Dry vs Raw vs Wet Food for German Shepherds

There is no single best way to feed a German Shepherd. The right choice depends on your dog’s health, your budget, and what you can sustain long-term. What follows is what veterinary science and peer-reviewed research actually say about kibble, wet food, and raw feeding: where the evidence is strong, where it’s thin, and where the internet has turned nuance into tribal warfare.

Dry Kibble: The Default for Good Reason

Most German Shepherds eat kibble. According to the American Kennel Club, a quality kibble that carries an AAFCO “complete and balanced” statement meets the established nutritional requirements for dogs. It’s convenient, shelf-stable, affordable, and available everywhere.

For a 70-pound Shepherd, kibble costs roughly $0.50–$1.50 per day depending on the brand. That’s $15–$45 per month. For a lot of families, that’s the difference between feeding their dog well and not feeding them at all. That matters.

The Benefits

Kibble is the most studied food format for dogs. AAFCO-compliant formulas go through feeding trials or meet nutrient profiles validated against decades of data. Storage is simple: a sealed container at room temperature. Portion control is straightforward. And for multi-dog households or owners with unpredictable schedules, kibble is the most forgiving option.

The Concerns

Kibble isn’t perfect, and it’s worth understanding why.

Acrylamide. A 2026 investigation by the Clean Label Project found that dry dog food contains acrylamide at roughly 24 times higher levels than fresh or frozen pet food, with one product testing at 780 parts per billion.

“Dry dog food contained acrylamide at approximately 24 times higher levels than fresh and frozen products.”

— Clean Label Project, reported by CNN (February 2026)

Acrylamide forms during high-heat processing, the same extrusion process that shapes kibble. It’s classified as a probable carcinogen in humans by the WHO. The long-term effects on dogs aren’t fully understood, but the exposure is real.

Advanced Glycation End-Products (AGEs). The high temperatures used in kibble production also generate AGEs, compounds that have been linked to kidney stress in some animal models. Research in this area is still developing, and there are no long-term clinical trials in dogs confirming a causal connection. But it’s a legitimate area of study, not a fringe concern.

The Dental Myth. You’ll hear that kibble cleans teeth. The evidence doesn’t support this for regular kibble. A 1996 study of 1,350 dogs published in peer-reviewed veterinary literature found “few apparent differences” in dental health between dogs eating dry food and those eating canned food.

“Dogs consuming dry food alone did not consistently demonstrate improved dental health compared to those eating canned food.”

— PetMD, citing the 1996 North American veterinary dental study

Specialized dental diets, like those with the VOHC (Veterinary Oral Health Council) seal, do reduce plaque by about 39% and gingivitis by 36%. But that’s a specific product category, not a benefit of kibble in general. Regular kibble doesn’t meaningfully scrub teeth.

Who Kibble Works Best For

Most Shepherd owners. If your dog has a healthy digestive system, maintains good weight, and you’re feeding a quality AAFCO-compliant formula, kibble is a solid foundation. The acrylamide and AGE concerns are worth knowing about, but they don’t override the practical reality that kibble feeds more dogs well than any other format.

Wet Food: Better Than Its Reputation

Canned or wet food often gets dismissed as a treat or a topper. The research suggests it deserves more credit than that, particularly for dogs with kidney concerns or poor hydration.

The Benefits

Hydration. Wet food is roughly 75–80% moisture. Dogs that eat wet food or have it mixed into their meals tend to consume more total water. A study funded by The Farmer’s Dog found that fresh-fed dogs consumed 522.5 grams of water daily through food, compared to 434.1 grams for kibble-fed dogs. German Shepherds are a deep-chested, active breed, and adequate hydration supports kidney function and reduces urinary concentration.

Kidney disease. For dogs already diagnosed with kidney disease, wet food is the preferred format. According to PetMD, dogs on prescription kidney diets (which are overwhelmingly wet formulas) lived an average of 13 months longer than dogs on standard food.

“Dogs with chronic kidney disease fed a therapeutic renal diet survived a median of 594 days, compared to 188 days for dogs on standard maintenance diets.”

