Raw Dog Food: Benefits, Risks, and What Vets Actually Think

Origins of the Raw Movement

Australian veterinarian Dr. Ian Billinghurst popularized raw feeding in his 1993 book 'Give Your Dog a Bone,' coining the term BARF (Biologically Appropriate Raw Food). The core argument: dogs evolved eating raw prey, and modern processed food is a departure from their biological design.

The concept resonated with owners seeking more natural alternatives. Today, the raw pet food market exceeds $2 billion globally, with both commercial frozen/freeze-dried options and DIY home preparation approaches.

Claimed Benefits Under Examination

Raw feeders frequently report shinier coats, healthier skin, smaller and less odorous stools, improved energy, and better dental health. Many of these observations are real — but the mechanism isn't necessarily 'rawness.'

Shinier coats likely result from higher fat content in many raw diets. Smaller stools reflect higher digestibility. Improved dental health may come from chewing raw bones. These benefits could also be achieved with well-formulated cooked diets or high-quality kibble with dental chews.

A 2021 study in the Journal of the American Veterinary Medical Association found that raw-fed dogs did show differences in microbiome composition, but whether these differences translate to meaningful health outcomes was inconclusive.

The Safety Concerns Are Real

Multiple peer-reviewed studies have found pathogens in commercial raw dog food at concerning rates. A 2018 study published in Vet Record tested 60 commercial raw meat products and found Escherichia coli O157 in 28% of samples, Listeria monocytogenes in 54%, and Salmonella species in 20%.

The risk extends beyond the dog. Dogs shedding Salmonella can contaminate household surfaces, posing risks to children, elderly family members, and immunocompromised individuals. The American Veterinary Medical Association (AVMA), FDA, and CDC all recommend against raw meat diets for pets.

Freeze-dried raw products offer a middle ground — the freeze-drying process reduces (but may not eliminate) bacterial load while preserving the nutritional profile of raw food.

Nutritional Balance Challenges

DIY raw diets are particularly risky. A 2013 study in the Journal of the American Veterinary Medical Association evaluated 200 homemade raw diet recipes and found that 95% were deficient in at least one essential nutrient. Common deficiencies included calcium, zinc, vitamins D and E, and omega fatty acids.

The calcium-to-phosphorus ratio is critical and frequently miscalculated. Raw meat is high in phosphorus but low in calcium. Without adequate bone content or supplementation, dogs can develop skeletal problems — particularly dangerous for growing puppies.

Commercial raw diets formulated by veterinary nutritionists address many of these concerns, but they require proper handling and are significantly more expensive than kibble.

Making an Informed Decision

If you're drawn to raw feeding, consider these evidence-based recommendations:

Consult your vet first: Dogs with compromised immune systems, puppies, and seniors are at higher risk from pathogen exposure.

Use commercial over DIY: Commercially formulated raw diets from reputable brands are more likely to be nutritionally complete.

Practice strict hygiene: Use separate cutting boards, sanitize bowls after every meal, wash hands thoroughly, and prevent face-licking after meals.

Consider freeze-dried or HPP-treated: High-pressure processing (HPP) kills bacteria while preserving raw nutrition. Freeze-dried raw offers convenience with reduced pathogen risk.

Monitor with regular vet visits: Blood panels every 6-12 months can catch nutritional deficiencies before they cause clinical problems.