Boars and their hormones

The majority of male piglets born in commercial production are castrated, writes welfare expert Dr Irene Camerlink. Concerns about the welfare of male piglets have resulted in some countries requiring the use of anaesthesia and/or painkillers, while in other countries boars are immunocastrated or raised as entire males. This improves the short-term welfare for male piglets, but what about the long-term consequences? The main aim of castration is to reduce the boar taint that occurs in the meat