Surgical castration of bull calves is widely practised but causes significant pain; evidence-based pain management is available but inconsistently applied.
All castration methods cause significant pain. Rubber ring castration is associated with the most prolonged welfare impact, with pain responses persisting for weeks. Local anaesthesia combined with NSAID (meloxicam) administration substantially reduces both acute and post-procedural pain, with evidence for improved welfare outcomes measurable through behaviour and cortisol response. Best-practice protocols are available but require veterinary engagement and additional cost that many producers do not adopt.