— PetMD, citing veterinary clinical data

That’s not a subtle difference. If your Shepherd has kidney issues, wet food isn’t optional. It’s likely what your vet will recommend.

Palatability. German Shepherds can be picky eaters. Wet food’s aroma and texture often appeal to dogs that turn their noses up at dry kibble. For senior dogs with dental pain or reduced appetite, wet food can be the difference between eating and not eating.

The Concerns

BPA. A 2016 University of Missouri study found that dogs consuming canned food for two weeks showed a nearly threefold increase in serum BPA levels, from 0.7 to 2.2 ng/mL. The study also detected alterations in the dogs’ gut microbiome. Approximately 81% of dog food cans use BPA-based coatings.

“Serum BPA concentrations increased approximately threefold in dogs consuming canned food, with concurrent changes in fecal microbiome composition.”

— University of Missouri research

Some manufacturers now use BPA-free can linings. If this concerns you, check the brand’s packaging information or contact them directly.

Dental microbiota. A PMC-published study on oral microbiota found that dogs fed wet food showed elevated levels of disease-associated bacteria like Porphyromonas gingivalis, while dry-fed dogs harbored more health-associated genera. The study authors noted that longer research is needed to confirm whether this translates to actual dental disease.

Cost. This is the practical barrier. A 70-pound Shepherd needs roughly 5–6 cans per day as a sole diet, running $6–$12 daily or $180–$360 per month. Most owners use wet food as a topper (a quarter to half a can mixed with kibble), which runs $1–$2 per day. That’s a reasonable middle ground.

Who Wet Food Works Best For

Dogs with kidney concerns, senior Shepherds with reduced appetite, picky eaters, and any dog that doesn’t drink enough water. As a topper over kibble, it’s a practical upgrade that most budgets can handle.

Raw Food: The Most Debated Option

No topic in dog nutrition generates more passionate disagreement than raw feeding. The internet is full of dramatic claims on both sides. Here’s what the research actually shows, both for and against.

What Proponents Say

The largest body of supportive data comes from the University of Helsinki’s DogRisk research group, which has followed over 16,000 dogs in longitudinal studies.

A 2025 DogRisk study on 46 Staffordshire Bull Terriers found that dogs fed raw diets showed more favorable metabolic markers: lower long-term blood sugar, lower blood lipids, and lower glucagon levels compared to kibble-fed dogs over 4.5 months.

Separately, DogRisk data on puppyhood nutrition suggested that puppies fed non-processed, meat-based diets (including raw bones and cartilage) showed a lower risk of chronic enteropathy, a form of inflammatory bowel disease, later in life.

“A raw diet in puppies under six months of age may reduce the risk of inflammatory bowel disease later in life.”

— University of Helsinki, DogRisk Research Group

A peer-reviewed PMC study on clinical health markers found that raw-fed dogs showed lower serum alkaline phosphatase, lower globulin concentration, and modestly better skin scores compared to kibble-fed dogs. However, and this matters, all values in both groups fell within normal laboratory ranges.

What Veterinary Organizations Say

The major veterinary bodies are aligned: they do not recommend raw feeding.

The American Veterinary Medical Association (AVMA) officially discourages feeding raw or undercooked animal-source protein to dogs and cats, citing the risk of Salmonella, Campylobacter, Clostridium, E. coli, and Listeria to both the animal and the humans in the household.

The FDA maintains a zero-tolerance policy for Salmonella, Listeria, and E. coli O157:H7 in pet food. Between 2025 and early 2026, multiple raw pet food brands were recalled, including Performance Dog (Salmonella and Listeria), Darwin’s Natural Pet Products, and Raaw Energy.

The CDC does not recommend raw diets for pets, noting that since 1999, over 117 pet food recalls have involved Salmonella, with 11 linked to human outbreaks. In one 2023 outbreak, 86% of those sickened were children under one year old.

“The AVMA discourages the feeding to cats and dogs of any animal-source protein that has not first been subjected to a process to eliminate pathogens.”

