What kind of ingredient this is
egg sits in the animal protein family. Named animal proteins are the foundation of the Protein Quality Index. The named-species multiplier rewards single-species clarity (chicken meal beats poultry meal, by-product clarity is graded separately).
Where egg sits in the Sniff System
The methodology treats egg as a quality input. It contributes positively to the relevant Sniff rubric components and does not trigger any controversial-ingredient penalty.
Every methodology choice is published, citeable, and subject to revision when new evidence arrives. Read the full Sniff methodology for the formulas behind every score component, or file a correction if you think this position is wrong.
Where you'll see egg in the catalog
Sniff has scored 41 dog foods that list egg as a primary protein source. Of those, 0 earned an A, 17 earned a B, 21 earned a C, 3 earned a D, and 0 earned an F.
- Dr. Tim'sDr. Tim's Athletic Blend Glacier Formula Dry Dog Food, 40-lb bag74
- Hill's Prescription DietHill's Prescription Diet i/d Digestive Care with Turkey Minced Wet Puppy Food, 13-oz can, case of 1272
- DiamondDiamond Performance All Life Stages 30/20 for Highly Active, Hard Working & Athletic Dogs Dry Food, 40-lb bag71
- Diamond NaturalsDiamond Naturals Beef Meal & Rice Formula Adult Dry Dog Food, 40-lb bag69
- Diamond NaturalsDiamond Naturals Lamb Meal & Rice Formula Adult Dry Dog Food, 40-lb bag69
- Taste of the WildTASTE OF THE WILD Sierra Mountain Grain-Free Dry Dog Food, 28-lb bag69
Similar ingredients in the catalog
Sniff's semantic graph clusters these ingredients near egg by formulation profile. Each links to its own ingredient page.