805c6b55_thanasia___Conditional_Methods__5
[0] Inhalant anesthetics [1] Hypoxia due to depression of vital centers [2] Direct depression of cerebral cortex, subcortical structures, and vital centers [3] Moderately rapid onset of anesthesia; excitation may develop during induction [4] Easily performed with closed container; can be administered to large animals by means of a mask [6] Nonhuman primates, swine [7] Highly effective provided that subject is sufficiently exposed [5] 
Must be properly scavenged or vented to minimize exposure to personnel
Euthanasia - Conditional Methods