Precise Naturals Grain Free (Dry)

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Rating: ★★★★☆

Precise Naturals Grain Free Dog Food receives the Advisor’s second-highest tier rating of 4 stars.

The Precise Naturals Grain Free product line includes two dry dog foods.

Each recipe below includes its related AAFCO nutrient profile when available on the product’s official webpage: Growth, Maintenance, All Life Stages, Supplemental or Unspecified.

  • Precise Naturals Grain Free Lamb Formula [A]
  • Precise Naturals Grain Free Chicken Formula [A]

Precise Naturals Grain Free Chicken Formula was selected to represent both products in the line for this review.

Precise Naturals Grain Free Chicken Formula

Dry Dog Food

Estimated Dry Matter Nutrient Content

Protein = 29% | Fat = 18% | Carbs = 45%

Ingredients: Chicken meal, garbanzo beans, spring yellow pea flour, spring yellow pea starch, chicken fat (preserved with mixed tocopherols and ascorbyl palmitate), chicken, beet pulp, flaxseed, dried egg product, natural chicken flavor, sunflower oil, menhaden fish oil, chicken cartilage (source of glucosamine and chondroitin sulfate), dicalcium phosphate, potassium chloride, salt, choline chloride, calcium ascorbate (source of vitamin C), zinc amino acid chelate, iron amino acid chelate, dried Lactobacillus acidophilus fermentation product, dried Enterococcus faecium fermentation product, Yucca schidigera extract, biotin, manganese amino acid chelate, cobalt amino acid chelate, calcium carbonate, vitamin E supplement, vitamin A supplement, calcium pantothenate, niacin, pyridoxine hydrochloride (B6), thiamine mononitrate (B1), vitamin B12 supplement, vitamin D3 supplement, riboflavin supplement, dl-methionine, copper amino acid chelate, folic acid, selenium yeast, calcium iodate

Fiber (estimated dry matter content) = 3.9%

Red items indicate controversial ingredients

Estimated Nutrient Content
MethodProteinFatCarbs
Guaranteed Analysis26%16%NA
Dry Matter Basis29%18%45%
Calorie Weighted Basis25%37%39%
Protein = 25% | Fat = 37% | Carbs = 39%

The first ingredient in this dog food is chicken meal. Chicken meal is considered a meat concentrate and contains nearly 300% more protein than fresh chicken.

The second ingredient includes garbanzo beans, also known as chickpeas. Like peas, bean and lentils, the chickpea is a nutritious member of the fiber-rich legume (pulse) family of vegetables.

Garbanzos contain about 22% protein, something which must be considered when evaluating the total protein reported in this food.

The third ingredient is pea flour, a powder made from roasted yellow peas. Pea flour contains as much as 25% protein, a factor that must be considered when judging the meat content of this dog food.

The fourth ingredient is pea starch, a paste-like, gluten-free carbohydrate extract probably used here as a binder for making kibble. Aside from its energy content (calories), pea starch is of only modest nutritional value to a dog.

The fifth ingredient is chicken fat. Chicken fat is obtained from rendering chicken, a process similar to making soup in which the fat itself is skimmed from the surface of the liquid.

Chicken fat is high in linoleic acid, an omega-6 fatty acid essential for life. Although it doesn’t sound very appetizing, chicken fat is actually a quality ingredient.

The sixth ingredient is chicken. Although it is a quality item, raw chicken contains about 80% water. After cooking, most of that moisture is lost, reducing the meat content to just a fraction of its original weight.

After processing, this item would probably account for a smaller part of the total content of the finished product.

The seventh ingredient is beet pulp. Beet pulp is a controversial ingredient, a high fiber by-product of sugar beet processing.

Some denounce beet pulp as an inexpensive filler while others cite its outstanding intestinal health and blood sugar benefits.

We only call your attention here to the controversy and believe the inclusion of beet pulp in reasonable amounts in most dog foods is entirely acceptable.

