Microchipping dramatically improves the probability of reuniting lost pets with owners and reduces euthanasia of stray animals in shelters.
Microchipping is one of the highest welfare-impact, lowest-cost interventions available for companion animals, yet registration rates remain low and chip scanning is not universal. Lost pets that cannot be identified face extended shelter stays, relinquishment, and euthanasia that microchipping could prevent. The technology is only as effective as the maintenance of accurate registries, creating a responsibility for owners to update information after moves and name changes.