What is the most humane method of animal execution?
Death by firing squad(shooting) has been reported to be quicker than lethal injection. In his book ‘Elephants on Acid: And Other Bizarre Experiments’, Alex Boese states that in the 1938 execution of John Deering, the prison physician monitoring the inmate’s heartbeat reported that the time between the shots and complete cessation of rhythm was a mere 15 seconds.
The lethal injection system is set-up under the principle of ‘toxic-redundancy’, so that each drug in isolation is sufficient to bring on death. Bizarrely, the dosage remains constant irrespective of weight, height or build. As a result, scientists have recorded instances in which breathing and cardiovascular activity have been sustained following the injections to humans(Unpopular science 2016).