The eighth ingredient is flaxseed, one of the best plant sources of healthy omega-3 fatty acids. Provided they’ve first been ground into a meal, flax seeds are also rich in soluble fiber.

However, flaxseed contains about 19% protein, a factor that must be considered when judging the actual meat content of this dog food.

The ninth ingredient is dried egg product, a dehydrated form of shell-free eggs. Quality can vary significantly. Lower grade egg product can even come from commercial hatcheries — from eggs that have failed to hatch.

In any case, eggs are easy to digest and have an exceptionally high biological value.

From here, the list goes on to include a number of other items.

But to be realistic, ingredients located this far down the list (other than nutritional supplements) are not likely to affect the overall rating of this product.

With five notable exceptions

First, sunflower oil is nutritionally similar to safflower oil. Since these oils are high in omega-6 fatty acids and contain no omega-3’s, they’re considered less nutritious than canola or flaxseed oils.

Sunflower oil is notable for its resistance to heat damage during cooking.

There are several different types of sunflower oil, some better than others. Without knowing more, it’s impossible to judge the quality of this ingredient.

Next, this recipe contains menhaden oil. Menhaden are small ocean fish related to herring. Their oil is naturally rich in the prized EPA and DHA type of omega-3 fatty acids, two high quality fats boasting the highest bio-availability to both dogs and humans.

What’s more, in their mid-depth habitat, menhaden are not as likely to be exposed to mercury contamination as is typical with deep water species.

In addition, we note the inclusion of dried fermentation products in this recipe. Fermentation products are typically added to provide enzymes to aid the animal with digestion.

Next, this food contains chelated minerals, minerals that have been chemically attached to protein. This makes them easier to absorb. Chelated minerals are usually found in better dog foods.

And lastly, this recipe includes selenium yeast. Unlike the more common inorganic form of selenium (sodium selenite), this natural yeast supplement is considered a safer anti-cancer alternative.

Precise Naturals Grain Free Dog Food
The Bottom Line

Judging by its ingredients alone, Precise Naturals Grain Free looks like an above-average dry dog food.

But ingredient quality by itself cannot tell the whole story. We still need to estimate the product’s meat content before determining a final rating.

The dashboard displays a dry matter protein reading of 29%, a fat level of 18% and estimated carbohydrates of about 45%.

As a group, the brand features an average protein content of 28% and a mean fat level of 16%. Together, these figures suggest a carbohydrate content of 48% for the overall product line.

And a fat-to-protein ratio of about 55%.

Near-average protein. Near-average fat. And near-average carbs when compared to a typical dry dog food.

When you consider the protein-boosting effect of the garbanzo beans, pea flour and flaxseed, this looks like the profile of a kibble containing a moderate amount of meat.

Bottom line?

Precise Naturals Grain Free is a plant-based dry dog food using a moderate amount of chicken or lamb meals as its main sources of animal protein, thus earning the brand 4 stars.

Highly recommended.

Please note certain recipes are sometimes given a higher or lower rating based upon our estimate of their total meat content and (when appropriate) their fat-to-protein ratios.

Precise Dog Food
Recall History

The following list (if present) includes all dog food recalls since 2009 directly related to this product line. If there are no recalls listed in this section, we have not yet reported any events.

You can view a complete list of all dog food recalls sorted by date. Or view the same list sorted alphabetically by brand.

To learn why our ratings have nothing to do with a product’s recall history, please visit our Dog Food Recalls FAQ page.

Get free dog food recall alerts sent to you by email. Subscribe to The Advisor’s recall notification list.

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A Final Word

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Each review is offered in good faith and has been designed to help you make a more informed decision when buying dog food.

However, due to the biological uniqueness of every animal, none of our ratings are intended to suggest feeding a particular product will result in a specific dietary response or health benefit for your pet.

For a better understanding of how we analyze each product, please read our article, "The Problem with Dog Food Reviews".

