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Can Hamsters Eat Blueberries? Vet-Approved Nutritional Value & FAQ

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By Nicole Cosgrove

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Vet approved

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Reviewed & Fact-Checked By

Dr. Karyn Kanowski

BVSc MRCVS (Veterinarian)

The information is current and up-to-date in accordance with the latest veterinarian research.

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Blueberries are a healthy and versatile fruit. They can be enjoyed in smoothies, baked into pancakes, or enjoyed on their own as a healthy snack. These bite-sized delicious fruits may also seem like a great snack to share with your pet, but can hamsters eat blueberries?

Hamsters can eat blueberries, but only in moderation. They will most likely love them, and they can also be beneficial to your hamster’s health. In this article, we’ll discuss feeding your hamster blueberries and answer all your questions.

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Can Hamsters Eat Blueberries?

Yes! Hamsters can eat blueberries in moderation. Hamsters are omnivores, which means that their natural diet would consist of a mixture of some animal protein and plant matter, which would include things like seeds, leaves, flowers and the occasional fruit, but they would not generally encounter things like the fruits we see in the supermarket. Blueberries can be a great tiny treat for hamsters because of their natural sweetness and nutritional value.

Feeding blueberries to your hamster can give them a tasty treat that contains an array of vitamins and minerals, but they are also very high in sugar, so they shouldn’t form part of their daily diet, but rather as an occasional treat every 2 weeks or so.

blueberries
Photo By: Congerdesign, Pixabay

The Nutritional Value of Blueberries

Compared with many other fruits, the humble blueberry is relatively low in sugar and is also a good source of fiber to support their digestive health. However, at around 10%, the amount of sugar they contain is still too high to be anything but an occasional treat. At a glance, blueberries are made up of:

  • 84% Water
  • 4% Carbohydrates (containing 10% sugars, 2.4% fiber)
  • 75% Protein
  • 35% Fats

Vitamins and minerals make up the remaining 0.05%, so as you can see, blueberries are mostly water, sugar, and fiber, which is why they should only be given in small amounts. Your hamster is sure to enjoy these juicy, delicious fruits, and if given the opportunity, will probably overindulge, and this can lead to a number of problems.

The Trouble With Blueberries for Hamsters

Although they make a great sweet treat, if your hamster eats too many blueberries, they may experience some long and short-term consequences.

Eating a large amount of fruit at once can lead to gastrointestinal problems like bloating, pain, and diarrhea.

Selective focused Cute Exotic Winter White Dwarf Hamster standing
Photo Credit: Victor FlowerFly, Shutterstock

A note on Wet Tail

Hamsters are prone to developing a condition called ‘wet tail’, a potentially fatal form of chronic diarrhea, so it is important to keep your hamster’s digestive tract healthy, and see your vet if your hamster has diarrhea that persists for more than 48 hours.

Indulging in sugary foods like blueberries too often can lead to obesity and nutrient deficiencies. Just like the many humans who prefer dessert over salad, your hamster will eat more of the sweet foods and neglect their healthy hay, leafy greens, and pellets, which provide them with the balance of nutrients they need.

How to Feed Your Hamster Blueberries

There are a few things to consider if you’re giving your hamster blueberries for the first time. Most importantly, blueberries should only be an occasional treat. Before serving them, wash them thoroughly to remove dirt and any traces of pesticides, and cut them into halves to make it easier for your hamster to get to the juicy center.

Offer your hamster one blueberry at first, then you can increase the quantity gradually if your hamster appears to enjoy them and has no adverse reactions. Continuously monitor your hamsters for an upset stomach or diarrhea, which indicates that you’re introducing fresh fruits too quickly. It’s best to talk to your vet when introducing new food items into your pet’s diet.

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Frequently Asked Questions

How Many Blueberries Can I Feed My Hamster?

Hamsters should eat around 26 calories per day (this applies to both small and large hamsters, due to the difference in their metabolism), so their 10% treat allowance is 2.6 calories. A single blueberry contains approximately 0.6 calories, which means your hamster could enjoy up to 4 blueberries in a single day, provided you aren’t feeding them any other treats.

Can Hamsters Eat Blueberry Leaves?

They can, and they contain more antioxidants than the fruit themselves. However the leaves aren’t quite so tasty, so don’t be surprised if your hamster isn’t a fan.

blueberry bush
Photo By: Valentyn Volkov, Shutterstock

Can Hamsters Eat Blueberry Seeds?

Yes, they can eat the seeds. The seeds are very small and don’t pose any risk, so removing them is unnecessary. It may be impossible in any case because of how small they are. Some people even consider blueberries to be seedless.

Can Hamsters Eat Dried Blueberries?

Dried blueberries are really high in sugar, and quite sticky! So it’s not a good idea to feed your hamster dried blueberries. They can be harder to chew than fresh ones, and may get stuck in your hamster’s teeth, or even pose a choking risk.

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Feeding Tips for Your Hamster

While blueberries can be a great occasional treat, hamsters need a high-quality, balanced diet with all the vital vitamins and minerals to stay happy and healthy.

Here are more feeding tips for a healthy diet:
  • To suit their nutritional requirements, hamsters should be fed a commercial diet formulated especially for their needs, along with some mealworms, and a combination of different seeds and leafy green vegetables.
  • Unless your veterinarian explicitly advises you to do so, such as in the case of dental issues, you should avoid giving your hamster wet or powdered food. Wet food can be tricky to remove from the cage and is prone to the formation of bacteria and mold, which can be dangerous for your hamster, and is not good for their dental health.
  • Provide your hamster with fresh water every day.
  • Remove any uneaten food to prevent it from going bad, especially if it contains fresh produce.
  • Always monitor how much food and water your hamster consumes. Talk to your vet immediately if they begin to eat less or if their droppings become moist.
  • Abrupt dietary changes should be avoided since your hamster may become ill.
  • Always consult your vet if you are unsure of what to feed your hamster, if you need to change their food, or if your hamster seems to be unwell.

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Conclusion

Fresh, organic blueberries are okay for your hamster to consume occasionally, but shouldn’t be a part of their daily diet. They can provide your hamster with nutritional benefits when offered in moderation, but if your hamster eats a lot of blueberries regularly, it could lead to weight gain. Next time you top your breakfast with a few blueberries, you might like to offer one to your hamster! However, it is Always speak to your vet if you have any questions or concerns about giving your pet a new food.

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Featured Image Credit: Vladislav Noseek, Shutterstock

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