Dehorning of cattle prevents injuries to other cattle and handlers but causes significant pain that is preventable with available analgesics, and pain management practices vary widely between farms and countries.
Cattle dehorning without pain management is a welfare harm that persists primarily because it has been normalized within agricultural culture and because regulation has not required change. The pain involved is acute and significant — equivalent to surgery without anesthesia. The technical solution is straightforward: local anesthesia before the procedure and NSAID administration for post-procedural pain. The economic cost is modest. The barrier is habit, attitude, and the absence of mandatory requirements in most jurisdictions. The longest-term solution — breeding polled genetics into dairy and beef herds — would eliminate the procedure entirely and represents the ultimate welfare advance.