Routine tail docking of piglets without analgesia is widespread in commercial pig farming but is a response to tail biting caused by poor welfare conditions rather than an inherent necessity.
Tail docking is a painful response to a preventable welfare problem. Tail biting emerges primarily from frustration, boredom, and inadequate environment in barren, overcrowded pig systems. The solution is to address the cause rather than mutilate pigs to prevent the symptom. Enriched environments with straw, adequate space, and good air quality dramatically reduce tail biting without docking. Many producers successfully raise pigs with intact tails when underlying welfare conditions are adequate, demonstrating that docking is not inevitable in commercial production.