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Can Chickens Eat Green Onions

There has been a question regarding your backyard chickens and what they can eat. The food in question is onions, and in particular, can chickens have green onions as part of their diet? Chickens can eat all types of leftover onions in small portions, although you won’t see any healthy chickens dashing toward a bunch of wild onions anywhere soon.

The fact is, this vegetable isn’t very tasty for them, and also, should they eat too many onions, the taste could pass onto their eggs. Any question of, can healthy chickens eat raw onions, or should they be cooked? The answer is yes to can chickens have onions.

However, there is more to it than this, so, in our guide, you can learn a few ideas on feeding a few onions to your chickens. By the end, you’ll know enough to see what green onion, or when you feed chickens onions what it does for them as part of their diet. (Read Can Pigs Eat Tomatoes)

Feed chickens with onions

Can Chickens Eat Onions?

There is a misconception that onions are unsafe and, therefore, to be avoided as part of a diet to keep your birds healthy. Much of this is related to the fact that onions could cause poisoning in other animals like dogs and cats.

However, it is untrue to say that chickens cannot consume onions; in fact, every part of the onion is safe for chickens to eat. Onions contain many vitamins and short-chain fatty acids that can help with chickens’ bone health and more. So, when fed in moderation, they can beat nutritious addition to your chickens’ diet.

Edible Parts Of Onions

With this bit of knowledge, you may ask more, can chickens eat scallions, or can chickens eat red onions? Much of the answer is the same for all.

You’ll find onions with a white, yellow, or red bulb, the primary food source from the onion plant. The stalk, also known as the onion tops, is what grows above ground and is made up of stringy green leaves that help catch the sunlight.

Your chickens can eat the bulb both raw and cooked, but they shouldn’t eat the stalks. The white-green stalk could be chopped on spring onions as this isn’t as tough as regular onion stalks.

The reason here is chickens lack teeth and trying to eat these parts of an onion could lead to them choking. By default, you can find that your chickens may leave the green portions of onions and focus on the onion bulb instead.

In addition, you could find that your chickens may not take to onions as raw onions or even cooked onions without mixing them into other foods.

Some chickens are put off by strong flavors, although chickens love to pick at most things as much for experimentation as feeding themselves. Preparing and combining cooked onion with other foods is advisable if you want your chickens to eat them. (Read Can Goats Eat Cucumbers)

Chickens Eat Onion Peels

Will Chickens Eat Onion Peels?

Chickens eat onion peel as it is edible and does no harm to chickens, although chicken owners see their chickens usually leave these alone. Onion peels are ignored as the peels possess few calories, minerals, and vitamins; thus, they have little nutritional value.

If you feed them onion scraps, you can leave the skins on, yet you’ll find your chickens may ignore them. Even if the peels are presented with freshly sliced onions, the peels may be ignored.

Therefore, it is essential to remove the onion peels before attempting to feed onions to your chickens to prevent unnecessary cleaning.

Benefits Of Feeding Chickens Onions

According to scientific studies, small quantities of onions given to chickens offer several positive health benefits. Some potential benefits that chickens may experience from eating onions are listed below.

Meat Quality

According to a study, feeding chickens onions and garlic enhances the quality of their meat. Old and young chickens gain weight when eating onion crops, as the consumption of feed and water increases when they eat 50 to 100mg of onions.

However, after being consumed, the chicken’s eggs take on an onion-like flavor and scent, which may come from the sulfur-containing compounds.


Antioxidants included in onions help to strengthen bones and lower blood sugar levels. The fiber, lipids, carbohydrates, and water in red onions help maintain the chicken’s gut so it can digest food more efficiently. (Read Can Pigs Eat Watermelon)

Vitamins And Minerals

Besides the above, you can find all these nutrients present in red and green onions: potassium, zinc, phosphorus, folate, iron, and vitamins C and K. Also, onions are full of fibers like quercetin, anthocyanins, sulfur compounds, and thiosulfates, which can all contribute to the health of your backyard chickens.

