Raw Food Diets… Are they actually as good as they seem?
Raw food diets for pets have become increasingly popular over the past decade. Social media is filled with glossy photos of wolves, claims that “raw is natural,” and emotional stories from pet owners who believe a raw diet transformed their dog or cat’s health. For many owners, the appeal comes from a place of love — wanting to feed pets the freshest, least processed food possible.
But alongside the enthusiasm, veterinarians, researchers, and public health experts continue to raise serious concerns about the safety and nutritional reliability of raw feeding.
This article looks at what the science currently says about raw food diets for pets, including potential benefits, documented risks, and why organizations like the FDA and veterinary colleges urge caution.
The Reality of Raw Diets and The Affects it Can Have on Your Pet:
What Is a Raw Food Diet?
A raw food diet for pets generally includes uncooked meat, organs, bones, and sometimes fruits, vegetables, eggs, or dairy products. These diets are commonly sold in several forms:
Homemade raw meals
Freeze-dried raw products
Frozen commercial raw diets
Dehydrated raw foods requiring rehydration
Some pet owners follow feeding models such as:
BARF (“Biologically Appropriate Raw Food” or “Bones and Raw Food”)
Prey-model raw diets
Supporters often argue that raw feeding is more biologically natural because dogs descended from wolves and cats are obligate carnivores.
However, modern dogs and cats are not nutritionally identical to their wild ancestors. Domestic pets have evolved alongside humans for thousands of years, and their nutritional needs are now extensively studied through veterinary science.
The Main Concern: Bacterial Contamination
One of the biggest concerns surrounding raw pet food is the risk of dangerous bacteria.
The U.S. Food and Drug Administration (FDA) has repeatedly warned that raw pet foods can contain pathogens such as:
Salmonella
Listeria monocytogenes
E. coli
According to the FDA, these bacteria can affect not only pets, but also the humans handling the food.
FDA Resource: https://www.fda.gov/animal-veterinary/animal-health-literacy/get-facts-raw-pet-food-diets-can-be-dangerous-you-and-your-pet
The FDA notes that contamination may happen during manufacturing, transport, storage, or preparation. Unlike cooked pet food, raw diets do not undergo heat processing that kills many harmful pathogens.
For healthy adult pets, bacterial exposure may sometimes cause mild symptoms or no symptoms at all. But for vulnerable animals — including puppies, kittens, senior pets, or pets with weakened immune systems — infections can become severe.
Symptoms may include:
Vomiting
Diarrhea
Fever
Lethargy
Loss of appetite
Dehydration
In rare cases, bacterial infections can become life-threatening.
Risks to Humans in the Household
Many people focus only on the pet when considering raw feeding, but public health experts also stress the human health risks.
The Centers for Disease Control and Prevention (CDC) and FDA both warn that people can become sick by:
Handling contaminated raw pet food
Touching contaminated bowls or surfaces
Contact with infected pet saliva or feces
Young children, elderly individuals, pregnant women, and immunocompromised people are considered especially vulnerable.
CDC Resource: https://www.cdc.gov/healthypets/publications/pet-food-safety.html
One concern is that pets may shed bacteria in their stool even when they appear completely healthy. This means contamination can spread through homes without obvious warning signs.
Nutritional Imbalances Are More Common Than Many Owners Realize
Another major concern is nutritional completeness.
Veterinary nutritionists frequently report that homemade raw diets are often deficient or excessive in critical nutrients.
A review published through veterinary nutrition research found that many homemade raw recipes failed to meet established nutritional standards for pets.
Tufts University Cummings School of Veterinary Medicine explains that improperly balanced diets can lead to long-term health problems, especially in growing animals.
Tufts Veterinary Nutrition Resource: https://vetnutrition.tufts.edu/2022/01/raw-diets-perception-of-human-health-risks/
Potential nutritional problems may include deficiencies or imbalances involving:
Calcium
Phosphorus
Vitamin D
Taurine
Essential fatty acids
Over time, these deficiencies may contribute to:
Bone abnormalities
Heart disease
Growth disorders
Neurological issues
Poor immune function
Large-breed puppies are particularly vulnerable because incorrect calcium and phosphorus ratios can affect skeletal development.