Remember, no dog food can possibly be appropriate for every life stage, lifestyle or health condition. So, choose wisely. And when in doubt, consult a qualified veterinary professional for help.

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Have an opinion about this dog food? Or maybe the review itself? Please know we welcome your comments.

Notes and Updates

12/28/2016 Last Update

  • Harry Monster

    Within the past two months I had two bags of grain-free lamb with white mold in it. We found two more in the pet food store an I was told that there was a problem with moisture in the home facility. So far I have not had a problem with the grain-free chicken.

  • Heather Felcher

    Are you still using this food? How are your dogs symptoms doing? My Shih Tzu has skin and tummy problems as well.

  • Ray Korbyl

    Have been feeding holistic complete formula lamb and turkey and it has been a life saver we have tried all flavors of orijen,Merrick and blue buffalo and finally the vet recommend to try precise because its a family owned business and its all American made products,I’m not saying orijen is bad because I am still transitioning my other dog to precise and form orijen she love both but I just want to feed both the same food and lately she has been itching a lot more so we will see how it goes with precise..love that it has had no recalls and it does not use any out of state products..

  • Mark

    Do you have any real experience or training doing research? When I read the information you have posted personally and what you claim is research based, my final analysis is you are a pseudo researcher with no true training. Finally, a lot is spelled the way I wrote it in this post. This is something anyone claiming to understand research should know.

    Please, don’t make all these claims without an appropriate list of sources. You should be aware of who is doing the research and why.

  • Gail Taraschuk

    Peta promotes pornography more than saving or helping animals and also many of their members eat meat ! Hypocrites !

  • Gail Taraschuk

    Peta is known all over the news as pet murderers ! They have kil kits in the vans and euthanize animals as soon as they get them..healthy adoptable pets ! These animals do not even get a chance to be adopted. They kill over 90 + percent of the animals they get..as soon as they get them ! So much for Peta ! They also stole a Chihuahua off someones front porch and killed it. Leaving the little girl who owned it unconsolable ! This was caught by a security camera ! Peta stages all their videos….I have also heard the sometimes pay animal abusers to kill animals on camera for more publicity for their Company. They do not have an animal shelter as that has been checked out by investigators. Though they make it appear they do to the public and donors. Donors are people who love animals and want to save them, and find them loving homes. They are being lied to by Peta ! DO NOT GIVE MONEY TO SUPPORT PETA….GIVE TO LOCAL SHELTERS INSTEAD. THEY NEED THE FUND TO HELP ANIMALS EVEN MORE SO ! Peta cares more about publicity stunts then they do saving animals or finding them homes ! That is where donor money goes ! The animals are the last of their concerns. I attached one of Peta’s promotions to show where donor money goes to…..it DOES NOT go to saving animals or finding the loving homes ! With the money they get in donations for these animals…non are being saved….only euthanized immediately with no chance to even find a loving home… cats found in green garbage bags dumped in bins after Peta murdered them right in their vans with kill kits. These animals found were checked out to be healthy and adoptable by Vets ! They kill puppies, kittens and so many other animals. And just look at this disgusting promotional picture of Peta’s ! Would you want your children to see that on the streets ? Peta is a fraud and extremely disgusting and |I am glad now that I never gave them a red cent of my money ! Why then do you even mention Peta as if they are a good thing ???

  • Bclark

    I have my little dog on this, I have spent about 3 grand this year at vet for constant skin and stomach issues, test meds changing foods to prescription food, you name it! It’s been a few weeks now on the holistic formula, the itching and intestinal issues have improved!

