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Dog Food Ingredient groups - what to look for and what to avoid

Continuing from this post about learning how to find healthy dog food. Today I'm sharing tips from The Dog Food Project about what to look for and avoid in dog food.

Protein
Protein, in the form of quality meat ingredients, is the most important component of a dog's diet. As animals with a carnivorous background, their digestive tract is designed to utilize primarily meat and fat. It is also the most expensive ingredient for a manufacturer to buy and the profit margin on a product is drastically affected by the amount and quality used. Ideally, the first ingredient of a food should be either a specified meat meal, or a specified fresh meat type followed by a meal. If your individual dog's specific needs limit you to using foods that do not include a concentrated source of meat in meal form, I highly recommend supplementing with fresh or canned meats on a daily basis.

Generically named sources of protein or fat (animal ___, meat ___, poultry ___, etc.) are never present in truly high quality products because they are derived from highly questionable sources. If a manufacturer uses quality ingredients and has nothing to hide, there is no need for generic names.

Byproducts of any type are less desirable and only acceptable if they do not make up the main source of animal protein and if the name of the species used is also defined in some manner (e.g. "chicken byproducts" or "beef byproducts" but not "meat byproducts" or "poultry byproducts"). Byproducts consist of anything but the quality cuts of meat and highest quality edible offal used for human consumption. What this means (on a market with high demand for human snacks like "buffalo wings" and cheaper pet foods requiring flavoring agents like beef or chicken liver digest to make otherwise uninteresting food more attractive), I leave to your imagination.

Contrary to what many people believe, meat sources in "meal" form (as long as they are from a specified type of animal, such as chicken meal, lamb meal, salmon meal etc.) are not inferior to whole, fresh meats. Meals consist of meat and skin, with or without the bones, but exclusive of feathers/hair, heads, feet, horns, entrails etc. and have the proper calcium/phosphorus ratio required for a balanced diet. They have had most of the moisture removed, but meats in their original, "wet" form still contain up to 75% water. Once the food reaches its final moisture content of about 9-12%, the meat will have shrunk to sometimes as little as 1/4 of the original amount, while the already dehydrated meal form remains the same and you get more concentrated protein per pound of finished product. This means that in the worst case you are left with only 4 ounces of actual meat content per pound of fresh meat included in a dry kibble, many of which contain less than one pound of meat per 2-3 pounds of grain to begin with. Preferably a food contains quality meat meal as well as some fresh meat.

What to look for:
►Specifically named meats and meat meals such as chicken, chicken meal, turkey, turkey meal, lamb, lamb meal, duck, duck meal, beef, beef meal, eggs and so on.
►The following are lesser quality ingredients and are not found in truly high quality products, but may be present in smaller amounts (not as the main protein ingredients) in "mid range" foods: fresh byproducts indicating a specific species (e.g. beef/chicken/turkey/lamb byproducts), corn gluten, corn gluten meal.Products that include these as main ingredients should be avoided.

What to avoid:
►All generic meat ingredients that do not indicate a species (meat, meat byproducts, meat byproduct meal, meat meal, meat & bone meal, blood meal, fish, fish meal, poultry, poultry byproducts, poultry meal, poultry byproduct meal, liver, liver meal, glandular meal etc.)

►Byproduct meals, even if a species is identified (chicken/beef/turkey/lamb byproduct meal etc.), since highly questionable ingredients may be used in these rendered products.
►Any food that contains corn (ground or otherwise) as a first ingredient, especially if corn gluten meal is also a main ingredient and no concentrated source of identified meat protein (e.g. chicken meal, lamb meal etc.) is present.
► Corn gluten or soy(bean) meal as main ingredients. Note: Not all dogs tolerate soy products! Small amounts, especially of organic soy, are okay as long as a dog is not sensitive. There are only very few products on the market that include high quality soy ingredients, none of them sold at grocery stores or mass retailers.

Fats and Oils
Dogs need a certain amount of fats and oils in their diet, mostly for skin and coat health, but also for proper brain development and other critical processes in the body - and in this regard some are more valuable than others. As food ingredients they should be specifically named and of high nutritional value. Beef tallow and lard make foods highly attractive to dogs and are not harmful, but they are high in saturated fat and low in valuable fatty acids.

What to look for:
►Specifically named fats and oils such as chicken fat, herring oil, canola oil, sunflower oil, flax oil etc.
►High percentages of Omega-6 and Omega-3 fatty acids, but a low ratio of the two. For each percent of Omega-6s at least 0.13% Omega-3s should be present, resulting in a minimum ratio of 7:1. Ratios of 5:1 and lower are preferable. Don't discount a food because of low percentages of essential fatty acids though, you can easily make up for this with a good quality fish oil supplement.

