Can Guinea Pigs Eat Cucumbers?

guinea pig eat cucumber

Crunchy, high water content, and low calorie, cucumbers are a delicious and healthy snack that guinea pigs love to snack on. 

Unlike other vegetables, like spinach and celery, cucumbers don’t have any minerals or nutrients that will hurt a guinea pig or cause any intestinal or urinary problems. 

Can Guinea Pigs Eat Cucumbers?

Yes, guinea pigs can eat cucumber. In fact, cucumbers are one of the best and healthiest snacks to give your guinea pig. They are low in sugar, so you can give them a full one-cup serving. Cucumbers also have a high-water content, so you know that your furry little rodent friend will hydrate while they eat their food, and they’re very cheap to buy.

Cucumbers are especially delicious during the summertime when it is sweltering. To make cucumbers even better and more enticing for your guinea pig, make sure to store it in the refrigerator and serve them to it right away, when they are still cold.

Watch Out for Pesticides

Cucumbers, along with strawberries, celery, blueberries, and spinach, are some of the most pesticide dense vegetables you can buy in the market. It is essential that you know this because you will have to wash all fruits and vegetables that you feed to your guinea pig. The vegetables must be cleaned because guinea pigs are susceptible to pesticides and pesticide poisoning. If there are too many pesticides on their food for too long, they can develop irritable bowels, diarrhea, nausea, vomiting, and confusion. Even if the vegetables that you bought already say “pre-washed,” you have to wash them again.

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hairless guinea pig cucumber

What to Avoid When Serving Cucumbers to Your Guinea Pig?

Nothing. Unlike many other vegetables that are only good in small servings, cucumbers are perfect for guinea pigs, and eating them won’t cause a nutritional imbalance or oxalate buildup.

If anything, you should add leafy greens that are nutritionally dense to your guinea pig’s serving of cucumbers, because cucumbers aren’t known for their high nutritional content. But other than that, cucumbers are quite healthy.

A Proper Diet of a Guinea Pig

There are three essential parts of a guinea pig’s diet. The first part is hay, which makes up more than 80% of their diet. The second part is fruits and vegetables, which provide many of the vitamins and minerals they need to be healthy and strong. The last part is the pellets, which provide the fat in their diet.

1. Hay

Hay is a significant part of the guinea pig’s diet. They evolved to eat a lot of fibrous grasses. They need so much hay that their owners just keep an entire brick of it in their guinea pig’s cage so they can eat all day long. They should not be served hay at a specific time, or they won’t get enough hay in their diet. When you are searching for hay to buy them, make sure to purchase a high-quality brand that uses a small number of pesticides when growing the hay.

2. Fruits and Vegetables 

When you serve your guinea pig a serving of vegetables, the most common serving size you will find is one cup. But this only pertains to low-sugar, low starch vegetables like cucumbers, zucchini, and leafy greens. If you are serving a vegetable like yams or corn, these vegetables are high sugar and should only be served at two to three tablespoons. You must feed your guinea pig one serving of vegetables per day

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For fruit, you must treat them like the sugary vegetable and only feed them a serving size of 2 to3 tablespoons. However, fruit should not be part of their daily diet. Guinea pigs do not need a lot of sugar in their diet, so think of fruit as a once in a while snack. Do not feed them fruits more than twice a week.

baby guinea pig eats cucumber

3. Pellets

Finally, we have pellets. Pellets are essential to a guinea pig’s diet because they provide most of the fats and also the essential fatty acids. You should serve your guinea pig one to two tablespoons of pellets every day. You should also never feed your guinea pigs hamster pellets. They are different animals with different nutritional requirements.

Nutrition of Cucumbers

Cucumbers are definitely not the most nutrient-packed vegetables available for your guinea pigs to eat. They have a high water content, around 95%. They don’t have much vitamin C. Vitamin C is an essential nutrient for guinea pigs because they cannot create it within their bodies. Since they are unable to get it from their bodies, guinea pigs need to have it in their diets.

However, cucumbers do have some calcium. They may not have much, but a guinea pig that is an adult does not mean much in the first place. They only need calcium to help maintain their bone structure in teeth. If you want to boost the number of nutrients guinea pigs receive when they eat cucumber, you will have to mix in a more nutrient-dense vegetable like spinach or kale.

One thing that cucumbers have going for them is their fiber. Even though a cucumber is mostly water, they have plenty of fiber and fiber soluble matter within the vegetable. Guinea pigs were born to eat a lot of fiber, so a cucumber’s fiber plus its high water content makes it easy not only to eat but also easy to digest and excrete.

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Other Vegetables and Fruits That Guinea Pigs Can Eat

You can find many vegetables and fruits that guinea pigs can eat in the grocery aisle of your local supermarket. Just be sure to wash the pesticides off before you serve it to them.

  • Spinach
  • Romaine lettuce
  • Strawberries
  • Kale
  • Blueberries
  • Celery
  • Watercress
  • Melon
  • Pear
  • Peach
  • Kohlrabi
  • Red, green, yellow bell peppers
  • Arugula
  • Tomatoes
  • Parsley
  • Beetroot


  • Cucumber is a very easy and popular vegetable to feed your guinea pig.
  • There are no harmful side effects or mineral buildup from overeating cucumber
  •  the snack is great on hot summer days when it’s in the fridge
  • A cucumber is 95% water
  • Always be sure to wash off the pesticides from the cucumbers before serving them to guinea pigs
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