  • Joe

    It is a fact that vegetarians in general have a more alkaline urine than meat eaters with or without the foods you have listed.You can see below that meats (esp beef and pork) tend to be more acidic than many fruits and other plant products.Below a more accurate list that may illustrate things in a bit more in detail.Perhaps a doctor or vet can confirm to you that vegetarians have a higher ph.That is why when your dog is on a vegetarian diet (or it can happen even on a meat diet) and has a high ph (alkaline) you have to monitor it and possibly feed ascorbic acid and cranberry in order to avoid bladder or gall stones according to Dr. May.

    http://www.naturalhealthschool.com/acid-alkaline.html

    pH Balance Chart
    Most AlkalineAlkalineLowest AlkalineFOOD CATEGORYLowest AcidAcidMost AcidSteviaMaple Syrup, Rice SyrupRaw Honey, Raw SugarSWEETENERSProcessed Honey, MolassesWhite Sugar, Brown SugarNutraSweet, Equal, Aspartame, Sweet ‘N LowLemons, Watermelon, Limes, Grapefruit, Mangoes, PapayasDates, Figs, Melons, Grapes, Papaya, Kiwi, Blueberries, Apples, Pears, RaisinsOranges, Bananas, Cherries, Pineapple, Peaches, AvocadosFRUITSPlums, Processed Fruit JuicesSour Cherries, RhubarbBlackberries, Cranberries, PrunesAsparagus, Onions, Vegetable Juices, Parsley, Raw Spinach, Broccoli, GarlicOkra, Squash, Green Beans, Beets, Celery, Lettuce, Zucchini, Sweet Potato, CarobCarrots, Tomatoes, Fresh Corn, Mushrooms, Cabbage, Peas, Potato Skins, Olives, Soybeans, TofuBEANS VEGETABLES LEGUMESCooked Spinach, Kidney Beans, String BeansPotatoes (without skins), Pinto Beans, Navy Beans, Lima BeansChocolate AlmondsChestnutsNUTS SEEDSPumpkin Seeds, Sunflower SeedsPecans, CashewsPeanuts, WalnutsOlive OilFlax Seed OilCanola OilOILSCorn Oil Amaranth, Millet, Wild Rice, QuinoaGRAINS CEREALSSprouted Wheat Bread, Spelt, Brown RiceWhite Rice, Corn, Buckwheat, Oats, RyeWheat, White Flour, Pastries, Pasta MEATSVenison, Cold Water FishTurkey, Chicken, LambBeef, Pork, Shellfish Breast MilkSoy Cheese, Soy Milk, Goat Milk, Goat Cheese, WheyEGGS DAIRYEggs, Butter, Yogurt, Buttermilk, Cottage CheeseRaw MilkCheese, Homogenized Milk, Ice CreamHerb Teas, Lemon WaterGreen TeaGinger TeaBEVERAGESTeaCoffeeBeer, Soft Drinks

  • Joe

    The scientific study was conducted with vegetarian and. meat based diets and the vegetarian diet seemed better for kidney disease.The scientists ASSUME it is due to the high phosphorus levels in meat.We don’t know everything but meat has generally higher levels of phosphorus than the plant products you have listed. If you have kidney disease your medical professional will give you a list listing on what to avoid-such as phosphorus or kalium for instance.They also should give you a list which products have the highest levels. Meat is one of them in phosphorus.

  • Shawna

    One final though — go to nutritiondata.com and look up rice, oats, soy, tofu, kidney beans, lentils etc. Most of the foods that a vegan would use for protein also have higher amounts of phosphorus than calcium. Unless you don’t add these foods to your diet the calcium to phosphorus concerns of meat seems to be a moot point.

  • Shawna

    I also wanted to note that it is “grains” in the diet of feed lot cattle that increases the AA of the end product. It is believed that grains have that same impact on us..

    “The AA in meat is located both in the muscle and in the fat. The quantities are higher in red meat because red meat has more fat, which, at least, in today’s domestic feedlot animals, contains high levels of AA. Animals have the same eicosanoid synthesis cascade that we do, and when they are grain-fed and fattened, the high-carbohydrate grain stimulates their insulin just as it does ours. Fats are stored in fatty tissue in the same ratio that they occur in the blood, so cattle and people, having large quantities of circulating AA will store large quantities as well. The good news is that range-fed cattle and wild game have much less fat to begin with, and what fat they have contains little AA. You can add wild game to your diet by following in the footsteps of your ancestors and bagging it in the field or by purchasing it from one of the purveyors listed in the appendix [of this book].” http://www.alternative-health-group.org/arachidonic-acid.php

    More data on the topic http://www.nutritionj.com/content/9/1/10

  • Shawna

    Interesting… So based on your post, you don’t recommend any of the foods on the below list then?

