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What Vegetables Can Chickens Eat? Follow the 90/10 Rule
If you’ve ever watched a chicken chase a carrot across your yard, you know how comical it can be.
I remember my first flock of backyard chickens—a handful of fluffy hens with personalities as quirky as their strut. I was new to raising chickens and, like most newbies, I wanted to feed them as healthily as possible.
That’s when I learned the importance of balancing their diet, including which vegetables are good for them. If you’re like me, curious, and wanting the best for your feathery friends, then this guide is for you.
So, what vegetables can chickens eat? And how do you make sure they’re getting a balanced diet?
It’s all about following the 90/10 rule—a simple way to ensure your chickens are well-fed and happy without any unnecessary complications.
In this post, we’ll dive into the benefits of vegetables for chickens, explore the veggies they love, and share some easy tips for keeping your flock healthy. Trust me, feeding chickens can be fun and rewarding—especially when you know you’re doing it right!
1. The Benefits of Feeding Vegetables to Chickens
Feeding vegetables to chickens isn’t just about giving them a tasty snack. Vegetables are packed with vitamins and nutrients that help keep your flock healthy and thriving.
For example, leafy greens like kale and spinach provide essential vitamins like A, C, and K. These vitamins boost their immune system, making your chickens more resistant to common illnesses. Plus, they help with egg production, resulting in stronger shells and more nutritious eggs.
Vegetables also offer natural fiber, which helps with digestion. When chickens eat fibrous veggies like carrots and cucumbers, it keeps their digestive system running smoothly. A healthy gut means happier, more active chickens.
And let’s not forget the entertainment factor. Tossing a handful of peas into the chicken run can provide hours of fun for your hens. Watching them peck and scratch at veggies keeps them mentally stimulated and helps reduce boredom, especially during the colder months when they’re cooped up more often.
In short, adding vegetables to your chickens’ diet is a simple way to boost their overall health, keep them entertained, and ensure they’re producing quality eggs. Just remember, balance is key—hence the 90/10 rule!
2. Understanding the 90/10 Rule for Chicken Diets
The 90/10 rule is a simple but important guideline for feeding chickens. It helps ensure that your flock gets all the essential nutrients they need without overdoing it on treats. Let’s break down what this rule means and how you can use it to keep your chickens healthy.
2.1 What is the 90/10 Rule?
The 90/10 rule means that 90% of your chickens’ diet should come from their regular feed, while the other 10% can be treated, like vegetables. The regular feed is specially formulated to give chickens all the nutrients they need to stay healthy, grow strong, and lay eggs. Treats, on the other hand, are fun and tasty extras that should be given in moderation.
Think of it like this: vegetables and other treats are like desserts for your chickens. They’re delicious and fun, but they shouldn’t be the main part of their diet.
2.2 Why Follow the 90/10 Rule?
Following the 90/10 rule is important because it keeps your chickens healthy. Their regular feed is packed with all the nutrients they need, like protein, vitamins, and minerals. If chickens eat too many treats, they might not get enough of these essential nutrients.
Too many treats can also lead to unhealthy weight gain, which can cause problems like difficulty laying eggs or even health issues like fatty liver disease. By sticking to the 90/10 rule, you’re making sure your flock gets the nutrition they need to thrive while still enjoying a bit of variety.
2.3 How to Apply the 90/10 Rule with Vegetables
Applying the 90/10 rule is easier than it sounds. A good way to think about it is to use portion sizes. For example, if you’re giving your chickens a scoop of regular feed, the treats you give should be about 1-10 of that amount.
When it comes to vegetables, choose ones that are safe and healthy for chickens, like leafy greens, broccoli, or carrots. Offer small amounts, and make sure the majority of their diet still comes from their regular feed. By doing this, you’ll be keeping your chickens healthy and happy without overdoing it on the treats.
Remember, the goal is balance. Vegetables are great, but they should complement the main feed—not replace it!
3. What Vegetables Can Chickens Eat?
Not all vegetables are created equal when it comes to chickens. Some veggies are safe and provide great nutritional value, while others should be avoided. Let’s take a look at some of the best vegetables to feed your flock.
3.1 Leafy Greens
Leafy greens like kale, spinach, and lettuce are excellent choices for your chickens. They’re packed with vitamins A, C, and K, and they’re easy for chickens to eat. Leafy greens are also great for keeping your chickens entertained as they love to peck at them.
3.2 Broccoli
Broccoli is another nutritious veggie for chickens. It’s rich in vitamins and antioxidants that support their immune system. You can chop it up or hang a whole floret for them to peck at—it’s like a little broccoli piñata!
