Beak trimming removes part of the beak of chickens, turkeys, and other poultry to reduce feather pecking and cannibalism in intensive systems. The procedure causes pain and is the subject of ongoing welfare and regulatory debate.
Beak trimming treats the symptom — injurious pecking behavior — rather than the cause — frustration from intensive conditions. The beak is a highly sensitive sensory organ containing numerous nerve endings; trimming causes acute pain, phantom limb-type pain in the weeks after trimming, and long-term changes in feeding behavior as birds adapt to altered beak anatomy. The alternative approach — addressing the root causes of feather pecking through lower stocking density, adequate enrichment, appropriate diet, and genetics — has been demonstrated to work without beak trimming in Norway and Sweden. However, transitioning from trimming to management-based control requires substantial investment and skill that many producers lack. Infrared trimming at hatch, while less acutely painful than hot-blade trimming at older ages, still alters beak anatomy and cannot be considered welfare-neutral.