What to avoid:
►Non-specific sources such as animal fat, poultry fat, vegetable oil, generic fish oil
►Mineral oil

Carbohydrates
Carbohydrates may originate from grains (rice, wheat, barley, oats, corn etc.) or alternative sources like potatoes, sweet potatoes, tapioca or peas. The claim that all carbohydrates in commercial dog food are nothing but fillers and can not be digested by dogs is incorrect - properly cooked (as in extruded and baked dry foods as well as canned foods) they are highly digestible and valuable sources of energy.

The tolerance of amounts and types varies, some dogs do better with more carbs in their diet than others, and some do better on grain-free foods with alternative sources.

For certain health conditions it is beneficial to avoid high-gluten grains like barley, wheat, rye or oats and favor low gluten ones like rice, millet, amaranth, quinoa and sorghum (milo).

Quality is also important, since grains deemed unfit for human consumption (often contaminated with mold) can legally still be used for animal feed.
Whole, unprocessed grains (also listed as "ground" or in "meal" form) retain all the nutrients in the bran layer, the original fat content and the endosperm. Grain fragments and flours are incomplete and may have already lost much of their nutritional value during processing and storage. Some manufacturers include one fragment (most commonly brewer’s rice) to lower product cost, which is acceptable if whole grains or starchy vegetables are also present. Be wary of products that consist mainly of fragments and flours. Flours are highly refined and while not harmful, contain less valuable nutrients and more refined carbohydrates than whole ground grains.

Be careful of "splitting" of ingredients, such as for example rice, rice flour and rice bran all appearing in an ingredient list. Added together they would appear much higher on the ingredient list.

What to look for:
►Whole ground grains such as rice, oats, barley, millet etc., potatoes, sweet potatoes, peas
►Corn often gets an undeserved bad reputation. While it is not acceptable as a main source of protein in a dog food (as it is used in combination with corn gluten), as a source of carbohydrates it is no better and no worse than other grains in terms of nutritional value and digestibility. The starch part of corn is highly digestible but the whole ground product has a higher fiber content than other grains (around 7%), which results in slightly larger stools - often incorrectly interpreted as lack of digestibility. Unless an individual dog is intolerant or allergic to corn, there is no need to avoid products which include it in reasonable amounts.

What to avoid:
►Fragments like potato product, middlings/mids or mill run of any kind
►Unspecified grain sources like cereal food fines, (distiller's) grain fermentation solubles

Fiber
Fiber is the part of carbohydrates that can not be digested by the dog. Depending on nutritional goals, varying levels of dietary fiber with different properties are necessary to make a highly processed food source like commercial kibble "work", since a dog's digestive tract is not designed to process a diet with such high levels of carbohydrates - most commercial dry foods contain 40-50%, low quality ones even more.

Depending on the inclusion of ingredients that are naturally high in fiber (e.g. brown rice, oats, certain fruits or vegetables), a food may or may not include specific, isolated types of fiber.

Beet Pulp, the isolated fibrous material from sugar beets, is another ingredient that has an undeservedly bad reputation. It is a very gentle, beneficial source of fiber that is not only generally very well tolerated, but also has specific properties that make it suitable as a source of nutrition for the beneficial bacteria that reside in the intestinal tract. The sugar is almost completely removed, what is left in the pulp is only about 1/5 the amount of sugar that you would find in a serving of carrots of equal size. It is also colorless and does not turn a dog's coat turn red, like urban legends claim. The argument that beet pulp is an "unnatural" ingredient is often brought up, but people who present this complaint seem to forget that it is also not natural for dogs to eat highly processed commercial products with a carb content of generally 40% and more, and a moisture content of only around 10% as opposed to a more natural 60-70%. Added fiber is required to make such formulations work for the pets who eat a dry diet.

What to avoid:
►Corn bran, peanut hulls, rice hulls, soybean hulls, oat hulls

Fruits & Vegetables
Fresh, unprocessed fruits and vegetables add vitamins, minerals and various phytonutrients. They are nice ingredients but by no means necessary and mostly only included in insignificant amounts. If a brand of food contains high quality protein, carbohydrate and fat sources but no fruits or vegetables, it's still a better choice than one with less ideal main ingredients that does have a few pieces of blueberries, peas or carrots added to make the ingredient list look more impressive. Sharing some of the fresh, unprocessed fruits and vegetables you eat yourself will add much more nutritional value to your dog's diet - just please do not give onions, grapes or raisins.

What to look for:
►Fruits and vegetables are a nice touch but should not be a deciding factor in choosing a brand. Unprocessed, fresh items are preferable to already processed ones, and organic is always the best choice.

What to avoid:
►Apple pomace, grape pomace, citrus pulp

Next part three: Finish up with all the other things in dog food, including preservatives, flavors etc.


I use and recommend Flint River Ranch a natural healthy dog food.

Thank you for reading Dog Is My Teacher!

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