is far more effective than correction.
Stable vice prevention requires understanding that these behaviors are welfare indicators rather than character flaws in individual horses. They develop when early or prolonged stabling frustrates the behavioral drives of young horses — particularly the foraging drive that motivates 16+ hours of daily grazing movement in the wild. Management practices that maximize turnout, provide ad libitum forage, and ensure social contact during the developmental period of young horses dramatically reduce stereotypy development. The key welfare insight is the irreversibility of established stereotypies: there is no effective way to eliminate a behavior that has become neurologically entrenched. Prevention during early life is therefore the only effective intervention. Horse owners and yards that prioritize early-life welfare produce horses that are behaviorally intact throughout their lives.