Do dogs suffer when being put to sleep?

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Tags

1. #seizure
2. #renders
3. #shuts
4. #unconscious
5. #quickly
6. #brain
7. #medication
8. #minutes
9. #heart
10. #within
11. #euthanasia
12. #doses
13. #functions
14. #usually
15. #large
16. #pentobarbital