— American Veterinary Medical Association, official policy

A peer-reviewed critical review in PMC found no high-quality evidence (level 1, 2, or 3 studies) supporting nutritional benefits of raw feeding. What it did find were documented cases of nutritional deficiencies and contamination.

The Bacterial and Parasite Reality

This isn’t theoretical. The contamination data is substantial.

A PMC review of raw meat-based diets found Salmonella in 7–21% of commercial raw products, compared to 0.2% in processed foods. Extended-spectrum cephalosporin-resistant bacteria, a class of antibiotic-resistant organisms, were found in 23–80% of raw samples versus 0% in processed foods.

A 2025 Cornell University study found that 42% of raw pet food samples contained potentially dangerous bacteria, including Salmonella, E. coli, and Klebsiella. Parasite DNA was also detected. Zero cooked samples showed contamination.

Raw meat can also carry parasites:

• Toxoplasma gondii — killed by freezing at -18°C for 24 hours, or cooking to 145°F (whole cuts) to 165°F (poultry), per CDC guidelines
• Trichinella — freezing pork at -15°C for 20 days is effective, but wild game freezing is less reliable; cooking to internal temperature is safest, per CDC guidelines
• Tapeworm, Neospora, Sarcocystis — various transmission routes through raw meat

For households with young children, elderly family members, pregnant women, or immunocompromised individuals, the FDA and AVMA specifically caution against raw pet food due to the zoonotic transmission risk. Raw-fed pets shed bacteria in their feces and saliva that can infect humans.

Safety Technologies

High-Pressure Processing (HPP) subjects food to 87,000 psi of hydraulic pressure, killing most bacteria without heat. According to PetMD, HPP achieves 1–9 log reduction in Salmonella depending on conditions. However, food safety experts note it’s not a perfect “kill step,” as some organisms like C. botulinum are highly resistant.

Freeze-drying reduces bacterial counts but does not eliminate viable pathogens. According to Tufts University’s Petfoodology program, most freeze-dried pet foods are freeze-dried raw (not cooked first), yet labeling often doesn’t make this clear.

Freezing kills Toxoplasma cysts reliably but is less effective against Trichinella in wild game. The CDC recommends cooking as the most reliable method for pathogen elimination.

Who Raw Feeding Works For

Owners who accept the contamination risk, can source AAFCO-compliant commercial raw from reputable brands, practice strict food-handling hygiene, and don’t have vulnerable household members. It’s not something to start casually or based on social media enthusiasm. Talk to your veterinarian first, ideally a board-certified veterinary nutritionist.

German Shepherds and Kidney Stones

This breed has a specific vulnerability worth understanding in the context of food choice.

German Shepherds, particularly males between ages 6 and 9, are among the breeds most commonly affected by silica urinary stones. According to VCA Animal Hospitals and the Whole Dog Journal, over 95% of silica stones occur in males.

“Silica uroliths are most common in male German Shepherd Dogs, Old English Sheepdogs, Golden Retrievers, and Labrador Retrievers.”

— VCA Animal Hospitals

The dietary connection matters. Diets high in cereal grains (corn gluten, soybean hulls, rice hulls) are associated with increased silica stone formation. Plant-based proteins have also been linked to both silica and calcium oxalate stones.

Prevention strategies from veterinary sources include:

• Higher animal protein, lower plant-based protein in the diet
• Wet food or adequate moisture to dilute urine and increase flow
• Encouraging water intake regardless of food type
• Monitoring urine pH, as foods that support alkaline urine may be protective

This doesn’t mean kibble causes kidney stones. But if your male Shepherd is in the risk window, a kibble heavy in plant-based proteins and low in moisture is worth discussing with your vet.

The Cost Reality

Here’s what nobody in the raw feeding community wants to say out loud: most families cannot afford to spend $200–$400 per month on dog food. And they shouldn’t feel guilty about that.

A German Shepherd eating a $40 bag of Diamond Naturals that meets AAFCO standards is eating a complete, balanced diet. That dog is being fed well. The owner who stretches to afford a $55 bag of Purina Pro Plan is not failing their dog by not buying Orijen at $107 per bag or The Farmer’s Dog at $300 per month.

