What the best dog food has

  • Complete nutrition. For dogs that eat the same food every day, it's essential that the food provides all of the nutrients they need. Look for the AAFCO (Association of American Feed Control Officials) nutritional adequacy statement on the label.
  • Whole meat or a named meat meal (lamb meal, chicken meal, etc.) as its top ingredient. Avoid meat by-products, especially ones where the meat is not named, and meat-and-bone meals.
  • No fillers or low-quality grains. Grains (if used) should be whole grains, as opposed to glutens or other processed products. Rice and barley are better than corn or wheat.
  • Natural preservatives (or none at all). The best foods use natural preservatives like tocopherols (vitamin E) or ascorbate (vitamin C). Avoid foods with BHT, BHA and ethoxyquin (a chemical used to preserve fish meal -- it may not be listed on the label).

Know before you go

Dry, canned or raw? All are fine choices, but each has its pros and cons. Dry dog food is convenient to store, but you should at least supplement with canned, raw or homemade food, according to experts such as the editors of Whole Dog Journal, "The Dog Bible" author Tracie Hotchner and DogAware.com's Mary Straus.

Canned food tends to be higher-meat, lower-carb and contains fewer preservatives than dry (because the canning process itself acts as a preservative). Canned dog food also lets dogs get more moisture from their food, which helps them stay properly hydrated and benefits the urinary tract. (By the way, kibble doesn't clean dogs' teeth, Whole Dog Journal says -- chewing raw bones does that.)

Raw food gets closest to dogs' wild diet. You can make it yourself, or buy convenient frozen or dehydrated raw food.

Which life stage? Only two life-stage designations have any real meaning: puppy and adult dog. Those are the only two regulated by AAFCO. Puppy formulas generally have more calories and protein. Products labeled "senior" or "large breed" simply meet requirements for regular adult food. There's nothing regulating those additional terms when they're used on dog food packaging.

Observe your dog carefully when trying a new food. Some dogs need more protein and some need less, just as some dogs need to eat more than others, depending on activity level. Look for changes in coat and skin, along with stool consistency.

Pet-food safety is a concern. Past and recent recalls of dog foods have spotlighted some major issues regarding pet foods and their ingredients. Recently, recalled pet foods contaminated with salmonella have also sickened pet owners who handled the food. Although the majority of foods are deemed safe, this is clearly an ongoing issue.

Elsewhere in this report:

Best Dog Food: Which are the best dry and canned dog foods? Editors read expert opinions and user reports to identify the top choices.

Dog Food Ingredients: What's in that dog food? We explain which dog food ingredients to look for and which ones to avoid.

Best Dry Dog Food: Which are the best dry dog foods? We look at expert advice to identify the most nutritious choices, and some great budget alternatives.

Canned Dog Food: Which is the best canned dog food? We name top choices based on dog food reviews by experts and dog owners.

Raw Dog Food: Is a raw dog food better for your four-footed friend? We look at what experts say and name top choices.

Our Sources: Links to the expert and user reviews we used to select the top dog food, along with our assessment of each reviewer's expertise, credibility and helpfulness.

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