Surgical castration of male piglets is practiced in many countries to prevent boar taint in pork. The procedure causes significant pain and distress, and effective alternatives now exist.
Surgical castration of piglets without anesthesia or analgesia is one of the most widespread and painful routine procedures in pig farming. Pain responses — vocalizations, struggling, withdrawal — are acute and prolonged. Post-operative infection is common. The EU industry agreed voluntarily to end surgical castration by 2018, but the deadline passed with most countries still performing it. Where pain relief is legally required (e.g., Germany from 2021), farmer compliance and enforcement remain incomplete. Immunocastration offers a practical alternative: two injections temporarily suppress reproductive hormones, eliminating boar taint without surgery. Consumer surveys show acceptance of immunocastrated pork when production methods are explained. Raising entire males with low-taint genetics and appropriate finishing diets is also viable but requires slaughterhouse-level detection infrastructure.