Losing a pet causes genuine grief for owners and may cause distress for surviving animal companions. Understanding both dimensions matters for animal welfare.
Companion animal grief operates on two planes simultaneously: the suffering of owners, and the potential distress of surviving animal companions. Dogs and cats show measurable behavioural changes following the loss of a bonded companion or owner, including anxiety, withdrawal, and altered eating patterns. These responses may represent genuine grief or simply disruption of routine — the distinction is scientifically contested but the welfare implication is clear: surviving animals need additional attention, routine maintenance, and sensitive management during the adjustment period. For owners, anticipatory grief (before euthanasia decisions) and post-loss bereavement are both real psychological burdens that deserve compassionate acknowledgement from veterinary professionals.