Can chickens eat other nuts besides cashews?

Most plain, unsalted nuts can be offered occasionally in the same small, infrequent way as cashews, though nuts generally should stay a minor extra rather than a regular part of the diet. Avoid anything salted, flavoured, or showing any sign of mould, whatever the nut.

Can chickens eat cashew shells?

This is not something to worry about — shop-bought cashews are always sold shelled, and the raw shell itself contains an irritant oil that is removed during processing well before the nuts reach a shop shelf.

Is it bad for chickens to eat fatty foods generally?

Fatty extras in large or frequent amounts can lead to overweight birds and affect laying over time, so treats like nuts, cheese or fatty scraps should stay occasional rather than a daily habit. A hen's main diet should always be a proper layers' feed.

What happens if a chicken eats a mouldy nut?

Mould on nuts can carry aflatoxins, which are toxic to poultry and can cause serious illness. If you know or suspect your flock has eaten mouldy nuts and any bird seems unwell — lethargic, off their food, or not themselves — contact your vet promptly.

How many treats should chickens have in a day?

Treats of any kind, cashews included, should make up a small fraction of what a chicken eats in a day, with layers' pellets or mash forming the large majority. A small handful shared across the flock, a few times a week, is a reasonable amount for most treats.

Do chickens need nuts in their diet at all?

No, nuts of any kind are entirely optional. A chicken's diet is complete without them, built around a proper layers' feed, so cashews and other nuts are purely an occasional extra rather than something your flock needs nutritionally.

Can chickens eat cashews?

Chickens can eat a small piece of plain, unsalted cashew now and then, but nuts are not something to feed regularly. The fat content is high for a chicken's diet, salted or flavoured cashews are best avoided altogether, and any nut showing signs of mould should never be fed at all.

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Why cashews are only an occasional extra

Cashews are calorie-dense and high in fat compared with the layers' pellets or mash that should make up the bulk of a chicken's diet. A hen fed too many fatty extras can put on weight, which affects laying and general health over time.

The fat is not dangerous in the way some human foods are outright toxic to chickens — this is a moderation issue rather than a poisoning risk, provided the nuts are plain and given in small amounts occasionally rather than daily.

The real hazard: salt, flavouring and mould

Salted, roasted or flavoured cashews sold for people carry far more sodium and seasoning than a chicken's small body needs, and excess salt is genuinely harmful to poultry. Only ever offer plain, unsalted nuts if you offer any at all.

Mouldy nuts are the more serious risk. Nuts that have gone off can carry aflatoxins, a type of toxin that is dangerous to chickens even in fairly small amounts. Check any nut carefully before feeding it, and when in doubt, throw it out rather than risk it.

How to offer them safely

Break a cashew into a couple of small pieces rather than giving a whole nut to a single bird, both to make it go further across the flock and to reduce the chance of one bird gulping down more fat in one go than is sensible.

Treat cashews, like most treats, as an occasional extra scattered in with foraging rather than a daily addition to the feed. Layers' pellets or mash should always make up the large majority of what your flock eats.

What to feed instead

If you want to give your flock something to forage for, mixed poultry treats and scratch grains are designed with a chicken's diet in mind and are a more sensible everyday option than working through a bag of nuts meant for people.

A varied diet built mainly around a proper layers' feed, with vegetable scraps and the occasional treat mixed in, keeps your flock healthier than relying on any single extra, cashews included.

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Common questions

Can chickens eat other nuts besides cashews?: Most plain, unsalted nuts can be offered occasionally in the same small, infrequent way as cashews, though nuts generally should stay a minor extra rather than a regular part of the diet. Avoid anything salted, flavoured, or showing any sign of mould, whatever the nut.
Can chickens eat cashew shells?: This is not something to worry about — shop-bought cashews are always sold shelled, and the raw shell itself contains an irritant oil that is removed during processing well before the nuts reach a shop shelf.
Is it bad for chickens to eat fatty foods generally?: Fatty extras in large or frequent amounts can lead to overweight birds and affect laying over time, so treats like nuts, cheese or fatty scraps should stay occasional rather than a daily habit. A hen's main diet should always be a proper layers' feed.
What happens if a chicken eats a mouldy nut?: Mould on nuts can carry aflatoxins, which are toxic to poultry and can cause serious illness. If you know or suspect your flock has eaten mouldy nuts and any bird seems unwell — lethargic, off their food, or not themselves — contact your vet promptly.
How many treats should chickens have in a day?: Treats of any kind, cashews included, should make up a small fraction of what a chicken eats in a day, with layers' pellets or mash forming the large majority. A small handful shared across the flock, a few times a week, is a reasonable amount for most treats.
Do chickens need nuts in their diet at all?: No, nuts of any kind are entirely optional. A chicken's diet is complete without them, built around a proper layers' feed, so cashews and other nuts are purely an occasional extra rather than something your flock needs nutritionally.

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.