Can Guinea Pigs Eat Oranges: Fact and Information

by The Pets Pampering Team
can guinea pigs eat oranges

Guinea Pigs are herbivores and eat anything in the way of vegetables, fruits, grasses and even hay. But can Guinea pigs eat oranges? Being true herbivores (vegetarians), they need the right kind of diet to stay healthy. Just like the design of our bodies that eats and digests a certain diet, Guinea pigs have their own set of dietary needs.

The answer to “can Guinea pigs eat oranges?” is: Yes, as long as you feed them in moderation, Guinea pigs can eat oranges. Guinea pigs have a sweet tooth and enjoy sweet fruits in small quantities. However, because of the high sugar content oranges many suggest that it is not suitable for some Guinea Pigs.

Can Guinea Pigs eat oranges? : Here is why Guinea pigs should eat oranges.

Oranges are high in Vitamin C, which is an essential vitamin for Guinea pigs. Vitamin C is very important for the proper functioning of your Guinea pig’s immune system and the formation and repair of body tissues. Since Guinea pigs cannot produce their own Vitamin C, they need a permanent supply from the diet. Therefore, it is important that you feed your Guinea pig enough Vitamin C to keep them healthy.

Guinea pigs also benefit nutritionally from eating orange peelings because they contain a lot of fibers and can help keep their digestive system in good working order.

Why oranges?

  1. Oranges are a delicious treat that you can give to Guinea Pigs Most people will give their Guinea pigs the fruit peels, but you should not do this as the peel has a lot of acid and can upset your Guinea pig’s stomach. The best way to feed your Guinea pig oranges is by taking off the peel and giving them only the fruit.
  2. Above, we see that Oranges have many health benefits for your Guinea pig, such as vitamin C, which is essential in their diet. This vitamin helps with the prevention of scurvy, an illness that can occur in Guinea pigs when they do not consume enough vitamin C (this is rare nowadays since most pet stores have vitamin C fortified food). 
  3. Oranges also contain fiber, which aids digestion and helps prevent hairballs and indigestion
  4. Oranges are also full of antioxidants, which help fight off infections and boost your Guinea pig’s immune system.

Orange wood as an enrichment activity

Guinea pigs love to chew, and some of their favorite things to chew on include wood. You can get them cedar wood but it is expensive and pine wood can be toxic. A very popular activity for Guinea pigs is to give them a chunk of orange wood to chew on. These woods are safe for Guinea pigs to eat and most of the time they will thoroughly enjoy it. Asking your local pet supply store for orange wood chews is an easy fix. 

Oranges and calcium

In asking can Guinea pigs eat oranges here is one of the reasons why they can; calcium, one of the most important nutrients. Good calcium intake helps maintain strong bones and teeth, and it also has a role in nerve transmission and muscle contraction. Oranges do contain calcium, and too much calcium can cause bladder stones in Guinea pigs. 

As mentioned above, the amount of calcium Guinea pigs get from eating oranges is very small and unlikely to cause any problems. However, if your Guinea pig eats a lot of oranges or takes other foods also high in calcium, then this could cause issues. Oranges contain some calcium, but Guinea pigs do not easily absorb it as calcium from dark leafy greens and other vegetables. Most vegetables contain more calcium than oranges, so feeding your Guinea pig oranges does not provide as much calcium as feeding them vegetables.

Make sure you remove all seeds from the orange before giving it to your pet. You should also remove all skin and pith since these can contain pesticides. 

What kinds of oranges can Guinea pigs eat?

To answer the can Guinea pigs eat oranges question we’ll have you know that Guinea pigs can eat any kind of orange, but they love sweet oranges the best, as they have the most sugar. You can feed all types of oranges to your Guinea pig: navel oranges, blood oranges, mandarin oranges and Valencia oranges are some popular examples. Just remember not to feed them too much at once – no more than two small slices per day!

Guinea pigs’ diet

Before asking the can Guinea pigs eat oranges question, be aware of its diet. Guinea pigs are herbivores and graze on grass throughout the day. Know that they need fresh food and water as part of their diet.