3.3 Carrots
Carrots are full of beta-carotene, which is great for your chickens’ eyesight and overall health. You can offer them raw, grated, or even cooked. Chickens enjoy pecking at carrot pieces, and it keeps them busy for a while.
Read More: Can Chickens Eat Carrots? How to Safely Add This Veggie to Their Diet
3.4 Peas
Peas are a favorite among many chickens. They’re small, easy to eat, and provide a good source of protein. You can toss a handful of peas into the run and watch your chickens chase after them—it’s like a game for them!
3.5 Bell Peppers
Bell peppers are safe for chickens and are full of vitamins A and C. Just make sure to remove the seeds and stem before offering them. Chickens love the bright colors and the crunchy texture.
3.6 Pumpkin
Pumpkin is a fantastic treat for chickens. It’s rich in vitamins and fiber, and it also acts as a natural dewormer. You can cut a pumpkin in half and let your chickens peck at the flesh and seeds—both are safe for them to eat.
3.7 Cucumbers
Cucumbers are hydrating and refreshing, especially during hot summer days. They’re low in calories but still provide a nice crunch that chickens love. Slice them up or give them whole, and let your chickens have fun with them.
3.8 Zucchini
Zucchini is another great vegetable to feed your chickens. It’s easy to digest and has a high water content, which helps keep your flock hydrated. Just like cucumbers, zucchinis are best served sliced or whole for chickens to peck at.
These vegetables are all safe and nutritious options for your chickens. Just remember to keep portions moderate and always follow the 90/10 rule to maintain a healthy and balanced diet for your flock.
4. Vegetables to Avoid for Chickens
While many vegetables are great for chickens, some can be harmful and should be avoided. Here are a few veggies you should never feed your flock.
4.1 Green Tomatoes and Raw Potatoes
Green tomatoes and raw potatoes contain a toxin called solanine, which can be harmful to chickens. Solanine can cause digestive upset and, in large amounts, may lead to more serious health problems. It’s best to avoid feeding these to your chickens entirely.
Read more: Can Chickens Eat Potatoes and How to Avoid Common Mistakes
4.2 Avocado
Avocado, particularly the skin and pit, contains a substance called persin, which is toxic to chickens. Even small amounts can cause heart problems, difficulty breathing, and even death. It’s safest to keep avocados off the menu for your flock.
4.3 Rhubarb
Rhubarb leaves are toxic to chickens because they contain oxalic acid, which can lead to kidney failure and other health issues. The stalks can also be risky, especially if they are not fully ripe. It’s best to avoid feeding rhubarb to your chickens altogether.
4.4 Uncooked Beans
Uncooked beans, especially kidney beans, contain a toxin called lectin, which is extremely dangerous for chickens. Just a few raw beans can be fatal. If you want to feed beans to your chickens, make sure they are thoroughly cooked, as cooking destroys the harmful lectins.
4.5 Onions
Onions, while a common kitchen staple, contain thiosulfate, which is toxic to chickens. Even small amounts can lead to hemolytic anemia, a condition that damages red blood cells and causes weakness. Prolonged exposure to onions can be fatal for chickens, so it’s best to avoid feeding them onions in any form.

Read More: Can Chickens Eat Onions? The Truth About This Common Kitchen Veggie
Avoiding these vegetables will help keep your chickens safe and healthy. When in doubt, it’s always best to stick to vegetables that are known to be safe and nutritious for your flock.
5. Preparing Vegetables for Chickens
To make sure your chickens can safely enjoy their veggies, it’s important to prepare them properly. Here are some tips for preparing vegetables for your flock:
- Wash Thoroughly: Always wash vegetables to remove any dirt, pesticides, or harmful substances before giving them to your chickens.
- Chop into Small Pieces: Cut vegetables into small, bite-sized pieces to make them easier for chickens to eat and prevent choking.
- Cook Certain Vegetables: Some vegetables, like beans, should be cooked before feeding to chickens to remove any toxins.
- Remove Seeds and Stems: Remove seeds and stems from vegetables like bell peppers, as these parts can be harmful to chickens.
- Serve Fresh: Offer fresh vegetables rather than wilted or spoiled ones. Fresh veggies are more nutritious and safer for your chickens.
- Hang or Scatter for Enrichment: Hang vegetables like broccoli or cabbage in the run for chickens to peck at, or scatter small pieces on the ground to encourage foraging behavior.
- Avoid Seasoning: Do not add salt, butter, or any other seasoning to vegetables. Keep them plain and natural for your chickens’ health.
