Comparison guide
Dry vs. Wet vs. Fresh vs. Raw vs. Homemade Dog Food: What the Evidence Says
Every format can be complete and balanced, and every format can be done badly. The real differences are in moisture, calorie density, cost, convenience, food-safety handling and how much formulation expertise sits behind the recipe. Here’s an honest side-by-side.
Evidence reviewed: 202613 min read5 cited sourcesNo sponsored placements
On this page
Key takeaways
- Formulation and safety matter more than format. Check for a complete and balanced statement whatever you buy.
- Kibble is the most economical and convenient; wet food adds moisture and palatability; fresh-cooked offers convenience of a different kind at a premium price.
- We found no published long-term studies showing better health outcomes from fresh-cooked commercial food than from complete and balanced kibble. 'More bioavailable' is a company claim.
- Raw diets carry a documented pathogen risk for dogs and the people handling them. In an FDA study, 32 of 196 raw pet food samples tested positive for Listeria monocytogenes.
- Most published home-made recipes are nutritionally incomplete. If you cook for your dog, use a recipe formulated by a board-certified veterinary nutritionist.
At a glance: the five main formats
| Dry (kibble) | Wet (canned/pouch) | Fresh-cooked (refrigerated/frozen) | Raw (commercial or DIY) | Home-cooked | |
|---|---|---|---|---|---|
| Typical moisture | ~10% | ~75–78% | High (varies by product) | High (varies) | High (varies) |
| Relative cost per calorie | Lowest | Higher | Highest tier | High | Varies; time-intensive |
| Storage | Shelf-stable after opening (sealed, cool, dry) | Shelf-stable unopened; refrigerate after opening | Fridge/freezer; limited shelf life | Freezer; strict hygiene | Fridge/freezer |
| Can be complete & balanced? | Yes — check label | Yes — check label | Yes — check label | Some commercial products — check label | Only if professionally formulated |
| Main risk | Over-feeding (calorie-dense) | Cost; dental claims don't apply | Cost; variable formulation expertise | Salmonella, Listeria and other pathogens | Nutrient deficiencies/imbalances |
| Best fit | Most dogs and budgets | Picky eaters, dogs needing more water, some seniors | Owners prioritizing convenience of portioned meals who can afford it | Only with full understanding of risks; not for homes with vulnerable people | Owners working with a veterinary nutritionist |
Dry food (kibble)
Kibble is made by cooking a dough of ingredients and forcing it through an extruder, then drying and usually coating it with fat and flavor. It’s the most widely fed format because it’s economical, easy to store and simple to portion.
- Strengths: low cost per calorie, long shelf life, works with puzzle feeders and measured portions.
- Limitations: calorie-dense, so it is easy to over-feed by ‘eyeballing’ scoops; low moisture means water intake comes entirely from the bowl.
- Dental claims: ordinary kibble offers limited dental benefit. Products that carry the Veterinary Oral Health Council (VOHC) seal have submitted data supporting plaque or tartar claims.
Editorial interpretation ‘Is kibble bad for dogs?’
We found no reliable evidence that complete and balanced kibble is harmful as a category. Concerns usually relate to specific formulations, over-feeding, or storage (stale or contaminated bags). Store kibble in its original bag inside a closed container so you keep the lot number for recalls.
Wet food (canned or pouch)
Wet food is cooked and sealed in cans, trays or pouches, which sterilizes it and makes it shelf-stable until opened. Its high water content makes it less calorie-dense per gram, and many dogs find it more palatable.
- Strengths: palatability, extra moisture, softer texture for some older dogs or dogs with dental problems, more volume per calorie.
- Limitations: higher cost per calorie, more packaging, must be refrigerated and used within a few days of opening.
- Comparing nutrients: convert to a dry matter basis before comparing with kibble — our label guide shows the math.
Practical tip Mixing wet and dry
Mixing (or using wet food as a topper) is common and fine as long as total daily calories stay appropriate. Reduce the kibble portion to account for the calories in the wet food — the kcal per can and per cup on each label make this straightforward.
Fresh-cooked food
Fresh-cooked foods are lightly cooked, then refrigerated or frozen, and are often sold by subscription in pre-portioned packs. They have grown quickly in popularity and are frequently marketed as ‘human grade’ or ‘real food’.
- Strengths: high palatability for many dogs, pre-portioned packs can make calorie control simple, appealing texture.
- Limitations: substantially higher cost; freezer and fridge space; shipping and thawing logistics; formulation expertise varies between companies.
Company claims Company claims vs. evidence
Claims that fresh food is ‘more bioavailable’, ‘healthier’ or extends lifespan are company claims. We found no published long-term studies demonstrating better health outcomes for dogs fed commercial fresh-cooked food compared with complete and balanced kibble. That is an absence of evidence, not evidence of harm — apply the same AAFCO and WSAVA checks you would to any food.
Raw diets (commercial, freeze-dried and DIY)
Raw diets use uncooked meat, organs and often bones, sold frozen or freeze-dried, or assembled at home. Supporters report shinier coats and smaller stools; the documented concerns are about pathogens and, for DIY diets, nutritional balance.
Established evidence What the FDA found
In a two-year study (2010–2012), the FDA Center for Veterinary Medicine screened over 1,000 pet food samples. Of 196 raw pet food samples, 15 tested positive for Salmonella and 32 for Listeria monocytogenes; raw food was more likely to be contaminated than the other types tested. The FDA notes the risk extends to people handling the food.
Established evidence Veterinary position
The American Veterinary Medical Association discourages feeding dogs and cats any animal-source protein that hasn’t first been through a process to eliminate pathogens, because of the risk of illness to pets and people.
- Freeze-drying is not a kill step. Freeze-dried raw should be handled like raw meat unless the company documents a validated pathogen-reduction step such as high-pressure processing (HPP).
