Of the three possible alternatives finally the most accepted was castration under narcosis by inhalation. For Swiss swine producers this obligation involves considerable costs since it is necessary to acquire the anaesthesia apparatus, and it is because of this that the “Castration Fund” will begin from July 6 through agreement between users, producers and commerce, for an initial financing for a limited period of 15 months.
http://www.agriculture.ch/fr/actuel/agronews/detail/article/2009/06/30/castration-indolore-des-porcelets-mise-en-oeuvre-rapide/