Raw Dog Food: Pros and Cons Owners Should Actually Weigh

By Justin Shmalberg, DVM, CVA, ACVN, ACVSMR

✓ Medically reviewed by Justin Shmalberg, DVM, CVA, ACVN, ACVSMR — August 13, 2026 For general education — not a substitute for veterinary care.

Feeding & diet · August 13, 2026 · 6 min read

Raw dog food carries real pros — digestibility, owner-reported coat gains — and real cons, from bacterial risk to nutrient gaps.

An 8-year-old Weimaraner named Sadie came into my practice at 62 pounds, three weeks into a raw trial her owner had started after reading that kibble was “processed” and raw was “natural.” The owner had noticed looser, smaller stools within the first week — which she took as proof it was working — but by week three, Sadie was also leaving food in the bowl some mornings and had lost about two pounds. That’s the raw-feeding conversation in miniature: a real, fast, visible change in stool and appetite, sitting right next to a question nobody had answered yet about whether the diet actually balanced.

Raw feeding isn’t one thing. It ranges from commercially formulated frozen or freeze-dried diets with a stated nutrient profile to home-prepared meals built from a recipe an owner found online, with wildly different risk profiles hiding under the same label. Weighing the pros and cons of raw dog food means separating what the format changes — digestibility, palatability, ingredient control — from what it doesn’t automatically fix, which is whether the bowl in front of the dog actually meets its nutrient requirements.

Where Raw Feeding Earns Its Fans

The appeal is straightforward and, in fairness, partly grounded. Raw, minimally processed proteins tend to be highly palatable, and many owners report firmer, smaller stools and a glossier coat within days of switching — the same pattern Sadie’s owner saw. Some of that is real: less processed, higher-moisture, higher-protein diets can shift stool volume and consistency. Some of it is simply that owners are, for the first time, weighing and measuring food closely and paying attention to ingredient quality in a way they weren’t with a bag of kibble. I don’t dismiss the observation. I just don’t let one dog’s stool score stand in for evidence that the diet is complete or safe long term.

The Bacterial Math Most Owners Never See

The clearest, best-documented downside of raw feeding is microbial. Testing of commercial raw diets has found foodborne pathogens including Salmonella at meaningful rates, a pattern reported in Microbiological Quality and Presence of Foodborne Pathogens in Raw and Extruded Canine Diets and Canine Fecal Samples, which examined contamination in raw versus extruded (kibble) diets and the fecal shedding that follows. A separate multilaboratory surveillance effort, Multilaboratory Survey To Evaluate Salmonella Prevalence in Diarrheic and Nondiarrheic Dogs and Cats in the United States between 2012 and 2014, identified raw food consumption as a risk factor associated with Salmonella-positive dogs. That risk isn’t confined to the dog eating the food — it extends to the kitchen counter, the food bowl, and anyone in the household who’s immunocompromised, pregnant, elderly, or very young. The American Veterinary Medical Association discourages feeding animal-source protein that hasn’t been processed to eliminate pathogens, a position laid out in its raw or undercooked animal-source protein policy, precisely because of that shared household exposure.

When a Dog’s Gut Can’t Handle What Raw Demands

Not every digestive system is built for a high-fat, high-protein, minimally processed diet, and this is where I get the most pushback from owners who’ve already committed. Dogs with exocrine pancreatic insufficiency, or EPI, need the opposite of what a typical raw diet delivers. EPI is managed with pancreatic enzyme replacement therapy alongside nutritional management using low-residue diets with moderate fat content, plus cobalamin supplementation, according to a review in the Journal of the American Veterinary Medical Association. A rich, fatty raw diet is precisely the wrong direction for a dog whose pancreas already can’t keep up. The same review notes that even after enzyme therapy starts, some dogs still have unresolved gut dysbiosis — the authors write that future studies are needed to understand the causes of persistent dysbiosis in animals with EPI following initiation of pancreatic enzyme replacement therapy and to assess treatments for it, which tells you the gut side of this equation isn’t fully solved even under close veterinary management, let alone through a diet switch alone.

Raw-diet advocates often lean on the idea that raw feeding meaningfully reshapes the gut microbiome for the better. The evidence for that claim is thinner than the marketing suggests. In a study on probiotic supplementation published in Frontiers in Veterinary Science, diversity metrics did not distinguish non-responders from responders — meaning even a targeted intervention didn’t produce a microbiome signature that reliably predicted which dogs improved. If a purpose-built probiotic can’t guarantee a consistent, measurable shift, a diet change alone is not something I’ll promise will “rebalance” a dog’s gut. I’ll say it may help support digestion in some dogs. I won’t say it fixes it.

A senior Labrador I worked with is a good illustration of the other direction this can go. His owner wanted to try raw after his stool quality dropped off around age 9, but bloodwork and a fecal elastase test pointed to early EPI. We didn’t put him on raw. We started pancreatic enzyme replacement and moved him to a lower-residue, moderate-fat commercial diet, and his stool consistency and weight stabilized over about six weeks. Raw would have added fat load right when his pancreas needed less of it — a case where the popular narrative and the individual dog’s physiology pointed in opposite directions.

The Nutritional Balancing Act

Commercially formulated raw diets that carry a substantiated complete-and-balanced statement are a different category of risk than a homemade recipe assembled from a blog post or a Facebook group. Home-prepared raw diets are the ones most likely to run short on calcium, zinc, or vitamin D, or to overshoot on organ meat and vitamin A, because getting the ratios right without lab analysis is harder than it looks. If you’re building meals yourself, working from a formulation a veterinary nutritionist has actually balanced — not just “meat, bone, organ, 80/10/10” — is the difference between a diet that supports a dog long term and one that slowly creates a deficiency nobody notices until it shows up in the coat, the skeleton, or bloodwork. Owners also sometimes round out raw meals with produce for fiber or variety, and that’s exactly where kitchen mistakes turn into emergencies — grapes and onions have no safe raw-diet dose for dogs, so before adding either, it’s worth knowing why grapes are toxic to dogs and why even a small amount of onion isn’t safe.

What I Tell Owners Weighing the Trade-Off

I have one client, an Australian Shepherd owner with a healthy 3-year-old named Scout, who does this well: a commercially formulated raw diet with a stated nutrient analysis, strict kitchen hygiene, separate cutting boards, and no raw diet fed to Scout during the weeks her toddler is underfoot in the kitchen. That’s disciplined raw feeding, and I have no argument with it. What I push back on is the assumption that raw is automatically healthier simply because it’s less processed, or that switching a dog with an existing digestive issue onto raw will resolve it. If you’re moving an older dog onto any new format, including raw, doing it gradually and watching stool, appetite, and energy over two to three weeks gives you real information — our guide on transitioning a senior dog to a new food walks through that process, and it applies whether you’re headed toward raw or away from it. Fruit add-ins deserve the same scrutiny raw meat does; portion sense with something as ordinary as apples still matters, and it’s worth knowing what’s actually risky about apples before tossing a slice into the bowl.

Raw feeding is not a shortcut past nutrition science, and it’s not a hazard to avoid on principle either. It’s a format that rewards owners who source carefully, balance rigorously, and stay honest about which dogs it doesn’t fit — and it punishes the ones who treat “natural” as a substitute for a nutrient panel.