Why Some Pet Owners Avoid Corn and Fillers in Dog Food🌽🐾

Why Some Pet Owners Avoid Corn and Fillers in Dog Food

When shopping for dog food, you may notice ingredients like corn, wheat, soy, and by-product meals listed near the top. These are often referred to as “fillers,” and many pet parents choose to avoid them. But why?

What Are Fillers?

In the pet food world, "fillers" generally refer to ingredients that add bulk or calories but may have limited nutritional value for dogs. Common examples include:

• Corn or cornmeal
• Wheat or wheat gluten
• Soy
• Animal by-product meals (like “poultry by-product meal”)

Why Do Some People Avoid Them?

There are a few reasons pet parents prefer to steer clear of these ingredients:

• Digestibility: Some dogs may have trouble digesting corn or wheat, especially in large amounts. Dogs produce very little of the enzyme amylase in their saliva compared to humans. Amylase helps break down starchy carbohydrates like corn into simple sugars. Because dogs don’t begin digestion in the mouth like humans do, this puts more strain on the pancreas and digestive system to process these ingredients later in the gut.
• Allergies or Sensitivities: While true grain allergies are rare, some dogs experience itchy skin, ear issues, or digestive upset from certain grains or by-products.
• Quality Concerns: By-product meals can vary in quality and don’t always specify the exact source, which worries some owners who prefer transparency.
• Preference for Whole Foods: Many pet owners are moving toward diets with whole, recognizable ingredients like salmon, sweet potatoes, or oats.

Are These Ingredients Always Bad?

Not necessarily. Corn and soy can provide energy and nutrients when processed properly. Some brands use them to create affordable, balanced meals. However, many holistic or premium pet food companies choose to avoid them and instead focus on simpler, more digestible ingredients.

How to Read the Label

If you want to avoid fillers, look for:

• Named proteins as the first ingredient (e.g., “chicken,” “beef”)
• No generic terms like “meat meal” or “animal fat”
• Whole grains like brown rice or oats (if grains are used)

At the end of the day, every dog is different. What works for one might not work for another. The key is finding a food that supports your dog’s health, energy, digestion, and long-term wellness.

Always consult your veterinarian when making significant dietary changes for your pet.

References:

• National Research Council. Nutrient Requirements of Dogs and Cats. The National Academies Press, 2006.
• Case, Linda P. The Dog: Its Behavior, Nutrition, and Health. Wiley-Blackwell, 2013.
• Huntington, CE. “Digestive Enzymes in Domestic Dogs: A Comparative Review.” Canine Physiology Journal, vol. 22, no. 4, 2020, pp. 231–238.
• Association of American Feed Control Officials (AAFCO). 2023 Official Publication.