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What Do Mice Eat As A Pet? What Can Pet Mice Eat?

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If you have been thinking of getting a pet, then you should give mice a try. Most people wonder what do mice eat as a pet. While small and very active, these omnivorous animals are quite easy to take care of, especially when it comes to food. Your pet mice need to eat a variety of foods to stay healthy and develop well. 

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What Do Mice Eat As A Pet?

For readers that need to know what can pet mice eat then check out these staple foods below:

Store-bought mice food

Store-bought mice food usually comes in the form of pellets. These are hard, rectangular brown blocks that contain vitamins, minerals, proteins, and most of the nutrients that mice need. They may also contain grains, like millet and barley, which provide your pet mice with necessary fiber. The pellets are also designed to keep mice teeth trim. Although pet mice should eat this, store-bought mice food should not be the only thing on their diet.


Just like human beings, mice also need a lot of fresh water in their daily diet. Instead of using a regular bowl, use a rodent water bottle for your pet mice. This way, the water will remain clean since your pet mice will not be able to get any food or waste into it. 

You can get a rodent water bottle at your local pet store, and you should make sure to change the water and clean it at least four times a week so that the bottle doesn’t get slimy.

Fresh vegetables

Pet mice can eat all kinds of vegetables, but they mostly enjoy crunchy ones. This is because mice love to chew a lot, and crunchy vegetables help them to keep their teeth in shape and from growing too long. 

Vegetables also contain a great balance of minerals, vitamins, and carbohydrates, which keep your pet mice healthy. Some of the vegetables you can feed your pet mice include carrots, broccoli, cabbage, peas, and tomatoes.


While some pet mice will prefer one type of fruit above all others, mice generally love to eat fruits. Like vegetables, crunchy fruits, like apples, pears, and melons, are much better choices when it comes to feeding your pet mice

Cooked food

Your pet mice need a lot of proteins and carbohydrates to stay healthy, which are also present in cooked food. In small quantities, this can be a great alternative to store-bought food. Some of the cooked food that your pet mice can eat includes pasta, pieces of stale bread, and hard-boiled eggs.


Having some treats nearby is a great way to train your pet mice and get them to follow your commands. Most mice find seeds delicious and will naturally seek them out in every meal. 

For pet mice to eat everything they should, the trick is to make sure that the treats are no more than ten percent of their daily diet. Treats such as sunflower seeds or cereal should only be a reward for good behavior.

What Not To Feed Mice?

What Not To Feed Mice

Do not stress anymore on what do mice eat as a pet. While pet mice may seem like they can eat everything, some foods may be unhealthy or even fatal to them.

Some of the foods that you should never feed your pet mice include chocolate, acidic fruits, and vegetables, peanuts, cookies, and bacon.


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Never feed your mouse walnut, raw beans, onions, grapes or raisins. Wheat, lettuce and corn are all also bad for mice and can cause them to have an upset stomach and unhealthy digestive system. 

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