Routine tail docking of piglets is practiced across much of the pork industry to prevent tail biting. This welfare intervention is itself painful and masks underlying management failures.
Tail docking without anesthesia causes acute pain in newborn piglets — the procedure involves cutting through skin, subcutaneous tissue, and cartilage. While the welfare cost is real, the comparison is with the severe welfare cost of tail biting: bitten pigs suffer infection, blood loss, and sometimes septicemia. The welfare problem is that tail docking treats a symptom while leaving the underlying causes — overcrowding, barren environments, nutritional deficiencies — unaddressed. Countries and systems that have eliminated tail docking through genuine management improvements demonstrate it is possible: adequate enrichment, lower stocking densities, and good nutrition prevent tail biting without the need for painful procedures. Tail docking is thus a welfare indicator of system failure rather than an inherently necessary management tool.