The ethical dimensions of companion animal euthanasia raise questions about quality of life assessment, timing, and the welfare obligations of owners and veterinarians facing end-of-life decisions.
Companion animal euthanasia is one of the most profound welfare decisions owners and veterinarians make together. The welfare-centered framework holds that when quality of life cannot be maintained, timely euthanasia is an act of care rather than defeat. Human psychological barriers — guilt, grief, hope — can delay euthanasia past welfare-optimal timing, prolonging animal suffering. Veterinarians who guide owners through quality of life assessment and communicate honestly about prognosis serve the welfare of their animal patients. The framing of timely euthanasia as the final act of love for a suffering animal supports welfare-positive decision-making.