By preparing vegetables properly, you can ensure that your chickens enjoy their treats safely while reaping all the nutritional benefits.
6. Tips for a Balanced Chicken Diet
To keep your chickens healthy and thriving, it’s important to provide a well-balanced diet. Here are some key tips for ensuring your flock gets everything they need:
1. Provide Quality Feed: Make sure the majority of your chickens’ diet comes from a high-quality, well-balanced chicken feed. This will provide the essential nutrients they need for growth, health, and egg production.
2. Follow the 90/10 Rule: Keep treats, like vegetables and fruits, to no more than 10% of their diet. This ensures they are getting all the essential nutrients from their regular feed.
3. Ensure Freshwater is Available: Chickens need constant access to clean, fresh water. Proper hydration is crucial for digestion, egg production, and overall health.
4. Offer Grit for Digestion: Chickens need grit to help grind down their food in their gizzard. Make sure they have access to grit, especially if they are eating whole grains or larger food items.
5. Provide Calcium Sources: For laying hens, calcium is crucial for strong eggshells. Supplement their diet with crushed oyster shells or eggshells to make sure they get enough calcium.
6. Give Protein-Rich Treats in Moderation: Protein is important, especially during molting when chickens need extra protein for feather regrowth. Treats like mealworms can be given in moderation to boost their protein intake.
7. Avoid Overfeeding Treats: While treats can be fun and enriching, too many can lead to obesity and other health issues. Stick to healthy portions and don’t let treats replace their primary feed.
8. Rotate Treats for Variety: Offer a variety of safe vegetables and fruits to provide a range of nutrients and keep your chickens interested. This also helps prevent any nutrient deficiencies.
9. Keep the Coop Clean: A clean coop reduces the risk of disease and keeps your chickens healthy. Clean the feeders and waterers regularly, and make sure bedding is dry and clean.
10. Monitor Their Health: Regularly observe your chickens for signs of illness or poor nutrition. A healthy chicken will be active, have bright eyes, and produce consistent eggs with strong shells.
By following these tips, you can ensure that your chickens are getting a balanced diet that meets their nutritional needs while keeping them happy and healthy.
7. Frequently Asked Questions
What food makes chickens grow faster?
To help chickens grow faster, focus on providing a balanced, protein-rich diet. High-quality commercial chicken feed is specifically formulated with the nutrients they need for growth. Adding protein-rich treats, such as mealworms or cooked eggs, in moderation can also support faster growth. Always make sure they have access to fresh water.
What foods increase egg production in chickens?
To increase egg production, make sure your hens are getting plenty of calcium and protein. A balanced layer feed is essential for egg production. You can also offer calcium supplements, like crushed oyster shells, and protein-rich treats like mealworms. Vegetables like spinach and kale are also helpful for boosting nutrient intake, which can improve egg quality.
What vegetables can chickens eat daily?
Chickens can eat vegetables like leafy greens (kale, spinach, lettuce), cucumbers, and zucchini daily in moderation. These vegetables are packed with nutrients and are safe to provide regularly as long as they don’t exceed 10% of the overall diet.
Are organic vegetables better for chickens?
Organic vegetables can be better for chickens because they are grown without synthetic pesticides or chemicals. This reduces the risk of harmful substances entering your chickens’ diet. However, both organic and non-organic vegetables should be washed thoroughly before feeding them to your flock.
What is a chicken’s favorite food?
Chickens love a variety of foods, but some of their favorites include mealworms, corn, peas, and leafy greens. Mealworms are particularly popular due to their high protein content, and they’re great for treating your chickens in moderation.
How can I increase my chicken’s lifespan?
To increase your chicken’s lifespan, provide a balanced diet with quality feed, clean water, and fresh vegetables in moderation. Keep their living environment clean, provide adequate space and ventilation, and protect them from predators. Regular health checks and reducing stressors in their environment will also help ensure a long and healthy life for your chickens.
8. Conclusion
In conclusion, providing your chickens with a balanced diet that includes safe vegetables can greatly enhance their overall health, egg quality, and even their daily enjoyment. By following the 90/10 rule—ensuring that 90% of their diet comes from nutritious feed and only 10% from treats like vegetables—you can maintain the essential nutrients they need while giving them the variety they love.
Leafy greens, carrots, and pumpkins are just a few examples of chicken-friendly veggies that are packed with vitamins and provide mental stimulation. Remember, moderation is key, and avoiding toxic vegetables will keep your flock safe. A well-fed chicken is a happy chicken, and following these guidelines will help your flock thrive for years to come.
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