Three Mars Petcare brands now control nearly a third of every veterinary citation surfaced by ChatGPT, Claude, Perplexity, and Google AI Overviews. Eighty percent of independent practices are invisible. This is what AI Communications looks like when it goes wrong.

New research from 5W Research, the Veterinary AI Visibility Index 2026, measured more than 65 consumer-intent prompts across four major AI answer engines in Q1 2026 and found that Mars Petcare controls 27% to 30% of every veterinary citation nationwide, while 80% of independent U.S. veterinary practices have zero AI citation share in their own metro area.

The vet who treated my friend's dog for fifteen years does not exist inside that answer set. Not in person: the clinic is still on the block, the waiting room still smells like wet retriever, the same woman runs the front desk. But ask ChatGPT, Perplexity, Claude, or Google's AI Overview for a vet in the neighborhood, and her name does not appear.

Banfield Pet Hospital: 11.5%. VCA Animal Hospitals: 10%. BluePearl: 6%. Three brands, one owner, almost a third of all the answers.

Why is this a structural shift and not just a marketing problem?

A growing share of consumers now begin product research with an AI system rather than a search engine, and pet owners looking for a vet are no different. The chatbox is becoming the new checkout, and the answer engine is becoming the new directory.

When the answer engine never names a practice, that practice does not get the visit, the relationship, or the lifetime value of a household that buys flea medication, dental cleanings, and end-of-life care over two decades. It disappears slowly, then all at once.

How did Mars build the infrastructure that independents lack?

Mars Petcare runs three brands against three different consumer intents. Banfield catches general practice and co-located retail traffic. VCA catches mid-tier and specialty care. BluePearl catches emergency and oncology cases.

Each brand shares digital infrastructure underneath while presenting distinct entity signals on the surface, producing three citations per prompt instead of one. More than 40 corporate veterinary groups now operate in the United States, backed by Mars and by private equity, and this category consolidated faster than nearly any other healthcare-adjacent industry, in part because these groups understood earlier than independents that scale wins the answer engine.

What should an independent veterinary practice do about this?

There are three viable plays for an independent practice that wants to exist five years from now.

Become the cited authority on a specialty. Pet oncology, avian medicine, or working-dog orthopedics are examples; picking a clinical area and becoming the source AI engines pull from means depth can beat footprint.

Join a regional association that pools digital infrastructure. Shared schema, shared review programs, and shared content mean independents do not have to fight the citation war alone.

Consider selling to Mars or to one of the more than 40 corporate groups, since the visibility gap is widening and the window on a premium valuation narrows with it.

Nostalgia is not a strategy. The corner clinic does not come back unless the corner clinic gets cited by the AI systems buyers are actually asking.

Why does veterinary matter beyond veterinary?

Veterinary is a warning shot. A similar dynamic is unfolding in legal services, dermatology, financial advice, and home services, in every category where a local independent used to win primarily on relationship.

Citation share is the new market share, and the work now is to influence the answer, not just the relationship in the exam room.

Related Research and Doctrine

Ronn Torossian is the founder and chairman of 5W AI Communications, the AI Communications Firm. He is the publisher of Everything-PR and the author of two best-selling editions of For Immediate Release.