Few topics in pet care generate as much passion and as little consensus as raw feeding. Proponents cite ancestral diets, shinier coats, and evolutionary logic. Opponents cite bacterial contamination, nutritional imbalances, and a lack of controlled studies. Both sides have valid points, and the full picture is more complex than either camp typically acknowledges.
What the Research Shows
There are no large-scale, long-term controlled studies comparing raw diets to commercial kibble in dogs. This is a significant gap. Most evidence for raw feeding comes from owner-reported outcomes and small observational studies, which are subject to bias.
What is well-documented:
- Bacterial contamination: Studies consistently find Salmonella, E. coli, and Listeria in commercial raw dog food products. A 2024 FDA survey found Salmonella in 7% of raw pet food samples vs. 0% of dry kibble samples.
- Nutritional completeness: A study published in the Journal of the American Veterinary Medical Association found that 95% of homemade raw diets were nutritionally deficient in at least one essential nutrient.
- Coat and stool quality: Many owners report improved coat condition and smaller, firmer stools on raw diets. These observations are consistent across surveys but haven't been validated in controlled settings.
The Middle Ground
Board-certified veterinary nutritionists generally take this position: if you want to feed raw, work with a nutritionist to formulate a complete diet, practice rigorous food safety, and don't feed raw to households with immunocompromised people, young children, or elderly family members.
For most dog owners, a high-quality commercial diet (look for AAFCO feeding trial validation on the label) supplemented with fresh whole foods (cooked lean meats, vegetables, fish oil) provides excellent nutrition without the food safety risks of raw feeding.
The Brand Marketing Problem
Much of the raw feeding movement is driven by brand marketing rather than science. Companies selling raw food have a financial incentive to position kibble as inherently inferior, just as kibble companies have an incentive to emphasize raw food safety risks. Neither side is a neutral source. The best guidance comes from board-certified veterinary nutritionists, who have no product to sell.