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Can Guinea Pigs Eat Leeks? [Is It Safe for Them?]

Leeks are root vegetables that seem like a perfect addition to a guinea pig’s diet. After all, I enjoy them in my cooking, making me wonder whether leeks are safe for my cavies.

So can guinea pigs eat leeks? According to experts, Guinea shouldn’t eat leeks because they contain poisonous sulfides (1). They’re toxic to cavies in large amounts and cause diarrhea in smaller portions.

But there’s much more to discuss concerning leeks and cavies.

So please read on, and learn more about why it’s a bad idea and some alternative options.

Key Takeaways

  • A high content of poisonous sulfides makes leeks unsafe for guinea pigs. In large amounts, eating leeks can even be toxic or fatal.
  • Owners can’t remove these poisonous sulfides by cooking or serving them in a specific way. Leeks are simply not an acceptable choice for guinea pigs.
  • The health benefits offer by leeks, such as high levels of vitamins C and A, are easy to find. Several other fresh vegetables provide them, like broccoli, kale, or zucchini.

Is It Safe For Guinea Pigs To Eat Leeks?

I was disappointed that leeks weren’t on the list of guinea pig safe foods. It would’ve been a helpful addition to my little guy’s diet.

leeks bundle but can guinea pigs eat leeks

But the high amounts of poisonous sulfides are not worth it (2). However, I saw some potential relief with knowing the amount of sulfides changes from leek to leek.

However, it’s almost impossible and time-consuming to measure each leek’s sulfides. I doubt any owner would find this activity worth it when there are many alternative veggies.

I’ll talk more about the alternative vegetable later in this article.

But for now, I suggest avoiding leeks in a cavy’s diet. You just have too many variables and consequences with this root veggie.

Can Baby Guinea Pigs Eat Leeks?

Baby cavies should never have any leeks. It doesn’t matter whether it’s cooked or raw; leeks are not an option.

In fact, the chances of baby cavies getting poisoned are even higher. Their small size makes them much more susceptible to all the problems provided by sulfides.

Instead, it’s best to stick with the regular diet of their grass hay plus their mother’s milk. It’s vital to realize that grass hay “is crucial to the wellbeing of your guinea pig” (4).

Nothing else is needed to give them all their required nutrition besides fresh water.

Can Guinea Pigs Eat Cooked Leeks?

No, cooking leeks isn’t a solution to make them safe, either. Sadly, it doesn’t remove all the poison inside this root vegetable.

cooked leeks for guinea pigs but can guinea pigs eat leeks

As a result, leeks remain dangerous to cavies even when cooked. So if anyone tells you it’s okay to give your guinea pig leeks when they’re cooked, don’t listen!

I’ve even found a pet store owner who recommends using cooked leeks. Thankfully, I did the research before using them, or I could’ve done severe damage.

Can Guinea Pigs Eat Dried Leeks?

Dried leeks are also dangerous for cavies to eat. Unfortunately, there’s nothing about them that solves the sulfide issue.

Given this info, dried leeks end up on the not suitable for cavies list. It’s just not worth the risks associated with leeks.

How Many Leeks To Feed Guinea Pigs?

Leeks are only tolerable in small portions. So the only way it’s safe for guinea pigs is with a tiny piece.

leeks in small amount for guinea pigs but can guinea pigs eat leeks

But honestly, it’s difficult to measure how much is safe or harmful. So I’d stay away from leeks in all capacities.

Overall, it’s best to be safe than sorry with your cavy. It’s how I think when introducing new stuff into guinea pig diets.

Health Benefits of Leeks for Guinea Pigs

Leeks provide some health benefits that could positively impact guinea pigs. The most apparent one would be its high levels of vitamin C.

After all, pet owners must find a way to offer a source of vitamin C since cavies can’t produce themselves (3). It’s what drew me first to using leeks, but sadly it wasn’t in the cards.

Leeks would also help out with their vitamin A content. It’d help a cavy’s vision, immune system, lungs, kidneys, and heart. Plus, it does wonders for the reproduction system.

