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Thread: Dog Foods and Fillers

  1. #1
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    Vikinggirl's Avatar
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    Default Dog Foods and Fillers

    I ran across an article in a pet food industry journal recently that questioned whether fillers in pet food are unfairly maligned, not only by "informational websites" like this one, but also by pet food manufacturers who use phrases like "contains no fillers" to market their products.

    The author of the article observes that the overriding message is that fillers are bad news and should be avoided. He then poses the question, "But, is this a legitimate warning or are we unwittingly being sensitized to select against a broad category of potentially beneficial ingredients?"

    Defining Fillers in Processed Pet Food

    For those of you unfamiliar with pet food industry-speak, "potentially beneficial ingredients" can be loosely defined as ingredients added to processed dog or cat food that are:

    Cost effective for the pet food producer

    Useful to the manufacturer in turning raw ingredients into processed pet diets

    Beneficial in stabilizing products for shipment and storage

    Not species-appropriate nutrition for pets

    If the "potentially beneficial ingredient" also offers the manufacturer an opportunity to market the product to appeal to pet owners hoping to offer a healthy, high quality diet to their dog or cat, it's an added bonus. For example, pet food producers realize consumers have grown savvy about the need for protein in their carnivorous pet's diets. The only protein truly beneficial for cats and dogs is animal protein, but that doesn't stop pet food companies from adding ingredients like feather meal or soy protein concentrate to not only increase the protein percentage of the formula, but also give the product "high protein" bragging rights.

    The article author goes on to say that what constitutes a "filler" is open to interpretation, because the term isn't a defined ingredient by any regulatory agency. But the fact is, it's not at all complicated to find the fillers in processed pet food.

    Take a look at the ingredients in these two commercial dog foods. Which do you suppose contains more fillers?

    Raw Dog Food, Sold Frozen 'Premium' Dry Dog Food

    Ingredients Ingredients
    Free-Range Meat = 69%
    chicken meat including bone, chicken gizzards, chicken hearts and chicken livers

    Organic Vegetables = 29.3%

    carrots. squash, yams, zucchini, celery, romaine, parsley, apple cider vinegar

    Special Nutrient Mix = 1.7%

    kelp, sea salt, inulin, zinc, copper and iron amino acid chelates, vitamin E Ground yellow corn, corn gluten meal, whole wheat flour, animal fat preserved with mixed-tocopherols (form of Vitamin E), soy protein concentrate, soy flour, water, rice flour, pearled barley, sugar, tricalcium phosphate, propylene glycol, animal digest, dicalcium phosphate, salt, phosphoric acid, sorbic acid (a preservative), calcium carbonate, potassium chloride, L-Lysine monohydrochloride, dried spinach, dried apples, dried sweet potatoes, choline chloride, calcium propionate (a preservative), added color (Red 40, Yellow 5, Blue 2, Yellow 6), Vitamin E supplement, zinc sulfate, ferrous sulfate, manganese sulfate, niacin, Vitamin A supplement, copper sulfate, Vitamin B-12 supplement, DL-Methionine, calcium pantothenate, thiamine mononitrate, garlic oil, pyridoxine hydrochloride, riboflavin supplement, Vitamin D-3 supplement, calcium iodate, menadione sodium bisulfite complex (source of Vitamin K activity), folic acid, biotin, sodium selenite

    Another reason for the laundry list of ingredients in the dry food above is that in order to meet AAFCO nutritional standards, pet food manufacturers must add back in the vitamins and minerals that either aren't found in a limited ingredient list (raw food, above), aren't found in a long list of low quality ingredients (dry food, above), or are destroyed during the extreme processing that these pet foods undergo (dry food, above).

    Fillers Can Be a Special Problem for Cats

    Unlike dogs, who are scavenging carnivores that can survive (but not thrive) eating grain-filled diets, cats are obligate carnivores, which means they need animal meat to stay alive.

    Let's do another ingredient comparison, this time looking at a raw cat food and a canned cat food marketed as containing "natural ingredients in perfect balance."

    Raw Cat Food, Sold Frozen ‘Premium’ Canned Cat Food

    Ingredients Ingredients

    Free Range Chicken, Ground Chicken Bone, Chicken Hearts, Chicken Liver, Psyllium, Kelp, Salmon Oil, Catnip Turkey, Turkey Broth, Chicken Broth, Water, Pork Liver, Brown Rice, Carrots, Pork Plasma, Potato Starch, Rice Starch Modified, Spinach, Dried Egg Whites, Dextrose, Oat Fiber, Pea Protein, Pea Fiber, Chicken Liver Flavor, Calcium Carbonate, Potassium Chloride, Sodium Phosphate, Vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of vitamin C), Thiamine Mononitrate, Niacin, d-Calcium Pantothenate, Biotin, Vitamin A Acetate, Pyridoxine Hydrochloride, Riboflavin Supplement, Vitamin B12 Supplement, Vitamin D3 Supplement, Folic Acid, Menadione Sodium Bisufite Complex (source of vitamin K3)), Taurine, Guar Gum, Minerals (Ferrous Sulfate, Zinc Oxide, Copper Proteinate, Manganous Sulfate, Potassium Iodide), Choline Chloride, Caramel (color), DL-Methionine, Beta-Carotene

    Once again, it's a piece of cake to pick the formula loaded with fillers. As with the dog food examples, both cat foods meet AAFCO nutritional standards. But it's again notable just how many supplements the producer of the canned formula must add back in to meet those requirements.

    Don't Be Fooled By Nonsensical Discussions of 'Good' vs. 'Bad' Pet Food Fillers

    The bottom line is this: fillers in commercial pet food are there for the benefit of the manufacturers, not for the animals who will be fed their formulas. The other benefit of these formulas is that they are affordable for most pet owners.

    Your job as the loving guardian of a dog or cat is to feed the highest quality diet you can reasonably afford, since what your pet eats directly contributes to how long he will live, and how healthy he will remain throughout his lifetime.

  2. #2
    The Ultimate Sourmug nycbullymama's Avatar
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    Default Re: Dog Foods and Fillers

    Thanks for this @Vikinggirl

    This is why it's so important to read the ingredients in our pets food. And if we're unfamiliar with an ingredient(s) to find out what it is- even if it means calling the company (which I

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