Egg

1,562 foods contain this ingredient

Allergen Group

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About Egg

Egg is a whole animal-protein ingredient in pet food valued for its amino acid profile, vitamins, and cooking versatility.

Eggs are used in pet foods as a highly digestible, complete animal protein and nutrient source—providing essential amino acids, bioavailable vitamins (A, D, E, B-complex including B12), minerals like selenium and iron, choline and healthy fats—while also improving palatability and texture. They support muscle maintenance, skin/coat and cognitive health in dogs and cats, but raw eggs can carry bacterial risk and contain avidin in whites that may reduce biotin with long-term feeding; some pets may also have egg allergies or require portion control for calorie management.

Related ingredients

Egg Flavor Egg Product Egg White Egg Yolk Eggshell Eggshell Calcium Eggshell Membrane Quail Egg Scrambled Egg Flavor SquareEgg Flavor Whole Egg

Derived from: chicken egg, whole, dried, or powdered
Primary role: high-quality protein and micronutrient source

Why it's used

Egg supplies a well-rounded amino acid profile along with bioavailable vitamins and minerals, and it is often included to boost protein quality and improve the texture or palatability of a finished food. Its versatility across wet, dry, and treat formats makes it a common addition beyond just its nutrient contribution.

Common concerns

Recognized food allergen A peer-reviewed review of cutaneous adverse food reactions in companion animals lists egg among the reported allergen sources in dogs, identified in roughly 4 percent of the food-allergic dogs surveyed, and clinicians typically confirm a suspected egg allergy through an elimination diet trial.
Avidin and biotin in raw egg white Raw egg white contains avidin, which binds biotin and can interfere with its absorption; cooking denatures avidin, and sources describe an actual deficiency as unlikely unless large amounts of raw egg white are fed consistently over an extended period.
Bacterial contamination in raw eggs Raw or undercooked eggs can carry Salmonella or E. coli, which is why cooking is commonly recommended as a way to reduce that risk.

Also relevant

Egg is one of several less common allergen sources reported in dogs, behind beef, dairy, chicken, and wheat, according to the same veterinary literature review.

3 sources cited