    ACIDIFYING VEGETABLES

    Corn

    Lentils

    Olives

    Winter Squash

    ACIDIFYING FRUITS

    Blueberries

    Canned or Glazed Fruits

    Cranberries

    Currants

    Plums**

    Prunes**
    http://www.rense.com/1.mpicons/acidalka.htm

    ACIDIFYING GRAINS, GRAIN PRODUCTS

    Amaranth

    Barley

    Bran, oat

    Bran, wheat

    Bread

    Corn

    Cornstarch

    Crackers, soda

    Flour, wheat

    Flour, white

    Hemp Seed Flour

    Kamut

    Macaroni

    Noodles

    Oatmeal

    Oats (rolled)

    Quinoa

    Rice (all)

    Rice Cakes

    Rye

    Spaghetti

    Spelt

    Wheat Germ

    Wheat

    ACIDIFYING BEANS & LEGUMES

    Almond Milk

    Black Beans

    Chick Peas

    Green Peas

    Kidney Beans

    Lentils

    Pinto Beans

    Red Beans

    Rice Milk

    Soy Beans

    Soy Milk

    White Beans

    ACIDIFYING NUTS & BUTTERS

    Cashews

    Legumes

    Peanut Butter

    Peanuts

    Pecans

    Tahini

    Walnuts

  • Joe

    Funny how you provided the same reference.
    The article below from Germany contains lots of references based on scientific studies world-wide.

    Meat products contain on average more phosphorus than calcium, as opposed to vegetable food. A raised dietary phosphorus/calcium ratio leads to secondary hyperparathyroidism. (1)

    Parathormone from the parathyroid gland leads to a mobilisation of calcium from the bones. Adolescents are at particular risk for this, as insufficient bone mass in puberty is a risk factor for osteoporosis in later life. A study of young women showed a negative correlation between protein and phosphorus intake and radial bone thickness. (2)
    Animal proteins contain more sulfurous amino acids than vegetable proteins. Protons resulting from the degradation of sulfurous amino acids are a major source of acid. A continuous excess of acid promotes the demineralization of the bones, since H+ ions bind to phosphate ions during formation of hydrogen phosphate.
    In 2001 several studies were published on “acid-base metabolism” and bone metabolism (3, 4, 5).
    A Swiss research group at the University of Lausanne showed that an acid forming diet increased the excretion of calcium by 74 %, compared with an alkaline forming diet.
    In a study of osteoporotic fractures, a research group from the University of California published results showing that the risk of a hip fracture in post-menopausal women essentially depends on the composition of their diet. Older women with a high intake of animal, rather than vegetable, proteins ran a significantly higher risk for hip fractures than people in a control group. The incidence of hip fractures in individual countries correlates with the ratio of animal to vegetable protein in the daily diet. These researchers concluded that a low-grade metabolic alkalose is probably the optimum acid-base status.
    The Framingham Osteoporosis Study also showed that a high consumption of fruit and vegetable had a protective effect on bone structure (6).

    Rheumatic diseases

    All animal products, especially meat, sausages and fish, contain abundant arachidonic acid. Prostaglandins and leukotriens belong to the metabolites of arachidonic acid. An increase in prostaglandin E can be detected in the synovial fluid of people who suffer from rheumatism. It also contributes to the development of cartilage erosion (7).

    The more arachidonic acid is ingested in the diet, the more inflammatory substances can be produced. There are several publications on the anti-inflammatory and analgetic effect of a vegetarian diet on rheumatism (8, 9).

