Pig Gas Chambers – A Look at the Most “Humane” Method to Kill Pigs Most pigs in Australia and several countries in Europe are killed using carbon dioxide gas chambers. Carbon dioxide gas chambers are considered to be the most “humane” method to kill pigs. During 2015, Animal Liberation Victoria and Animal Liberation carried out an … Continue reading Pig Gas Chambers – A Look at the Most “Humane” Method To Kill Pigs