Written prescription fees from vets will be capped at £21 and practices will have to publish price lists for services, the UK's competition watchdog has said. The Competition and Markets Authority (CMA) also said a price comparison website would be introduced to help boost competition and drive down prices faced by consumers. The measures come after an in-depth investigation by the watchdog, which found prices had been rising at nearly twice the rate of inflation. The British Veterinary Association (BVA) said the measures "will help pet owners make more informed choices" but said vet practices had not been immune to rising prices. The CMA said the reforms would start to come into force later this year. Vets will also have to reveal if they are part of a large group, following concerns that ownership of practices was unclear. About 60% of UK households own a pet, and the CMA says the vets sector is worth more than £6.7bn.…