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Can Rats Eat Pineapple? [Is This Fruit Even Safe To Feed?]

Considering feeding pineapple to your rat? Not sure if it is the right food to feed and if it is even safe to do so? You needn’t worry. I’ve got you covered. Here is what you need to know

So, can rats eat pineapple? Rats can eat pineapple, although should do so in small amounts and only on occasion. Pineapple is acidic and high in sugar which both can cause issues if consumed in excess.

In reality, there are better fruits out there to feed your rat.

Pineapple is not the easiest foods to offer.

It comes with caveats.

And it is important that they are followed.

Otherwise your rat is at risk of ill health.

And no rat or their owner wants that!

So, let us now take a closer look at feeding pineapple properly and appropriately, so it serves them in the best way possible!

Is Pineapple Healthy For Rats?

Pineapple is a healthy fruit to offer your rat, assuming that you are only feeding a small amount are a couple of times per week. It’s also essential to only offer fresh pineapple. Dried pineapple is a much more concentrated source of sugar, and thus should be avoided.

So, let us now take a closer look at what nutrition some pineapple can provide.

Consider that this is for a typical and recommended serving size for a rat:

Nutritional Content of Pineapple

Water25 g
Energy15 Calories
Protein0.16 g
Carbohydrates4 g
Of which are sugars 3 g
Fiber0.42 g
Fat0.24 g
Calcium3.9 mg
Phosphorous 2.4 mg
Magnesium3.6 mg
Potassium32.8 mg
Folate5.4 µg
Choline1.6 µg
Vitamin K16.4 µg
Vitamin C14 mg
Per 30g Raw Pineapple (2 Chunks) . Source: USDA

As the research from the U.S. Department of Agriculture found, pineapple does provide quite a broad range of nutrients.

It is undoubtedly high in Vitamin C, although there is some debate within the scientific community as to whether this specific nutrient even needs to be included in the diet.

But beyond the vitamins are a range of other benefits. This particular fruit contains disease-fighting antioxidants (that combat oxidative stress), has a range of enzymes that can support healthy digestion, can boost immunity, and suppress inflammation.

It is emphatically good for humans. And it can be for a rat too, if eaten in appropriate amounts.

And that’s the key here, the serving size.

You need to be mindful of the high sugar content.

Just consider the serving size here.

2 chunks is not a lot.

And that’s 4 grams of sugar!

Chances are, your rat will be eating other fruits and vegetables too, which each contribute to their total sugar intake.

And while sugar does not need to be necessarily kept very low in the diet, it must be managed and controlled somewhat.

Now, if you consider that the average pineapple is 650-900 grams in weight (75-90 grams of sugar), you can soon see how easy it is to overdo this fruit!

And this is for a fresh variety of pineapple.

Dried pineapple will have even more sugar, as its a highly concentrated form of the fruit (where water has been removed to allow for more flesh).

Besides, some dried pineapple brands even add more sugar.

Not ideal.

And we haven’t even covered the acidity. This is partly why it is such a good digestive aid.

Now some acidity can have a positive effect. But again, too much can cause issues.

Too much again being the words to focus on here.

In excess, pineapple could cause digestive upset to your rat.

Could, again being another important word.

The sugar and acidity should not necessarily put you off feeding this fruit altogether.

But it does mean you should be very mindful of the amount you serve.

A lot of owners do offer pineapple to their rats without ill effect and report no harm. So there is no reason why you cannot do the same.

Do Rats Like Pineapple?

Most rats will enjoy eating pineapple, especially when it is served fresh. Canned or dried pineapple is usually not greeted with as much enthusiasm.

And then there are reports from some owners that their male rats particularly enjoy this fruit, and their females do not.

All anecdotal but interesting nonetheless.

One thing to consider here is that rats do take a bit of time to come around to a new food.

Rats, due to their wild instincts of being cautious of new (potentially poisoned foods), are usually quite hesitant to any new food at first.

Unable to vomit, consuming the wrong food can be fatal in these rodents.

So they intuitively know to eat a small amount of a new food and wait a few hours before they resume.

If they suffer no adverse affects, they tend to go back for more.

They may even reject a food 3-4 times before they realize its a safe, tasty treat.

So, if you have yet to offer pineapple be aware that this may occur. It may take a bit of time, trial and error.

But the truth can be said for most foods in the diet.

And the case can be made that rats have different preferences too.

The other foods in the diet, what they have already eaten, their age; are all factors of how a rat takes to a food.

How Much Pineapple Should You Feed A Rat?

Pineapple should be fed to a rat in limited quantities, 1-2 small chunks at a time. It is also advised to only offer your rat pineapple 1-2x per week; especially in the beginning.

It’s also important to only offer the flesh of a pineapple; that is the yellow water-rich and sweet part.

The skin, along with the leaves should be removed ahead of serving. There is no benefit to offering these very fibrous parts. They can even result in digestive issues or impaction if they are consumed.

You also need to consider the amount of pineapple you offer in relation to other fruits.

Will pineapple be the only fruit you offer your rat, or do you want to offer others aswell?

Just consider the sugar content of each fruit and ensure that this is not climbing too high.

It is generally best to offer just vegetables on any day that pineapple is served. Say a stick of carrot, for example.

Along with, their balanced and high-quality commercial feed (i.e. their pellets).

Besides, this should always form the majority of the diet – around 80% of it infact.

It is purposefully balanced to provide all the nutrients a rat needs, without any complications other foods can potentially cause, after all.

How To Feed Pineapple To Rats

Feeding pineapple to rats will require a little bit of preparation upfront, but its relatively straightforward. So long as you know how to properly cut one up (or buy it already done!)

Remember, you should only offer the yellow flesh of the fruit (the soft part inside).

So that means that you will need to remove all of the leaves, and cut away all of the fibrous shell (if you buy one whole).

There are plenty of YouTube videos that explain how you can do this.

Although, its important that you end up with small cubes.

And it is also important that you cut up a pineapple fresh, or at the very least, only provide fresh pineapple to your rat that has been in a sealed container.

You do not ever want to offer your rat spoiled pineapple.

If it does not look wholesome to you, its not wholesome for your rat!

Now, with a small cube of pineapple (or two), its time to offer it to your rat.

There are generally two different options here:

  1. Hand-feed a cube,
  2. Cut up the cube into even smaller pieces, and place it around the cage.

Feeding by hand is a nice thing to do, but not all rats may have the confidence to do so. This is especially true in younger rats or those who are yet to build their trust in you.

And option 2 is great for another reason.

You can provide some entertainment for your rat!

Its a great way to starve off boredom and promote their natural foraging behaviors.

Besides, rats search for food. Its what they do. Its how they survive.

At least in the wild.

Well, you can do the same, even if you keep them in a cage.

Just place small pieces of a pineapple chunk in different places.

Make it a challenge to find.

Your rat will have to use their nose and sense of smell to find the pineapple.

There are even a range of toys that you can purchase for your rat, that let you hide pineapple and other fruits.

It keeps a rat busy and occupied; trying to work out how they can get a treat.

This is the one to buy from Amazon – just check out those reviews!


So there you have it.

Pineapple is a fruit that you can offer to your rat.

So long as it is fresh, so long as it is only the flesh, and so long as you are offering a small amount at a time.

In doing so your rat can benefit from the vast array of nutrients, antioxidants and enzymes which are known to support good health.

Just do not be too concerned if your rat does not decide to eat it.

At least to begin with.

Give it time, see how they respond, and never force it.

We all have our preferences.

And our rats are no different.

Wondering what else a rat can eat? Check my other feeding guides below: