Vegan & Vegetarian Dog Food Diets

What you need to know

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Many Americans enjoy the vegetarian lifestyle today, either for health or ethical reasons. Some people choose to extend this dietary philosophy to their pets as well, which has prompted the marketing of commercial vegetarian dog foods.

What foods & ingredients fall under “vegetarian?”

what food falls under vegetarian

There is a spectrum of foods and ingredients that may be included or excluded from a “vegetarian” diet, depending on one’s definition. At minimum, it usually means that most meat sources are excluded from the diet (such as beef, pork, lamb, poultry, and sometimes fish).

More restricted diets exclude other foods of animal origin, such as egg and dairy products. Perhaps the most extreme example would be a “vegan” diet, where all foods and ingredients of foods, including vitamin and mineral sources, are excluded if they are derived from animals.

Understanding how dogs process food

Provided foods are carefully combined in appropriate proportions, vegetarian or vegan diets for people can be very nutritious and tasty. However, is the same true for our beloved dogs? To help answer that question, one must consider the normal anatomy and physiology of a dog. A species belonging to the scientific order Carnivora (“meat-eaters”), although today the domestic dog is considered more as an “omnivore” (animals that eat both animals and plants).

Still, just by comparing the dentition of dogs with that of humans and herbivores (plant-eaters, such as cattle and horses), it is readily apparent that their teeth design by nature is for eating a diet largely comprised of animal tissue. Their short intestinal tracts compared to humans and especially to animals like sheep or horses also indicate that they are not designed to accommodate diets containing large amounts of plant materials. Their nutritional requirements, such as the need for relatively high amounts of protein and calcium, reflect these dietary limitations.

Thus, while dogs as a species can eat and utilize some plant-source ingredients, they simply are not intended to eat only plants as are other animals such as cattle and sheep.

Why feed a vegetarian diet to pets?

why feed vegetarian to a dog

Let us take a look at what drives dog owners to opt for a vegetarian diet for their furry family members.

Perceived as more healthful

Many people consider their vegetarian diets to be more healthful than the traditional American diet that includes animal-source foods, and some assume the same to be true for dogs. However, the health reasons that people cite as the basis for their own eating habits may not apply where pets are concerned.

For example, dogs do not suffer from problems such as high cholesterol and coronary artery disease at anywhere near the incidence as do humans. Thus, reducing intake of saturated fats and cholesterol by cutting meats out of the diet would not be of any real health benefit in pets.

Concerns about meat bacteria

Another concern may be about bacterial contamination of the meat ingredients, which could cause disease when consumed by pets. This may be a legitimate concern when eating raw or under-cooked meat or poultry, but properly processed dry or canned pet foods pose a far lesser risk of disease transmission than raw fruits and vegetables.

Preventing food allergies

Some vegetarian diets for pets are also offered on the premise that they will prevent food allergies. The true incidence of food allergies in pets is relatively low. Regardless, allergies can also be developed against proteins in plants just as easily, so cutting out the meat sources does little to prevent this problem.

Owners philosophy

Another reason that a pet owner would wish to feed a vegetarian or vegan pet food is because some people may be philosophically opposed to the consumption of products derived from animals, even by their pets.

While this is a personal matter that each pet owner must decide for himself or herself, consideration also should be given to the ethical issue of feeding an animal a diet that is against its nature. To be honest, all commercial pet foods are to varying degrees “unnatural” (no company, that I know of, sells raw whole rodents or small birds as “dog food”).

However, eliminating all animal products from the diets of dogs to meet one’s personal philosophy, regardless how well intentioned, may not be the correct choice if it potentially compromises the health of the pet itself. Fortunately, there are many pets besides dogs  that would thrive on a completely vegetarian diet (birds, iguanas, rabbits, horses and goats, to name a few).

Potential problems

Vegetables Or Meat For The Dog

The nutritional requirements for dogs are very different from those for humans. Thus, a vegetarian diet perfectly suitable in meeting a person’s nutrient needs may be grossly deficient where dogs are concerned.

It is possible, but very difficult, to develop such diets for dogs. The Association of American Feed Control Officials (AAFCO), in cooperation with CVM, has developed the AAFCO Dog Food Nutrient Profiles, which details the known nutritional requirements for these species.

Perfecting the formula

Formulating a pet food to meet all these requirements is not a simple task in any case, but becomes extremely difficult when using only ingredients that would meet the definition of a vegetarian diet (especially a vegan diet).

For example, the protein and calcium needs of the dog are much higher than those for humans. These nutrients are most easily provided through animal-derived ingredients. Some plants, such as soy, are high in protein, but the amino acids within the protein are not as balanced as they are for most animal-source ingredients.

Essential vitamins not found in plants

Dogs also need a dietary source of vitamin B12, a substance not found in most plants. All animals “need” this vitamin, but plant-eating animals such as cattle and sheep can make their own through the action of bacteria in their gastrointestinal tracts, provided there are adequate amounts of the mineral cobalt in the diet (which is found in plants).

Can’t these nutrients be replaced using synthetic substitutes? Yes, it is theoretically possible to formulate a diet that meets all these specific needs using synthetic additives.

Cost and reliability

However, it becomes more expensive and far less reliable to do it this way. Even when a product is formulated to meet the nutritional needs “on paper,” it may not work in the “real” world. For example, plants also contain phytates, substances that bind calcium and trace minerals, lowering their “bio-availability.” So, even when minerals are provided at levels that appear adequate, they cannot be properly absorbed and used by the animal.