Here’s more on the nutritional value of onions (100g)

  • Energy 40 kcal
  • Protein 1.1g
  • Water 89.1g
  • Fat 0.1g
  • Carbs 9.34g
  • Fiber 1.7g
  • Sugars 4.24g
  • Vitamin C 4.74mg
  • Vitamin K 0.4ug
  • Folate 19ug
  • Iron 0.21mg
  • Manganese 0.129mg
  • Magnesium 10mg
  • Potassium 146 mg
  • Phosphorus 29mg
  • Sodium 4mg
  • Zinc 0.17mg

When chickens eat onions, Vitamin C, folate, vitamin B6, and potassium are the most important ones. Other plant compounds, such as anthocyanins, quercetin, and sulfur compounds.

The following are just a few advantages of eating onions:

  • Lowered blood sugar levels
  • enhanced bone health and strength
  • improved cardiac function and health
  • High in chemicals that combat cancer
  • Possess antimicrobial properties
  • Reduce inflammation

Mostly, onions are fiber, water, and simple carbohydrates (simple sugars).

When chickens eat onions, you introduce healthy bacteria into your chicken’s digestive system(s); the fiber specifically aids digestion while promoting colon health and lowering inflammatory areas.

Gas and bloating are a serious threat to chickens. Therefore, the modest and occasional distribution of onions can aid in lowering the likelihood that this will happen. (Learn How To Keep Raccoons Away From Chickens)

How To Feed Onions To Chickens?

Onions are not a favorite reward for chickens because of their mild spiciness. The best thing to feed your chickens is essential finely sliced onions because they won’t eat onion peels or stalks.

Here are several ways to feed chickens onions-

1. Roasted Onions

Give the birds roasted onions that have been grilled or baked until they are soft. Don’t serve the soft roasted onions right off the grill or oven because chickens will readily peck on them, so let them cool first.

2. Scrap Mash

To begin, bring the onions to a boil. Once cooled, mash them with any other kitchen garbage you have lying around. The leftover mash or plain onion mash would be great for the chickens.

3. Onion Trail Mix

Chickens will eat cooked onions when mixed with other foods. Making onion trail mix is among the best ways to feed an onion; onions will soften when you boil them for a while.

Remember that chickens have delicate digestive systems and should not be fed oil, butter, or sugars, so no onion rings here. Don’t bother serving them hot; wait till they’ve cooled down and mixed with regular chicken feed or other delights.

Feeding Chicken with Onion Trail Mix

Can Feeding Onions To Chickens Be Harmful?

Green, white, and red onions can harm chickens if they overeat, so you need to watch how much onion you feed them. A teaspoon or less per chicken is recommended because, in large quantities, onions are toxic.

Heinz anemia in dogs is one reason to reduce your flock’s onion consumption. In hemolytic anemia, red blood cells collapse, and chickens could show listlessness, leg weakness, and a sick or disheveled look.

Onions should only be fed to chickens infrequently and in small quantities. Reaching the benefits without running the risk of harmful side effects once per week should be sufficient.

Like chives and garlic, onions can cause quantities if given in excess or too frequently. Although it’s unclear exactly how many onions would cause chickens to develop hemolytic anemia, it’s preferable to err on the side of caution.

As a result, ensure when your chickens are consuming onions, they do so in small quantities at a time. Another thing to consider is the possibility that giving your chickens onions can give the eggs they lay a taste they don’t like.

Therefore, it may be preferable to avoid onions altogether if your chickens are producing eggs for you to consume and you are worried about the undesirable taste and quality of eggs your hens lay.


While onions may not be unsafe for cats and dogs to eat, they are perfectly acceptable for chickens. As a result, you ought to add onions to your flock’s list of healthy snacks.

You’ll find several health benefits to onions that are not obtained in chicken feed, although remember that when you feed your chickens, too much of a good thing, such as onions, can lead to adverse effects.

Can Chickens Eat Green Onions