- Higher-risk households: young children, older adults, pregnant people and anyone immunocompromised are at greater risk from foodborne pathogens.
- Bones: raw bones can cause tooth fractures and gastrointestinal obstruction or injury, according to the ASPCA.
Home-cooked diets
Cooking for your dog gives full control over ingredients and can be valuable for dogs with specific medical needs. The challenge is balance: dogs need dozens of nutrients in specific amounts, and common recipes often miss several.
Established evidence Peer-reviewed finding
A UC Davis study published in the Journal of the American Veterinary Medical Association (Stockman et al., 2013) evaluated 200 home-prepared maintenance diet recipes for dogs from books, websites and veterinary sources. 95% had at least one essential nutrient below recommended levels, and most had multiple deficiencies.
If you want to cook for your dog
- Use a recipe formulated for your dog by a board-certified veterinary nutritionist (DACVN or ECVCN), or a service they run.
- Follow it exactly — substitutions and 'eyeballing' change the nutrient balance.
- Include the specified vitamin-mineral supplement; it's essential, not optional.
- Avoid ingredients that are toxic to dogs (see foods dogs should not eat).
- Recheck the recipe with the nutritionist if your dog's weight, life stage or health changes.
Editorial interpretation A note on our older recipe posts
DOGS-FOOD.COM previously published home-made recipes that were not formulated by a veterinary nutritionist. We no longer recommend unverified recipes as a complete diet. Simple cooked foods like plain chicken or rice can be occasional extras within the 10% treat allowance.
Which format is right for your dog?
Dry
Budget is the main constraint
A complete and balanced kibble from a transparent manufacturer, carefully measured, is a sound evidence-based choice.
Wet or mixed
Picky eater or low water intake
Wet food or a wet topper on kibble can improve acceptance; adjust total calories.
Fresh-cooked
Want portioned convenience and can afford it
Choose a complete and balanced product and ask the WSAVA questions; don’t assume benefits.
Vet-directed
Medical condition
Format follows the medical plan. Therapeutic diets, home-cooked recipes from a nutritionist, or both.
For the full decision process, including how to switch foods without upsetting your dog’s stomach, see how to choose dog food.
Community evidence — not veterinary advice
What dog owners are saying
Fresh food subscriptions vs. kibble — what owners report
Fresh-food subscriptions are one of the most discussed feeding topics on Reddit. Experiences are strongly polarized, and individual anecdotes can’t establish cause and effect.
Positive or supportive experiences
- Some owners of picky eaters say a fresh-cooked food was the first thing their dog ate eagerly and consistently.
- Several owners report better stool quality or successful weight loss after switching, sometimes with their vet’s involvement.
- Owners value pre-portioned packs for controlling calories.
Negative, mixed or contested views
- Cost is the most common complaint; several owners stopped subscriptions for budget reasons.
- Some report digestive upset after switching, and several commenters (including people identifying as vet staff) voice concern about high-fat fresh foods and pancreatitis — an anecdotal concern, not an established finding.
- Freezer space, thawing logistics and delivery issues in hot weather are recurring practical complaints.
Editorial interpretation How to read this
The pattern supports a cautious reading: fresh-cooked food suits some dogs and households, but it is not a guaranteed upgrade. Transition gradually and watch your individual dog.
Discussions summarized
Frequently asked questions
Is wet food better than dry food for dogs?
Neither is inherently better. Both can be complete and balanced. Wet food adds moisture and palatability; dry food is more economical and calorie-dense. Choose based on your dog’s needs, then compare products on a dry matter or per-calorie basis.
Is fresh dog food worth the money?
It can be worth it to some owners for palatability or convenience, but there is no published long-term evidence that it produces better health outcomes than complete and balanced kibble. Evaluate it with the same label and manufacturer checks.
Is freeze-dried raw food safer than frozen raw?
Not inherently. Freeze-drying does not reliably kill bacteria. Ask whether the company uses a validated pathogen-reduction step such as high-pressure processing and handle the product like raw meat.
Can I feed my dog chicken and rice every day?
Not as a complete long-term diet on its own — it lacks essential nutrients such as calcium and several vitamins and minerals. It is sometimes used short-term on veterinary advice.
Can I mix wet and dry food?
Yes. Account for the calories in both so the total stays right for your dog, and introduce any new food gradually.
Sources
- U.S. Food & Drug Administration. Get the Facts! Raw Pet Food Diets can be Dangerous to You and Your Pet — Regulatory / Government
- American Veterinary Medical Association. Raw or Undercooked Animal-Source Protein in Cat and Dog Diets (policy) — Veterinary organization
- Journal of the American Veterinary Medical Association. Evaluation of recipes of home-prepared maintenance diets for dogs (Stockman et al., 2013), JAVMA 242(11):1500–1505 — Peer-reviewed research
- ASPCA Animal Poison Control. People Foods to Avoid Feeding Your Pets — Veterinary organization
- AAFCO. Reading Labels — Industry standard body
On this page
Vet first
This guide is general information. Your veterinarian knows your dog’s health history and should guide individual decisions.
Related guides
Decision guide
A practical guide to choosing dog food: match life stage and size, check the AAFCO statement, ask manufacturers WSAVA’s questions, weigh food formats and switch over 7–10 days.
Read guide → · 12 min
Label literacy
Learn what each part of a dog food label legally means — the AAFCO nutritional adequacy statement, the 95%, 25%, ‘with’ and ‘flavor’ naming rules, guaranteed analysis and calories.
Read guide → · 11 min
Safety reference
A vet-sourced list of human foods that are dangerous to dogs — xylitol, grapes, chocolate, onions, macadamia nuts and more — with symptoms, why they’re harmful and emergency steps.
Read guide → · 8 min