Hay must be available at all times, as Guinea pigs require hay for grinding down their teeth and keeping their digestive system healthy. You can use timothy or oat hay, with some alfalfa hay in moderation, but not too much because alfalfa is high in calcium and protein.

Guinea pig’s diet should also include plenty of leafy greens, like parsley, cilantro, rocket, collard greens, kale and celery. Feed them a variety of different veggies each day to help prevent dietary boredom. The best way to feed these foods is by putting them into a bowl attached to the side of their cage so that they won’t trample or soil from the bedding or droppings.

Guinea pigs also enjoy fruits as a treat but you’ll have to limit how much you give them because the high sugar content can lead to health problems if eaten in large quantities. A small piece of apple or orange once a day is usually sufficient for an adult Guinea pig, with less for younger piggies.

Some fruits and vegetables are not safe for Guinea pigs. These include:

Broccoli: This vegetable can cause gas and bloating, which can cause potentially fatal bloat. Avoid broccoli and broccoli sprouts. Broccoli contains a substance called isothiocyanate that is toxic to Guinea pigs.

Citrus: The acid in lemons, oranges, grapefruits and limes can cause diarrhea. If you’re worried about your Guinea pig getting enough vitamin C, opt for a supplement instead of citrus.

Iceberg lettuce: This popular salad green is almost all water. It has no nutritional value, so feed it to your Guinea pig only as an occasional treat.

Onions and garlic: Do not feed Onions for they are toxic to Guinea pigs. Garlic is a member of the same family as onions and has similar properties, so you should not feed it to your Guinea pig.

Apples – Apple seeds contain cyanide, which is poisonous to Guinea pigs. Remove the seeds before giving them apples.

Cherries – Cherry trees produce cyanide in their leaves, stems, and pits. It’s best to avoid feeding your Guinea pig cherries or any part of the cherry tree.

Avocado – Avocados contain persin, which can be deadly for Guinea pigs. Don’t give your Guinea pig any part of the avocado plant, including leaves, fruit, bark, or pit.

Other fruits that Guinea pigs can eat

They can also eat other types of citrus fruits like lemons, limes, grapefruits and tangerines which are all safe for them too! Just make sure that you’re not giving your Guinea pig too much of one thing because then he’ll start having problems with his digestive system.

To cater to the thought; can Guinea pigs eat oranges, we would advise that if you want to give your Guinea pig some citrus fruits, give him half an orange or a quarter of a lemon (if he’s bigger) so he doesn’t get sick from eating so much sugar at once. However, it’s still best to avoid them because they will alter the pH of their digestive system. For example, giving your Guinea pig an orange may cause him to develop bladder stones or a urinary tract infection (UTI).


Can Guinea pigs eat oranges? We have the answer in the article. Always remember to first identify what kind of orange tree that bears the oranges and then consult the internet to see whether or not its fruit is safe to consume. It is possible that some types are inedible for Guinea pigs yet, the fruit itself should be considered harmless and thus eaten with moderation.


What is the limit of how much Orange I Can give to my Guinea Pig?

The orange is a fruit rich in vitamin C, providing 40.5mg of vitamin C per 100 grams. It also contains other vitamins and nutrients such as vitamin A, B1, B2, B3 and B6, potassium and magnesium.

But how much orange can you give your Guinea pig?

In general, Guinea pigs can eat about 1-2 tablespoons of orange per day. Avoid dried orange peel due to the high levels of sugars it contains.

If you are giving your Guinea pig dried fruits or vegetables with added sugar or salt, make sure you reduce their daily intake of fresh fruits and vegetables.

Are there side effects to a Guinea pig that eats oranges ?

It is important to note that Guinea pigs should not eat the peel or rind of an orange as they are difficult to digest and can be harmful to the Guinea pig’s health since Guinea pigs cannot produce the enzymes needed to digest such a tough material. 

If the Guinea pig ingests a large amount of orange peel, it can lead to digestive upset or even death.

The extra vitamin C in oranges can be too much for their delicate tummies in some cases.

For this reason, give your Guinea pig small amounts of orange as a treat only. You should also ensure your Guinea pig has plenty of hay and fresh water to help them digest the orange safely.

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