While many shelters practice humane euthanasia by injection of approved drugs, some still use the gas chamber. (animalaidusa.org)
By comparison, the use of euthanasia by injection causes animals to lose consciousness and brain function before their vital organs shut down, decreasing suffering and resulting in rapid clinical death. (animallawcoalition.com)
Requires the use of the more humane and economical method of euthanasia by injection in animal shelters. (metrodetroitanimals.org)