There are adjustments in the AAFCO Dog Food Nutrient Profiles to account for decreases in bio-availability of nutrients, but these are made on the assumption that both animal and plant-source ingredients are used. It is impossible to tell whether these levels would still be adequate for a completely plant-based diet.

Palatability (does it taste good . . .)

Finally, even the most carefully formulated diet with respect to providing adequate amounts of all essential nutrients is worthless if the dog does not eat it.

While dogs certainly enjoy the occasional snack such as a cookie or piece of fruit, foods without some animal-source ingredients may not be very palatable, so asking dogs to eat only plant-based foods may not be realistic in some cases. Even if the dog does eat the vegetarian diet, it still may not be eating enough to meet its nutritional needs.

Vegetarian diet “check list”

Before and after one decides to offer his or her pet a vegetarian diet, several factors should be considered:

1. Why am I choosing to feed this diet?

One needs to balance any perceived health benefit against the real potential health risks. The ethical dilemma of the feeding of animal products to animals should be weighed against the moral concerns of feeding a diet that is opposed to that which would be consumed in nature.

2. Does it meet the nutritional needs of the pet?

Many homemade diet recipes, including those found in books and magazines, may be seriously incomplete or unbalanced. Testimonials and “success stories” notwithstanding, they have not been shown by scientific testing to meet the nutritional needs of dogs, and should be avoided.

Note: For commercial products, reject anything that does not bear an AAFCO nutritional adequacy statement as required for all “complete and balanced” pet foods in the United States.

The label may say that the product “is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles.” However, since palatability and bio-availability of nutrients are big concerns with vegetarian diets, even greater assurance would be had if the product label bears the statement that “Animal feeding tests following AAFCO procedures substantiate that (the product) is complete and balanced.”

3. How is it working?

After a month or two on the diet, and occasionally thereafter, try to objectively assess the performance of the diet compared to your pet’s previous food. Has it lost or gained weight? How’s the skin and coat? Energy level? Stool volume and consistency? Ask your veterinarian for an examination and professional opinion on your dog’s health status. Who knows, you may even have a depressed dog on your hands!

What’s the Best Vegetarian Dog Food?

If you’ve done the research and have made a decision to implement a vegetarian dog food diet for your furry companion, then you’re probably in the market for a quality strictly vegetarian commercial dog food.

As mentioned before, a vegetarian dog food that meets the various nutritional requirements of dogs, as a species, is pretty difficult to formulate and manufacture; but, as you’re about to find out, not impossible. Mainly, the protein and calcium requirements of your dog, which are usually sourced from animal ingredients, is hard to reliable replicate synthetically; not to mention attempting to do so in a cost effective manner.

Now: You’re aware of the responsibility that is bestowed upon you when choosing to feed your dog a vegetarian diet. Here is a quality vegetarian dog food option to consider.

Our Top Pick: V-Dog Vegan Kibble Dry Dog Food (for Adult Dogs)

Best-Vegetarian-Dog-Food

Notable ingredients: Pea protein, dried peas, brown rice, oatmeal, canola oil, potato protein, suncured alfalfa meal, calcium carbonate, dried carrots, lentils.

Flavors: Plant based. Packaging: 20 lb, 30 lb.

Value: $2.36/lb (30 lb bag)

>> Check Price on Amazon

Why we like it: V-dog has taken a lead role when it come to the 100% plant based dog nutrition market segment. Formulated to meet the AAFCO established nutritional levels for adult dog maintenance, this easily digestible formula packs an impressive: 24% protein utilizing human grade ingredients. All without using any animal products, corn, wheat, soy, gluten, factory farming, fillers, and/or byproducts.

We also like the company’s philosophy and business approach: make premium products, while avoiding animal cruelty and animal ingredients altogether; oh, and doing it in an eco-friendly way for the planet. Paws down the best vegetarian food we’ve come across!

V-dog KinderKibble Feeding Guidelines:

V-dog Kinder Kibble Feeding Chart
Source: v-Dog.com

Naturally, every dog is unique. Thus how much to feed them and when is best determined by the owner who knows their unique schedule better than a company ever will. But there are general guidelines to help get you started, this chart will hopefully help you in that en-devour.

Two daily feedings are recommended, and if your dog likes softer kibble, mix in a little water. Though as a general rule, you should always have water readily available so that your dog stays properly hydrated at all times.

>> Check Price on Amazon

Summary

The decision to feed a dog a vegetarian diet is not one to be taken lightly. A vegetarian diet with some animal-source ingredients is more likely to meet the needs of the pet, than a completely vegan diet. In either case, feeding such a diet carries an element of risk to the health of the animal, so the pet owner must consider the possible consequences of choosing these types of diets.

If it is later found that a commercial product does not meet the animal’s nutritional needs, it would also be helpful for the pet owner to report that fact to the company and the appropriate regulatory agencies. That way, corrective measures can be taken to ensure that products on the market are nutritionally adequate for the intended species.

Are you just researching vegetarian diets, but still feeding your dog meat?

Then check out some of these top dog food recommendations by breed size:

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Written by Gogsi

By fusing a passion for animal health with an extensive background (bachelor's degree, 10+ years) in marketing and finance, Gogsi helps caring pet-owners navigate through false advertising and make financially savvy, informed buying decisions (when it comes to providing exceptional care & daily nutrition to their beloved dogs).

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