    A vegan diet is evidently particularly effective here since no arachidonic acid is ingested.

    Tumor diseases

    Frying, boiling and grilling of meat and fish produces heterocyclic amines. These substances result from a chemical reaction between the amino acids and the creatine of the muscular substance. Several studies have shown that heterocyclic amines have considerable genotoxic and mutagenic potential (10, 11).

    Heterocyclic amines are a risk factor for several tumor types, in particular for colon carcinoma. Cancers of the stomach, esophagus, prostate, pancreas, kidney and breast have also been associated with heterocyclic amines within the medical literature (12).

    Uruguay and Argentine belong to the countries with the highest consumption of beef and suffer also from the highest rates of cancer of the breast and of the colon. Some studies also report a cardio toxic effect of heterocyclic amines (13, 14, 15).

    In addition to heterocyclic amines other carcinogenic substance are produced in the intestine during the digestion of meat. A study by the University of Hohenheim found that a diet high in fat and meat increases the toxicity of fecal water to the intestinal epithelia (16).

    Protein degradation by flora within the colon also produces potentially toxic substances, including ammonia, phenols, indols, and amines, as well as N nitroso compounds and sulfide (17).

    A study at the University of Cambridge demonstrated a close correlation between the formation of N nitroso compounds and the amount of red meat consumed (18).

    Epidemiological studies have demonstrated a correlation between the consumption of red meat and the incidence of colorectal carcinoma. Meat protein also constitutes a significant substrate for bacterial production of sulfide in the intestines. Sulfide compounds also contribute to the development of colitis (19).

    Increased concentrations of the insulin-like growth factor I (IGF-1) promote the development of tumor diseases. In 2002 a study of the University of Oxford was published on the IGF concentrations in different diet types. Vegans had significantly lower IGF-1 concentrations than meat-eaters and lacto-ovo vegetarians. In addition, the concentrations of IGF binding proteins (IGFBP-1 and IGFBP-2) were increased in this group. (20).

    http://www.heimat-fuer-tiere.de/english/articles/med/meat_makes_you_sick.shtml

  • Joe

    You’re playing the game of life as best you know how and I hope that you are trying to get better every day. If someone hurts me,I know I don’t deserve it.No one does. End of conversation.

  • This one is just about average in protein so I would say there’s a lot of other grain free choices that are worse! This would be ok for me to use in my rotation. It’s pretty close to Nutrisource GF Lamb. My fosters don’t get high protein all the time.

  • Pattyvaughn

    You didn’t. He started it on another thread and decided he needed to bleed over here.

  • Omar D. Plumey

    I didn’t mean to start such a debate!

  • Hound Dog Mom

    Hi Joe –

    Unlike you I never made any claims of providing “peer reviewed research.” The reason being, no peer reviewed research exists demonstrating that dogs fed plant based proteins are healthier than dogs fed animal based proteins. Which I’ve already stated.

    A compilation of data does not necessarily denote a peer reviewed study (case in point: the study you linked to concerning vegetarian dogs) however a peer reviewed study will often contain a compilation of data. Does this make sense?

    Regardless – here is an article from a peer reviewed journal (The Journal of Sports Science and Medicine) which includes a table of biologic values of various protein sources (among other ranking methods): http://www.jssm.org/vol3/n3/2/v3n3-2pdf.pdf

    I’m still waiting on your “peer reviewed research” proving vegetarian dogs are healthier than dogs fed meat.

  • Joe

    This is incorrect.A data chart is part of a quantitative study based on mathematical data and statistical analysis.You still have not provided me with a peer-reviewed article and scientific study where all the sources are listed in order to account for credibility.

  • Hound Dog Mom

    Hi Joe –

    If you revisit my earlier post you’ll see that what was provided was a chart of BV ratings – a data chart is not a study (two different concepts).

  • Joe

    What kind of study is this?Quantitative,qualitative,what sample size?

