Companion Animals

Companion Animal Microchipping and Identification

Microchipping reunites lost pets with their owners and prevents welfare harms from stray life and shelter euthanasia. Mandatory microchipping laws improve outcomes significantly.

Key Facts

Microchipped dogs are reunited with their owners at over twice the rate of unchipped dogs
Countries with mandatory microchipping laws including the UK and Australia have higher reunion rates
Microchip registration must be kept current for the chip to be effective in reuniting lost animals
GPS collars provide real-time tracking but require battery maintenance and do not replace permanent microchip identification

Welfare Considerations

Lost companion animals face significant welfare risks from traffic, predation, starvation, and euthanasia in overcrowded shelters. Microchipping dramatically reduces these risks by enabling reunion with owners. The welfare case for universal microchipping is strong and the cost is minimal. Mandatory microchipping legislation combined with accessible chip registration and reading infrastructure maximizes welfare benefits.

What You Can Do

Microchip all companion animals if not already done and keep registration information current
Advocate for mandatory microchipping legislation in jurisdictions where it is not yet required
Scan found animals for microchips using shelter or veterinary clinic readers before assuming they are stray
Support shelter scanner programs that ensure all admitted animals are checked for existing microchips