Dog Food Glossary
Plain-language definitions for the 60 terms you will see on dog food bags, in vet conversations, and in product reviews. Searchable, cross-linked, and free of marketing fluff.
AAFCO
AAFCO Nutrient Profile
The minimum and maximum nutrient levels AAFCO requires for a life stage.
AAFCO Statement
The legal nutritional adequacy claim on a dog food bag.
Adult Maintenance (AAFCO Life Stage)
The AAFCO life stage covering healthy adult dogs.
All Life Stages
A recipe meeting both growth and adult maintenance nutrient profiles.
Complete and Balanced
Provides every essential nutrient at the right levels.
Feeding Trial
26-week real-dog test of a recipe's nutritional adequacy.
Formulated to Meet
Designed on paper to hit AAFCO nutrient minimums (no real-dog testing).
Growth (AAFCO Life Stage)
The AAFCO life stage covering puppies and pregnant or nursing dogs.
Nutrition
As-Fed Basis
Nutrient percentages as they appear on the label, with water included.
Ash
The mineral content of the food.
Calorie Density
Calories per cup or per kilogram, used for portion calculation.
Crude Fat
The minimum fat percentage on the guaranteed analysis.
Crude Fiber
The maximum fiber percentage on the guaranteed analysis.
Crude Protein
The minimum protein percentage on the guaranteed analysis.
Dry Matter Basis
Nutrient percentages with water removed for cross-format comparison.
Guaranteed Analysis
The required nutrient minimums and maximums on every dog food label.
Metabolizable Energy (ME)
The calories a dog can actually extract from the food.
Moisture
The maximum water content of the food.
Processing
Air-Drying
Slow low-heat drying at room temperature, similar nutrition to freeze-drying.
Baking (Baked Kibble)
An alternative to extrusion using lower temperatures and longer cook times.
Dehydration
Low-heat water removal that preserves more nutrients than extrusion.
Extrusion
The high-heat, high-pressure manufacturing process used to make kibble.
Freeze-Drying
Low-temperature water removal that preserves nutrients better than any other commercial process.
High-Pressure Processing (HPP)
Cold pasteurization that kills pathogens without cooking.
Kibble
Dry, shelf-stable dog food produced by extrusion or baking.
Rendering
The cooking and drying process that converts animal byproducts into meal ingredients.
Health
Dilated Cardiomyopathy (DCM)
A serious heart condition where the heart enlarges and weakens.
Elimination Diet
An 8-12 week diagnostic protocol to identify food allergens.
Exocrine Pancreatic Insufficiency (EPI)
A condition where the pancreas does not produce enough digestive enzymes.
Food Allergy
An immune-mediated reaction to a specific food protein.
Food Intolerance / Sensitivity
A non-immune adverse reaction to a food, often digestive.
Hydrolyzed Protein
Protein broken down to molecules too small for the immune system to recognize.
Inflammatory Bowel Disease (IBD)
Chronic inflammation of the GI tract requiring vet-managed dietary therapy.
Novel Protein
A protein the dog has never been exposed to, used for elimination diet trials.
Pancreatitis
Inflammation of the pancreas, often triggered by high-fat meals.
Prescription Diet (Vet Diet)
Therapeutic dog food sold only through veterinarians for managing diagnosed conditions.
Marketing
By-Product
Animal parts other than muscle meat: organs, frames, feet (not feathers).
Grain-Free
A diet without traditional grains, often replaced with pulses or tubers.
Holistic
An unregulated marketing term with no defined meaning.
Human-Grade
A legal AAFCO term for food meeting human food safety standards end to end.
Limited Ingredient Diet (LID)
A simplified recipe with one named protein and one carbohydrate, used for elimination trials.
Natural (AAFCO Definition)
AAFCO-defined: ingredients derived from plant, animal, or mined sources, minimally processed.
Organic
USDA-certified organic standards apply to pet food the same as human food.
Premium / Super Premium
Marketing tier labels with no regulatory definition.
Buying
Bag Rotation and Storage
Best practices for keeping dog food at peak freshness from purchase to bowl.
Cost Per Day
The daily food cost for a specific dog, the only fair way to compare prices.
Freshness Rotation
Buying smaller bags more frequently to keep the food at peak freshness.
MSRP (Manufacturer's Suggested Retail Price)
The brand's recommended retail price, often higher than what retailers charge.
Price Per Pound
Bag price divided by bag weight, less useful than cost per day.
Storage Life
How long a bag remains nutritionally complete after opening.
Subscribe and Save
A recurring auto-ship discount, typically 5 to 35 percent off retail.
Transition Period
The 7-14 day gradual switch from old food to new to avoid GI upset.
Ingredient
Amino Acid Profile
The pattern of essential amino acids in a protein source.
Antioxidant
A compound that prevents oxidative damage to fats, oils, and tissues.
Glycemic Index
A measure of how quickly a carbohydrate raises blood sugar.
Meat Meal
Cooked, dried, ground meat with the water removed, more concentrated than fresh meat.
Mixed Tocopherols
A natural form of vitamin E used as a safe preservative for fats and oils.
Named Meat
An ingredient line that specifies the animal species (chicken, beef, lamb).
Prebiotic
A non-digestible fiber that feeds beneficial gut bacteria.
Probiotic
Live beneficial bacteria added to support gut health.