  • Hound Dog Mom

    By the way – none of the links you provided were for peer reviewed studies. You may want to read this article which helps to explain how to determine if an article is peer reviewed:

    http://pioneersread.wordpress.com/2011/08/31/5-ways-to-tell-if-the-article-is-scholarly-aka-peer-reviewed-aka-academic/

  • Hound Dog Mom

    Joe you did not provide a peer reviewed article demonstrating that vegetarian dogs are healthier than meat eating dogs. You have also provided no peer reviewed research demonstrating that plant proteins are in any way preferable for healthy dogs than animal based proteins.

    You state that “no meat has 100% bioavailability.” If you where familiar with the evaluation process of protein bioavailability you would know that of course this is true (and I never claimed otherwise). This is true because the bioavailability of all proteins is compared to that of an egg which is recognized as the most bioavilable protein with a BV rating of 100. What the chart was meant to demonstrate is that plant proteins have a lower BV than animal proteins. No, it’s not an exhaustive list but it demonstrates the just – that animal derived proteins are more bioavailable than plant proteins. I’m sure you could easily find a more inclusive list.

  • Joe

    I find also IRONIC that I provided you with three different articles of which at least one of them is peer reviewed and you stated that ‘they would not work for you’ and then you provide me with an article when you click on it there is no peer review. It doesn’t give me the method of the study and the sample size to compare to any data.All I can find in your articles is the differences between soy and beef and the data on Quinoa and beans are completely missing and no sources are provided.Why keep making inaccurate claims since per your own article plant proteins don’t look that ‘bad’ in comparison? And where is the entire list? Chicken vs. pork and beef etc.None of these meats have 100% bio availability.

    http://www.pkdiet.com/pdf/diet

    http://www.collective-evolution.com/2013/08/16/fda-finally-admits-chicken-meat-contains-cancer-causing-arsenic/

    http://chriskresser.com/bone-broth-and-lead-toxicity-should-you-be-concerned

  • Hound Dog Mom

    Hi Joe –

    It’s ironic that you state “a lot of people online make non-scientific claims NOT based on peer-reviewed articles” because I have yet to see you provide a peer reviewed article demonstrating that dogs are healthier on a vegetarian diet than on a meat based diet – I can assure you no such peer reviewed research exists.

    You state: I disagree that ‘plant protein are not complete’ – could you explain how this statement is valid? Because, aside from a few notable exceptions such as those I mentioned, this is indeed true. Here is a better explanation from the University of Massachusetts’ nutrition website:

    “Plant foods are considered
    incomplete proteins because they are low or lacking in one or more
    of the amino acids we need to build cells.

    Incomplete proteins found in plant foods can be mixed together to make a complete protein. As a general rule, grains, cereals, nuts, or seeds can be eaten together with dried beans, dried peas, lentils, peanuts or peanut butter. Examples of these combinations include peanut butter on wheat bread, rice and beans, and split pea soup with corn bread. Incomplete proteins found in plant foods can also be combined with small amounts of animal foods to make a complete protein. Examples include macaroni and cheese, and tuna noodle casserole.”

    [http://www.umass.edu/nibble/infofile/incprot.html]

    Below is a table depicting various proteins evaluated using some of the most common criteria such as biological value, protein efficiency ratio, net protein utilization and protein digestibility corrected amino acid score. You’ll see that the animal derived proteins rate much more favorably than the plant derived proteins.

  • Hound Dog Mom

    Hi Joe –

    Neither of your links work. Could you provide some actual peer reviewed research – not a study done by PETA who obviously has vested interest in vegetarianism. This is an example of when it’s important to consider the source and evaluate any motive that may be involved and obtaining a particular outcome.

