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Yes, pet mice can eat egg, cooked plain. Woodgreen lists a small amount of boiled egg among healthy treats for mice, and Four Paws names eggs with mealworms and crickets as animal protein for mice. Mice are omnivores and need some protein. Give a small piece of cooled hard-boiled egg, once or twice a week.
| Safe? | Yes, cooked |
|---|---|
| How much | A small piece; Woodgreen says a small amount |
| How often | Once or twice a week |
| Best served | Hard-boiled, plain, cooled, chopped |
| Watch out for | Raw egg; butter, salt, milk; leftovers left in the cage |
Is egg good for mice?
Yes, as a protein treat. The RSPCA describes mice as opportunistic omnivores that eat plant and animal foods, and Woodgreen says mice need both protein and vegetables. Woodgreen adds that mice, being smaller than rats, need a little more protein. Woodgreen lists a small amount of boiled egg as a healthy treat, and Four Paws includes eggs among animal proteins.
How much egg can a mouse have?
Woodgreen says "small amount". It gives fresh vegetables as a portion about the size of the mouse's ear, and we would use the same size for egg. A mouse's whole daily dry food is only around 5 g (0.2 oz), about a teaspoon, according to Woodgreen, so a tiny piece of egg is a meaningful treat. Once or twice a week is plenty.
Which egg is OK?
| Form | OK? | Notes |
|---|---|---|
| Hard-boiled egg, white and yolk | Yes | Woodgreen's suggestion |
| Plain scrambled egg, no milk or butter | Yes, a little | Cooked in a dry pan |
| Egg with butter, milk, cheese or salt | No | Woodgreen says avoid human foods high in fat and salt |
| Raw egg | No | Every mouse source we checked gives egg cooked |
| Eggshell | Skip | Not on the mouse lists |
How to prepare egg for mice
- Hard-boil it. Boil until the yolk is fully set.
- Cool it completely. Peel and let it cool right down.
- Chop a tiny piece. About ear-sized per mouse.
- Remove leftovers. Clear away uneaten egg within a few hours so it does not go off.
Mash a tiny piece of boiled egg and smear it inside a cardboard tube. Your mice will spend ages licking it out, and it is still just a treat-sized portion.
Who should go easy?
Overweight mice, as egg yolk is rich. If a mouse has an upset stomach, hold off treats until droppings are normal again.
Other protein treats
Woodgreen suggests fresh mealworms, one or two at a time, and pulses as other protein options. For fresh food, try broccoli or kale. Cheese is a different case. See our mouse food list, the pet mouse diet guide and the pet mouse care hub.
Questions owners ask
Can mice eat raw eggs?
No. Woodgreen lists boiled egg, and every source we checked gives egg cooked. Hard-boil it and cool it first.
Can mice eat scrambled eggs?
A little plain scrambled egg, cooked without butter, milk or salt, is fine. Woodgreen says avoid human foods high in fat and salt.
Can mice eat egg yolk?
Yes, as part of a small piece of hard-boiled egg. Yolk is rich, so keep the portion tiny.
How often can mice eat eggs?
Once or twice a week as a treat. Woodgreen lists a small amount of boiled egg among treats to give in moderation.
