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Can Guinea Pigs Eat Hay?

Can Guinea Pigs Eat Hay?

Guinea pigs can eat hay as a source of fiber to help keep their digestive system healthy. It is important to only give your guinea pig hay that is labeled as safe for guinea pigs, as other types of hay may contain harmful toxins.

Hay should make up the majority of your guinea pig’s diet and should be supplemented with fresh vegetables and fruits. The safest type of hay to feed your guinea pig is grass hay since alfalfa contains protein which can be harmful to your pet.

The fact that hay is high in fiber is often the reason why people decide to feed it to their guinea pigs.

However, there are some cases when it would be healthier not to feed them hay. For example, if they have any digestive problems or are pregnant they may need a more easily digestible food source.

Read this article to find out if hay is good for guinea pigs, and why feeding it to them might be beneficial.

What Is Hay?

Hay is a dried plant material that has high nutritional value because it still contains many nutrients. It’s often fed to animals like rabbits, horses, or even guinea pigs as a dietary fiber supplement.

Guinea pigs can eat hay, but only if it’s certain types and given in the right amounts. Hay is mostly made up of fiber, which means guinea pig pellets or vegetables should make up most of their diet.

If your guinea pig gets too much hay without having enough other fiber sources, you’ll end up with a constipated guinea pig that’s very uncomfortable.

Guinea pigs should only eat hay in small amounts, and it would be best to combine hay with other dietary fiber sources like vegetables or pellets.

What Types Of Hay Can Guinea Pigs Eat?

It’s important to know what types of hay are safe for your guinea pig. Small herbaceous plants like timothy hay are the safest to feed your guinea pig. Timothy hay is soft and green with a sweet smell, so it’s always best to choose this type over others.

Wheat, oat, barley, or ryegrass hays should be avoided because they can be extremely difficult for your guinea pig to digest. These types may also contain high amounts of dust, which can damage your guinea pig’s delicate respiratory system.

What About Alfalfa Hay?

You may have heard that alfalfa hay is okay for guinea pigs, but that’s not true.

Alfalfa is part of the legume family, which means it contains proteins that can be harmful if eaten in large amounts.

Alfalfa isn’t safe for guinea pigs and should be avoided at all costs. If you think your guinea pig just needs more protein to grow big and strong, there are much better sources of protein available than alfalfa hay.

It’s best to stick with small amounts of timothy hay, which is the only type of hay that should be fed daily.

And remember, if you’re not sure if your guinea pig can eat hay, just leave it out! It’s always better to be safe than sorry.

Do Guinea Pigs Like To Eat Hay?

Guinea pigs do like to eat hay. Hay is a good source of fiber, which is important for their digestive health. It also helps to keep their teeth healthy by wearing them down.

Can My Guinea Pig Eat Hay All Day, Every Day?

No. Guinea pigs, like most animals, do not have a sense of when they are full. This means that they might overheat and this could lead to serious digestive problems.

Guinea pigs should be fed hay throughout the day in small quantities. However, if you notice that your pet turns its nose up at it or eats little hay, then there may be something wrong.

You should speak to a vet if this happens.

Can Guinea Pigs Eat Hays With Seeds?

Yes, there are different types of hays available for guinea pigs and they do include some that have seeds. However, it is best to speak with a vet before you introduce your pet to any new food or change its diet.

The Health Benefits Of Hay For Guinea Pigs

Hay is an important part of a guinea pig’s diet. It helps them to keep their teeth healthy and prevents them from getting sick. When a guinea pig’s teeth grow too long, it can cause pain and discomfort for the animal. It also contains essential nutrients that keep them healthy.

Out of all types of hay, Timothy hay is best for your pet because it mimics their natural environment the most. Alfalfa hay is good as well, but not as much as Timothy hay.

When your guinea pig is eating hay, make sure to use a paper towel because they tend to spit up the hay on their cage. They also like to play with it, so using a paper towel will keep you from having to clean up after them several times per day. Most of all, it keeps your pet safe and healthy.

The Risks Of Feeding Hay To Guinea Pigs

Hay is a popular food for guinea pigs, as it is a good source of fiber. However, there are some risks associated with feeding hay to guinea pigs.

One risk is that hay can contain mold spores, which can cause respiratory problems in guinea pigs. Hay should be stored in a dry place and should not be allowed to get wet, to reduce the risk of mold.

Another risk is that hay can contain ergot, a fungus that can cause seizures in guinea pigs. Ergot is most likely to be found in hay that has been harvested from ryegrass.

Hay should be fed in moderation, and it is important to choose high-quality hay that has been tested for contaminants.

How Much Hay Can A Guinea Pig Have?

A guinea pig can have as much hay as it wants. Hay is a good source of fiber, and it helps keep the guinea pig’s digestive system healthy.

A guinea pig should have lots of hay for a healthy diet. However, it is best to give your guinea pig hay in moderation if you do not want it to become overweight.

What If Your Guinea Pig Doesn’t Like Hay

If your guinea pig doesn’t seem to like hay, there are a few things you can do to try and get them to eat it.

One thing you can do is try different types of hay until you find one that your guinea pig likes. You can also try sprinkling a little bit of fruit or vegetable on top of the hay to make it more appealing.

Guinea pigs like Timothy hay the best, but that doesn’t mean they won’t eat other kinds! Oat hay is another popular choice. Lastly, you could just stick to pellets as your main source of food and only supplement with hay now and then.

Some people feed their guinea pigs hay throughout the day (and/or night), while others let them eat it in one big pile at once.

A lot of people free-feed their guinea pigs hay, but if you’ve started with pellets as your primary source of food and only feed hay once or twice a week now, your guinea pig may not want to eat it at all.


Hay is good food for guinea pigs. They need it to keep their teeth healthy and prevent them from getting sick, among other things. In order to feed your pet hay in the best way possible, you should consider some of these tips:

  • Choose high-quality hay that has been tested for contaminants;
  • Make sure not to give too much at once (and also make sure they don’t get overweight);
  • And lastly, but most importantly – consider each type of hay carefully before deciding which one is best for your pet.

Hay can be given throughout the day or night, depending on preference. Guinea pigs like Timothy hay the best out of all types available, though they will consume others if necessary!

Learn More: What Can Guinea Pigs Eat? Guinea Pig Diet Guide