Euthanasia; not always eu.
Blackmore
D K
DK
D000827:Animal Welfare; D000818:Animals; D000829:Animals, Domestic / Q000502:physiology*; D000830:Animals, Laboratory / Q000502:physiology*; D002245:Carbon Dioxide; D002248:Carbon Monoxide; D005065:Euthanasia / Q000662:veterinary*; D007222:Inert Gas Narcosis / Q000662:veterinary; D012149:Restraint, Physical / Q000662:veterinary
D002245:Carbon Dioxide; D002248:Carbon Monoxide