Armadale Police released two images of suspects in a series of Kelmscott veterinary burglaries in May and June.
Surveillance footage has now been released of the suspects who broke into the veterinaries on May 29 and June 6 and stole adrenalin, anti-bacterial medication and a microchip scanner.
Dog and cat anaesthetic and anti-inflammatories were also stolen.
Police said anyone who may have seen anyone along Railway Avenue and Albany Highway in Kelmscott during the early hours of those dates should contact them. Crime Stoppers can be contacted confidentially on 1800 333 000 and reports can be made online at crimestopperswa.com.au.