Can Guinea Pigs Eat Eggplant? One Part Is Toxic

Can Guinea Pigs Eat Eggplant

Eggplant is a vegetable that grows primarily in the summer. If you enjoy eating this vegetable, you’ll probably grow some in your backyard. If you own guinea pigs, you may wonder if they can eat eggplants as well.

So, can guinea pigs eat eggplant? Yes, guinea pigs can eat eggplant, but only the flesh, skin, and seeds. Avoid the leaves of the eggplant as it contains solanine which is toxic to the guinea pigs. Besides that, eggplant is full of nutrition that guinea pigs need to stay healthy and strong. Feed eggplants to them in moderation to avoid any health issues.

Is It Safe For Guinea Pigs To Eat Eggplant?

Guinea Pig Eating

Eggplant is safe for guinea pigs to eat, except for the leaves of the plant. The leaves contain a toxin known as solanine.

This toxin is found in all nightshade vegetables such as bell peppers, potatoes, and tomatillos.

Solanine is a toxin that causes health issues for guinea pigs. Some of the symptoms include nausea, diarrhea, upset stomach, and inflammation and pain in the joints.

This toxin is found in small quantities and won’t harm the guinea pigs. However, if the cavies eat a lot of it, it can harm them, even death can occur.

Health Benefits of Eggplant for Guinea Pigs

Eggplants are one of the vegetables that don’t have many nutrients. However, it does have some nutrition that the guinea pigs can benefit from.

One cup (82 grams) of raw eggplant contains the following nutrients:

  • Calories: 20
  • Carbs: 5 grams
  • Fiber: 3 grams
  • Protein: 1 gram
  • Manganese: 10% of the RDI
  • Folate: 5% of the RDI
  • Potassium: 5% of the RDI
  • Vitamin K: 4% of the RDI
  • Vitamin C: 3% of the RDI

The above data is from NutritionData

Below are some of the health benefits that guinea pigs will get from eating eggplants:

Brain Health

Eggplant contains a nutrient called nasunin. This is a phytonutrient that’s necessary for the brain to function correctly and help prevent brain damage. This vegetable is a good food to feed them to help promote brain health.

Promote Digestive Health

Eggplant is a good source of fiber, which is excellent for a healthy digestive system.

Fiber helps with regular bowel movement and move food along the digestive tract smoothly.

Also, a good amount of fiber in their diet will help prevent constipation. For guinea pigs kept in captivity, this is common.

Can Guinea Pigs Eat Eggplant Leaves?

Guinea pigs should not eat eggplant leaves. This vegetable is in the nightshade family which has concentrations of solanine. This toxin is naturally occurring and is highly poisonous for guinea pigs.

The amount of solanine will vary from eggplant to eggplant. The more riped it is, the more toxin will be in the leaves.

Therefore, to prevent poisoning your guinea pigs, you should never feed the leaves of the eggplant, whether it’s riped or not.

Can Guinea Pigs Eat Eggplant Skin and Seeds?

The seeds and skin of the eggplant are safe for your guinea pigs to eat. Both are soft and edible and pose no choking hazard to them.

Also, it doesn’t contain the toxin solanine like in the leaves.

How To Feed Eggplant To Guinea Pigs

There are several ways to feed eggplant to your guinea pigs. One of the ways is to cut off a slice of the vegetable. Make sure to remove the leaves as it is toxic for them. Also, make sure there is no green part in the eggplant. If so, the eggplant isn’t ripe enough for the guinea pigs to eat yet.

Another way is to cut the eggplants into small pieces and make a salad. Besides eggplants, you can add spinach, watercress, and lettuce to the mix. Add just a small amount of each vegetable to a bowl and mix it thoroughly. Then place the bowl in their enclosure for your guinea to eat. This is an excellent way to boost their nutrition, especially vitamin C.

How Many Eggplant To Feed Guinea Pigs?

Eggplants don’t really have any nutrients that are beneficial for guinea pigs. For that reason, it’s best to feed them in small quantities.

For baby guinea pigs, you should not feed them any eggplants. At this age, the young guinea pigs should be fed on a diet of alfalfa hay and their mother’s milk.

For adult guinea pigs, you can give them a slice of the eggplant. This should be enough for them to eat as a snack.

As with any new food that you’re introducing to your guinea pig, it’s a good idea to test to see if they have any allergic reactions.

Start by giving them a small piece of eggplant first. Wait for 24hrs to see if they have any allergic reaction to the vegetable. If they do, the symptoms will include diarrhea and an upset stomach. Avoid feeding them anymore eggplant if you notice this.

On the other hand, if the guinea pig enjoys eating it and has no allergic reaction, you can continue to feed them.

How Often To Feed Eggplant To Guinea Pigs?

You should only feed eggplant to the guinea pigs in moderation. This is due to the vegetable containing not much nutrition, which doesn’t benefit the guinea pig’s health. A small slice of eggplants, once or twice per week is enough for them.

Like most other vegetables, eggplants should only be given to guinea pigs 10% of their overall diet. The rest should come from hay and leafy greens such as romaine lettuce, kale, and spinach. These should make up the bulk of their diet.

Other Vegetables That Guinea Pigs Can Eat

Romaine Lettuce

Romaine lettuce is the best variety of lettuce to feed your guinea pigs. It’s low in calories and sugar, yet high in vitamin C, vitamin K, and folate. This makes them a great snack for guinea pigs. However, due to their high amount of calcium, feed them only in moderation.


Tomatoes make a good treat for guinea pigs. It’s a good source of fiber, vitamin C, vitamin K, and folate. All of which the guinea pigs can benefit from. However, only ripened tomato fruit can be fed to the. Guinea pigs cannot eat unripened tomatoes, tomato stem, or tomato leaves. These parts of the plant contain a compound called “Tomatine”. While it’s only found in small quantities in the tomato plant, to avoid any health issues, it’s best to feed them only ripened tomatoes.


This vegetable is high in vitamin C and many other nutrients. Zucchini makes an excellent food to feed them. The leaves and skin of the vegetable are safe for them to eat as well. You can feed zucchini to your guinea pigs 3 or 4 times per week. Give them just a small slice of the vegetable at each feeding.


Eggplant is fine to give your guinea pigs, but only in moderation. This vegetable doesn’t have much nutritional value so it’s not a food that you should feed them too much of.

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