    Okay so fluoride and lead can be found in trace amounts in bone. Fluoride can also be found in the following items: apricots, broccoli, brussels spouts, cabbage, cauliflower, citrus fruits, collards, eggplant, kale, kiwi, lettuce, melon, nectarines, peaches, plums, pumpkin, squash, tomatoes, most berries, flour, water, cocoa powder, beans, brown rice and nuts [http://fluoridealert.org/issues/sources/f-pesticides/]. One of the main sources of lead contamination in food: “Food can contain
    lead if lead-containing dust gets onto crops while they are growing or during food processing” which would apply to plant matter [http://extoxnet.orst.edu/faqs/foodcon/lead.htm]. So should we not consume any of these items?

    Let’s now consider drawbacks that plant based proteins can have: arsenic, genetic modification (corn and soy), glutens, lectins, etc. etc.

    It’s important to always look at the whole picture.

  • Joe

    http://www.pkdiet.com/pdf/diet/Dog_Health_Survey.pdf

    I disagree that ‘plant protein are not complete’.Not all meat types provide all essential amino acid either and not all meat protein are equally valid for dogs–quinoa for instance indeed contains ALL the essential amino acids.
    I agree that more research is needed and that more research has been conducted on humans not dogs on the topic—but would like to know where you get your information from—alot of people online make non-scientific claims NOT based on peer-reviewed articles.

  • Joe

    And how is this logical since the exact same amino acids in meat protein are available in plant protein? A scientific study done by PETA of 300 vegetarian dogs found vegetarian dogs to be more healthy than regular dogs.More studies with larger samples are needed though.

    They found in scientific studies that meat and bones contain up to 10x higher amounts of Fluoride and Lead than in water or vegetables and raised the concern for children.These toxins are highly carcinogenic more so than other common toxins. Alot of dogs get cancer these days and it appears-based on studies-that vegetarian dogs have less illness. Perhaps this accounts for the extra antioxidants in plants available.

    http://www.collective-evolutio

    http://www.cancertutor.com/faq

  • Hound Dog Mom

    Hi Joe –

    It’s not that “different” amino acids are available in plant items than in animal items, it’s that plant items (generally – with a few notable exceptions such as soy and quinoa) aren’t complete proteins. This means that while animal proteins supply all the essential amino acids plant proteins don’t and, for this reason, plant proteins much be carefully “mixed and matched” to ensure adequate amino acid intake.

    Also – could you show research supporting your claim that vegetarian dogs “often do better than regular dogs.” Thanks in advance.

  • Joe

    Don’t know where you get your information from but I read scholarly based peer-reviewed scientific articles.The EXACT same amino acids in meat are available in plant protein.So how is it logical to argue that the exact same amino acids would be that different?They used to say the same in humans years ago and all the theories were proven wrong by true scientific studies.There are studies that show even vegetarian dogs can be very healthy and actually often do better than regular dogs.

  • Hound Dog Mom

    Joe –

    The article you provided was concerning human nutrition, not canine nutrition. Remember – dogs and humans are two different species with very different dietary needs therefore nutritional concepts that apply to humans may not necessarily apply to canines and vice versa.

    Would you also mind elaborating on how plant protein is “less toxic” than animal protein, particularly concerning species with a carnivorous bias such as the canine? Thanks in advance.

  • Omar D. Plumey

    I’m not reading that whole thing. Lol. It was my impression that Carnivores do better on animal based proteins whereas humans do better on plant based.

  • Pattyvaughn

    A food that is 49% meat is still plant based, so I don’t let that worry me too much as long as I can see that the food still has plenty of meat. And I do add raw to any kibble to boost the meat content even further.

  • Joe

    All the amino acids (protein) in meat is also available in plant protein.Dogs can digest plant protein fine.There are lots of non-scholarly articles floating on the internet that are not peer-reviewed claiming that dogs cannot do well on plant protein too.Plant protein has advantages and is less toxic.

    A scholarly article on the topic—

    http://www.jssm.org/vol3/n3/2/v3n3-2pdf.pdf.

  • Omar D. Plumey

    Sad to see so many grain free foods that are plant based. Where’s the meat??