Can chickens eat kale every day?

It's better as an occasional treat a few times a week rather than a daily habit. Their main diet should be a complete layer feed, with kale and other greens making up a small supplementary part of what they eat.

Is kale better raw or cooked for chickens?

Raw is fine and simpler — there's no need to cook kale before giving it to chickens. Just make sure it's fresh and give it a rinse if it's come from a garden that's had any treatment.

Can baby chicks eat kale?

It's best to wait until chicks are established on chick crumb and a bit older before offering fresh greens like kale, and to start with a very small, finely chopped amount.

Will kale affect my hens' egg laying?

In the small amounts typical of scraps and forage, no. The concern with brassicas is only at very high, regular quantities that could unbalance a hen's diet, which is not what a few handfuls of kale a week amounts to.

What other greens can I feed alongside kale?

Spinach, lettuce and cabbage are all commonly offered to backyard flocks in the same moderate way as kale. Variety is good for hens, as long as treats and scraps stay a small part of a diet built around a proper layer feed.

Can ducks eat kale as well as chickens?

Yes, the same moderate approach applies to ducks — kale chopped and offered as an occasional scrap alongside their main feed is fine, and ducks are generally just as sensible as chickens about not overeating a single treat.

Can chickens eat kale?

Yes, chickens can eat kale, and many keepers offer it as one of several leafy greens tossed in as scraps or forage. It should sit alongside a complete layer feed as their main diet, not replace it, and like other brassicas it is best given in moderate amounts rather than as a daily staple.

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Why kale is a reasonable treat

Leafy greens like kale are a natural part of what free-ranging hens would peck at, and offering them as scraps gives your flock variety and something to occupy themselves with, which matters for their welfare as much as their diet. A layer feed formulated for hens should still make up the bulk of what they eat, because it is balanced for the calcium and protein a laying bird needs.

Kale and other brassicas — cabbage, broccoli, sprouts — contain compounds called goitrogens, which in very large quantities can interfere with how the thyroid works. For a backyard flock getting kale as an occasional handful of scraps rather than a daily bucketful, this is not something to worry about.

How to offer it

Chop or shred kale roughly and scatter it rather than leaving a whole head in the run, which encourages natural foraging behaviour and stops one bird monopolising it. Fresh is better than wilted, and there's no need to cook it first.

A handful for a small flock a few times a week is a sensible amount. If you keep chickens alongside ducks, the same guidance applies — kale in moderation is fine for both.

What to watch for

Chickens are generally sensible about not overeating any one treat if they have access to their normal feed, water and grit, so the main thing to watch is that treats overall — kale included — don't crowd out their layer pellets, since that can unbalance their calcium and protein intake and affect egg quality over time.

Any sudden change in a hen's appetite, energy, or egg-laying that coincides with a new food is worth noting and mentioning to a vet experienced with poultry, though kale itself is not a common cause of problems in backyard flocks.

Where kale fits alongside other scraps

Kale sits well alongside other kitchen and garden scraps like lettuce, cucumber peelings, and cooked vegetable trimmings, all offered in the same moderate, varied way. Rotating what you offer rather than giving the same treat every day is a simple way to keep the diet interesting for your flock without any one food becoming a large part of what they eat.

Grit should always be available alongside any fresh treats, since hens need it to grind down what they eat in their gizzard, and it becomes more important the more fresh, fibrous food like kale is part of the diet.

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Common questions

Can chickens eat kale every day?: It's better as an occasional treat a few times a week rather than a daily habit. Their main diet should be a complete layer feed, with kale and other greens making up a small supplementary part of what they eat.
Is kale better raw or cooked for chickens?: Raw is fine and simpler — there's no need to cook kale before giving it to chickens. Just make sure it's fresh and give it a rinse if it's come from a garden that's had any treatment.
Can baby chicks eat kale?: It's best to wait until chicks are established on chick crumb and a bit older before offering fresh greens like kale, and to start with a very small, finely chopped amount.
Will kale affect my hens' egg laying?: In the small amounts typical of scraps and forage, no. The concern with brassicas is only at very high, regular quantities that could unbalance a hen's diet, which is not what a few handfuls of kale a week amounts to.
What other greens can I feed alongside kale?: Spinach, lettuce and cabbage are all commonly offered to backyard flocks in the same moderate way as kale. Variety is good for hens, as long as treats and scraps stay a small part of a diet built around a proper layer feed.
Can ducks eat kale as well as chickens?: Yes, the same moderate approach applies to ducks — kale chopped and offered as an occasional scrap alongside their main feed is fine, and ducks are generally just as sensible as chickens about not overeating a single treat.

Sources

Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.

Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.