So why am I discussing all these benefits if cavies can’t eat leeks? Well, it’s helpful to see what traits this root veggie could provide so that you can find them in suitable options.

In fact, our next section will show you a few choices.

Other Vegetables That Guinea Pigs Can Eat

Many other vegetables are capable of providing cavies with excellent health benefits. But honestly, listing them all out would be a very tiresome activity.

So I kept my list to only my favorite three vegetables. Each of these veggies has made my life as a guinea pig owner much easier.

1. Kale

Kale is a daily veggie for my favorite little furball. After all, he adores the taste, which is astounding with his pickiness.

But more importantly, kale is one of the most nutrient-dense foods on the planet. So my cavy is getting a taste food high in nutrients, especially vitamin C.

Talk about a win-win scenario for the owner and guinea pig. Plus, it’s always a good idea to add another source of vitamin C into their diets.

2. Broccoli

Guinea pigs have broccoli as it is a viable option for cavies with its high content of fiber, protein, calcium, and vitamin K; each of these inclusions is crucial to keep a cavy healthy and happy.

But there’s one caveat with broccoli to acknowledge. It does have a high calcium content, which impacts how frequently cavies should eat it.

So broccoli is more of a weekly treat than a dietary staple. It’ll then provide all your cavy with all its benefits without any health issues.

Don’t forget to check out our extensive guide on “Can guinea pigs eat broccoli rabe?”

3. Zucchini

My last chosen vegetable is zucchini, which is low in calories yet rich in nutrients. It’s a bit of the best-case scenario when considering any green vegetables.

Its nutrients include Vitamin C, iron, calcium, zinc, and several other B vitamins. But again, the calcium does make it a treat more than an everyday vegetable.

I’d recommend once or twice a week for the best results. This approach has worked wonders with my cavy as he adores his weekly zucchini.

If you’re a more visual person, here’s a cute video of some guinea pigs eating zucchini. It’s an accurate representation of what happens with mine every week.

FAQs

What veggies can guinea pigs eat?

broccoli

Guinea pigs are capable of eating a large assortment of vegetables. But they should only consume veggies with high vitamin C daily, such as broccoli or green pepper. Other choices are seen more as treats.

What vegetables are toxic to guinea pigs?

Some toxic vegetables for guinea pigs include any in the onion family/garlic family (leeks), cabbage, and leguminous plants (potatoes). 

Conclusion

So can guinea pigs eat leeks? No, this root vegetable contains poisonous sulfides, which make them toxic to cavies in large amounts. 

Stick with other vegetables like broccoli, kale, or zucchini to spice up a guinea pig’s diet. It’s a much safer and healthy way of providing them with nutrients and dietary fiber.

guinea pig trying to eat leeks but can guinea pigs eat leeks

So, did you ever tried feeding leek to your guinea pig? Don’t forget to share your experience with us!

Resources:

  • 1. Kovalkovičová N, Šutiaková I, Pistl J, Šutiak V. Some food toxic for pets. Interdisciplinary Toxicology [Internet]. 2009;2. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2984110/
  • 2. Sulfide – an overview | ScienceDirect Topics [Internet]. www.sciencedirect.com. [cited 2022 Dec 14]. Available from: https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/sulfide#:~:text=Sulfide%20is%20an%20inorganic%20anion
  • 3. National Research Council (US) Subcommittee on Laboratory Animal Nutrition. Nutrient Requirements of the Guinea Pig [Internet]. Nih.gov. National Academies Press (US); 2017. Available from: https://www.ncbi.nlm.nih.gov/books/NBK231932/
  • 4. a care guide for your Guinea Pig (Cavia porcellus) [Internet]. Available from: http://www.seattle.gov/documents/Departments/AnimalShelter/care-guides/care-sheet-guinea-pig.pdf
Ben Roberts
Ben Roberts

My name is Ben Roberts, and I absolutely love animals. So, naturally, I love writing about them too! As far as my animals, I have a Pit-bull, a Beagle-lab mix, a Chihuahua, and one old cat. Each one of them provides me with a new adventure every day. And the best part is they’re all best friends. Well, except the cat when he gets a little annoyed.
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