Bone Hazards: Not Always as Safe as Advertised
Raw feeding advocates often promote raw bones as beneficial for dental health and mental enrichment.
While chewing can help reduce plaque buildup, bones also carry documented risks.
The American Veterinary Medical Association (AVMA) warns that bones may cause:
Broken teeth
Choking
Intestinal blockages
Gastrointestinal perforation
AVMA Resource: https://www.avma.org/resources-tools/pet-owners/petcare/raw-pet-foods-and-avmas-policy-faq
Emergency veterinary clinics regularly treat pets for complications involving bone fragments lodged in the digestive tract.
These injuries can require surgery and may become fatal if untreated.
Do Raw Diets Actually Provide Proven Health Benefits?
This is where the conversation becomes more nuanced.
Some pet owners report improvements such as:
Shinier coats
Smaller stools
Increased enthusiasm at mealtime
Improved body condition
However, according to current veterinary research, many of these claims remain largely anecdotal.
The American Animal Hospital Association (AAHA) states that there is currently limited scientific evidence proving raw diets are superior to properly formulated commercial diets.
AAHA Resource: https://www.aaha.org/resources/raw-protein-diet/
In some cases, improvements may stem from other factors:
Higher protein intake
Weight loss from portion control
Elimination of previous dietary allergens
Increased owner attention to feeding habits
That does not necessarily mean raw feeding itself is uniquely beneficial.
What Veterinary Nutrition Experts Recommend
Most veterinary organizations do not recommend feeding raw diets, particularly homemade ones without professional guidance.
The American Veterinary Medical Association officially discourages feeding raw or undercooked animal-source protein to cats and dogs because of pathogen risks.
AVMA Policy: https://www.avma.org/resources-tools/avma-policies/raw-or-undercooked-animal-source-protein-cat-and-dog-diets
Similarly, Cornell University College of Veterinary Medicine advises pet owners to approach raw diets carefully and consult veterinary nutrition experts before making major dietary changes.
Cornell Veterinary Resource: https://www.vet.cornell.edu/departments-centers-and-institutes/cornell-feline-health-center/health-information/feline-health-topics/feeding-your-cat
If owners still choose to feed raw, many veterinary nutritionists recommend:
Using commercially prepared diets that meet AAFCO nutritional standards
Avoiding homemade formulations unless designed by a board-certified veterinary nutritionist
Practicing strict food safety hygiene
Regular veterinary monitoring and bloodwork
The Emotional Side of Feeding Pets
Food is emotional.
For many pet owners, preparing fresh meals feels deeply connected to caring for a beloved animal. That emotional connection is understandable. Feeding routines are one of the most personal parts of pet ownership.
But veterinary experts caution against relying solely on internet testimonials or influencer claims.
A dramatic before-and-after story online may not reflect controlled scientific evidence. In some cases, pets appearing healthier may simply be receiving better overall care, more exercise, or treatment for unrelated medical issues.
The goal should never be winning a debate about feeding philosophies. The goal should be supporting the long-term health and safety of the animal.
Questions Pet Owners Should Ask Before Switching to Raw
Before changing a pet’s diet, consider asking:
Has this diet been formulated by a board-certified veterinary nutritionist?
Does it meet AAFCO nutritional standards?
How is bacterial contamination controlled?
Is anyone in the household immunocompromised, elderly, pregnant, or very young?
What evidence supports the claimed benefits?
Can my veterinarian monitor my pet for nutritional deficiencies?
A responsible conversation with a veterinarian is far more valuable than relying on trends alone.
I hope that this article has given you a bit more insight into the risks associated with raw food diets, we as pet parents only want what’s best for our furry companions but, there also comes a point when we need to ask ourselves “Does this benefit my pet, or does it just benefit how I’m perceived as their owner?” There’s constant debate around whether or not raw food or other diets are the best option and it’s extremely important to do your research and consult a veterinarian before making that drastic change that can impact your pets’ lives for good or bad.