Here’s what feeding a 70-pound Shepherd actually costs by food type:

Kirkland Signature dog food, available at Costco for roughly $0.85 per pound, holds a 5-star rating on DogFoodAdvisor. That’s the same rating as brands costing three times as much.

The best food for your German Shepherd is one that:

1. Meets AAFCO “complete and balanced” standards
2. Your dog digests well (firm stool, healthy coat, stable energy)
3. You can afford consistently, month after month, for 10–13 years

Inconsistent feeding, switching between expensive food you can barely afford and cheap food when money’s tight, is worse for your dog’s digestion than picking a solid mid-range option and sticking with it.

What Veterinary Nutritionists Actually Say

The World Small Animal Veterinary Association (WSAVA) publishes global nutrition guidelines that focus not on specific brands or food types, but on how to evaluate a pet food company. Their criteria include:

• Does the company employ a PhD in animal nutrition or a board-certified veterinary nutritionist?
• Does the company conduct feeding trials, not just nutrient profile testing?
• Does the company have quality control measures including ingredient validation, toxicology screening, and bacteriology testing?

WSAVA does not endorse raw feeding. But they also don’t say kibble is the only answer. Their position is that diet should be individualized based on the animal’s life stage, health status, and specific needs, assessed by a veterinarian.

No single food type is universally best. What matters is:

• Nutritional completeness (AAFCO compliance minimum)
• Digestibility for your specific dog
• Sustainability for your household (budget, lifestyle, storage)
• Safety (especially for vulnerable household members)

If your Shepherd thrives on a mid-range kibble and your budget doesn’t allow for anything else, that is genuinely fine. If you have the resources and interest to explore raw or fresh food with veterinary guidance, that’s a reasonable choice too, with eyes open to the trade-offs.

The goal isn’t to win a debate on the internet. The goal is a healthy, well-fed dog for the next decade.

Frequently Asked Questions

Is raw food healthier than kibble for German Shepherds? The evidence is mixed. Some longitudinal data from the University of Helsinki suggests potential benefits for metabolic markers and gut health, but no level 1–3 clinical studies confirm raw feeding is healthier overall. The AVMA, FDA, and CDC all advise against it due to bacterial contamination risk. If you’re considering raw, consult your veterinarian and use only AAFCO-compliant commercial products.

Does dry kibble cause kidney problems? There’s no direct clinical evidence that kibble causes kidney disease. Concerns about acrylamide and AGEs from high-heat processing are legitimate areas of research, but long-term studies in dogs haven’t confirmed a causal link. For dogs with existing kidney issues, wet food is generally recommended because of its higher moisture content.

Can I mix kibble and wet food? Yes, many owners and veterinarians recommend this. Adding a quarter to half a can of wet food to kibble increases moisture intake, improves palatability, and costs only $1–$2 per day extra. It’s a practical middle ground.

What’s the safest way to handle raw dog food? Treat it exactly like raw meat you’d prepare for yourself. Wash hands and surfaces after handling. Keep it frozen until use. Thaw in the refrigerator, not on the counter. Clean your dog’s bowl after every raw meal. Keep raw food away from children. These precautions reduce, but don’t eliminate, bacterial transmission risk.

Are German Shepherds more prone to food-related health issues? German Shepherds are commonly reported to have sensitive digestive systems. Males ages 6–9 are at higher risk for silica bladder stones, which may be influenced by diets high in cereal grains. The breed is also among the most frequently affected by hip dysplasia, which some owners manage partly through diet and joint supplements. None of these conditions are caused by a single food type. They involve genetics, environment, and overall nutrition.

I can only afford budget kibble. Is my dog going to be okay? Yes. A quality AAFCO-compliant budget kibble like Diamond Naturals or Kirkland Signature provides complete nutrition. DogFoodAdvisor gives Kirkland a 5-star rating. Your dog does not need a $100 bag of food to be healthy. Consistency, appropriate portions, and regular vet checkups matter more than the price tag on the bag.

For detailed reviews of specific food types, see our guides on dry kibble, wet food, and raw food. For the full picture on feeding your Shepherd, visit the complete feeding guide.