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Egg yolk for cats: healthy or dangerous?

Feb 11, 2025

1. Can cats eat egg yolk?

Yes, in moderation, egg yolk is healthy for cats. It contains important vitamins, healthy fats and high-quality proteins.

A bowl with several brown eggs on a wooden table. - RumbleBo
Image from Canva

Important nutrients in egg yolk:

  • Proteins – Support muscle building
  • Vitamin A – Good for eyes, skin and coat
  • Vitamin D – Promotes strong bones and the immune system
  • Omega-3 fatty acids – have anti-inflammatory effects and support joints
  • Biotin (Vitamin B7) – Important for healthy skin and claws

But be careful:


Egg white contains avidin , an enzyme that breaks down biotin. Too much egg white can lead to a biotin deficiency in the long term. Therefore, only the egg yolk should be fed.

2. Raw or cooked egg yolk – which is better?

Many cat owners wonder if raw egg yolk is safe.

Raw egg yolk: risk or not?

  • Salmonella risk: Raw eggs can contain bacteria.
  • Digestive problems: Some cats are sensitive.

If you still want to feed raw egg yolk:

  • Only use fresh organic eggs
  • Clean with warm water beforehand
  • Feed immediately after opening
A bowl with raw egg yolk, next to it a whole and a broken eggshell. - RumbleBox
Image from Canva

Cooked egg yolk: The safe choice

  • No salmonella risk
  • More digestible for cats

3. How often and how much egg yolk can a cat eat?

Egg yolk should only be fed occasionally. Overfeeding can lead to obesity or digestive problems.

Recommended amount per week:

  • Small cat (up to 3 kg): ¼ egg yolk
  • Medium-sized cat (3-5 kg): ½ egg yolk
  • Large cat (over 5 kg): 1 egg yolk

Feed a maximum of 1-2 times per week.

A cat eats from a bowl of boiled egg, broccoli and tuna. - RumbleBox
Image from Canva

4. Benefits of egg yolk for cats

  • Skin & coat: Biotin and Omega-3 ensure a shiny coat.
  • Immune system: Vitamins A and D strengthen the immune system.
  • Joints & muscles: Proteins and fatty acids promote mobility and muscle building.
  • Digestion: Natural fats in the egg yolk support healthy intestinal flora.
A Bengal cat wearing a harness sits on a gravel hill in the sun. - RumbleBox
Image from Canva

When is egg yolk particularly useful?

  • Older cats with joint problems
  • Cats with dull fur or skin problems
  • Active or underweight cats

5. Risks of egg yolk for cats

Not every egg yolk is healthy. Be aware of these risks:

  • Salmonella risk: Particularly possible with raw eggs.
  • Biotin deficiency: If your cat accidentally eats egg white.
  • Too much fat: Can lead to obesity or digestive problems.
  • Cholesterol: Usually not a problem for healthy cats, but it can be risky for overweight cats or seniors with heart problems.

6. Healthy alternatives to egg yolks

If your cat doesn't like egg yolk or you're looking for an alternative, try these nutrient-rich options:

  • Eggshell powder: Good source of calcium for strong bones
  • Chicken broth: Supports fluid balance and provides important minerals ( make your own chicken broth for cats )
  • Salmon or tuna: Rich in omega-3 fatty acids for coat and joints
  • Liver: Contains many vitamins, but only feed in small quantities
  • Creamy cat snacks with egg: A practical alternative if you want to enjoy the benefits of egg without having to prepare it yourself
Two white cats licking a treat from a tube. - RumbleBox
Image from RumbleBox


7. Egg yolk as a natural energy source for cats

Egg yolk is a valuable source of energy. It contains healthy fats and high-quality proteins. These nutrients support important body functions. Egg yolk can be particularly helpful in certain phases of life.

When is egg yolk particularly useful?

  • For active cats – Provides quickly available energy.
  • For older cats – Supports muscles and joints.
  • After an illness – promotes regeneration.
  • For pregnant & lactating cats – Provides mother and kittens with important nutrients
A cat eats a raw piece of meat on the floor. - RumbleBox
Image from Canva

You should note this:

  • Don’t overfeed – Too much fat can cause digestive problems.
  • Only give as a supplement – ​​a balanced diet remains important.
  • Better alternative: Creamy cat snacks with egg – perfectly portioned, well tolerated and safe.

Creamy cat snacks with egg are an easy way to provide your cat with valuable nutrients. They taste delicious and are easy to feed. Ideal for a healthy reward between meals.

Can egg yolk cause allergies in cats?

Egg yolk is well tolerated by most cats. It contains valuable nutrients and is easy to digest. However, in rare cases, intolerance or allergy can occur. Cats with sensitive digestion or known food allergies are sometimes particularly sensitive to eggs.

Possible signs of allergy or intolerance:

  • Skin problems – itching, redness or hair loss
  • Digestive problems – diarrhea, vomiting or flatulence
  • Changed behavior – excessive licking, scratching or restlessness

What to do if your cat doesn't tolerate egg yolk?

  • Stop feeding immediately – even small amounts can cause discomfort.
  • Observe your cat closely – mild symptoms often disappear on their own.
  • In case of severe reactions, consult a veterinarian – an allergy test can provide clarity.
Various foods such as eggs, nuts and seafood with the lettering
Image from Canva

If your cat is sensitive to egg yolk, you should remove it from their diet permanently. There are many other healthy alternatives that you can discuss with your veterinarian.

7. Conclusion: Is egg yolk healthy for cats?

Egg yolk can be a good supplement for cats. It provides important nutrients for their skin, coat and immune system. The right amount and preparation are crucial.

The most important things at a glance:

  • Only feed the yolk, not the egg white.
  • Cooked egg yolks are safer than raw ones.
  • Give in small amounts 1-2 times a week.

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