Why are Wheat, Corn, & Soy in Pet Food?
CornEven this lab isn't the least bit interested. Corn is one of the most commonly used ingredients in pet foods. When reading ingredient labels of pet foods, you will see corn listed in various ways, including:
- Whole Corn: Whole corn is the entire corn kernel, including the bran, before it is ground.
- Corn Gluten Meal: Corn gluten meal is the moist, protein portion of a corn kernel. It is used to increase the amino acid profile of the food. It DOES NOT have the same qualities of whole corn, corn meal, or corn flour.
- Ground Corn: Ground corn is a meal ground from dried whole corn, but does not include the bran.
- Corn Flour: Corn flour is the highly-processed starch and endosperm of the corn kernel.
WheatWheat is another ingredient commonly used in pet foods…and believed to be one of the most common causes of pet allergies due to its overuse in foods. White flour shouldn't be a mainstay of your pet's diet. Pet food manufacturers—and human food makers—use white flour so frequently because of its low price point. You’ll find wheat listed under several names:
- Whole Ground Wheat: Whole ground wheat is a meal ground from the entire wheat kernel, including the bran.
- Ground Wheat: Ground wheat is a meal ground from whole wheat, but does include the bran.
- Wheat Bran: Wheat bran is the outer coating (the fiber) of the wheat kernel and is used to reduce the likelihood of constipation.
- Wheat flour: Wheat flour is the highly-processed starch and endosperm of the wheat kernel.
SoySoy is not an ideal source of protein for carnivorous pets. Many pet food companies like soy because it is a cheap source of protein. Pet food manufacturers use soy in a few forms:
- Soy Bean Meal: Soy bean meal is the by-product result of the soybean oil extraction process that includes the protein portion of the soybean.
- Soy Flour: Soy flour is the highly-processed starch and endosperm of the soybean.
- Soy Protein: Soy protein is isolated protein made from soybean meal after the soybean has been removed from its outer layer and has had the fatty acids removed.
- Soy Oil: If farmed responsibly and processed minimally, soy oil is actually a beneficial ingredient, offering Omega-3 fatty acids to balance Omega-6s in fish oil.
The TakeawayIn their pure, unprocessed forms, whole corn, whole grain wheat, and whole soy beans can offer a healthy mix of micro and macro-nutrients to herbivores.
But when ultra-processed as they often are in the pet industry, and when served to carnivorous dogs and cats who have little biological use for them, they serve as nothing more than inexpensive ways for pet food manufacturers to meet minimally required nutrient levels.
Our Favorite AlternativesThankfully, a growing number of foods are available without any of the above ingredients. Below are some of our top alternative ingredients. Look for pet foods that list a named animal protein as the first ingredient. Protein: Tomlinson’s recommends aiming for foods that list a named animal protein as their first ingredient. For example, Chicken, Beef, Salmon, or Chicken/Beef/Fish meal. Carb: If you have a high-energy dog that thrives on some inclusion of carbs, we love low-glycemic options like peas, chickpeas, and sweet potatoes. All of these ingredients are nutrient rich and benefit your dog or cat in a number of ways, including digestive health. They can also be given as a healthy snack. Sources: Dog Food Advisor, Pet Care RX, Dogs Naturally Magazine, The Honest Kitchen, Animal Wellness Magazine, Feedipedia, Dogington Post
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