Food safety
Can Chickens Eat Mealworms? An Occasional Protein Treat
Yes, in moderation, chickens can eat mealworms as an occasional treat alongside appropriate balanced feed. University of Delaware Extension includes mealworms among poultry treats, while Arizona Extension discusses their protein value during molting. More protein is not automatically better for every bird. Keep the normal diet central, choose a clearly described product, and ask a poultry veterinarian if appetite, activity, or laying changes.
By Matt GarnettUpdated November 13, 20264 min read4 sources
Why mealworms can be offered
University of Delaware Extension specifically names mealworms as an occasional treat for chickens. That supports offering them as an optional addition, rather than presenting them as a food the flock requires every day. A bird’s enthusiasm for a treat does not establish how much of it fits the diet.
Arizona Extension identifies mealworms as a protein source in its discussion of molting hens. That is the nutritional role, not a claim that mealworms cure feather loss or illness. The condition of the bird and the rest of its diet still matter when deciding whether any addition is appropriate.
Scattering a small handful across a chicken run gives the flock something to scratch for; their complete layer feed still belongs in a covered feeder.
Keep complete feed as the nutritional foundation
South Dakota State Extension explains that complete feeds are formulated to meet a bird’s needs and that extra foods change the balance consumed. Filling birds up on a favorite treat can reduce the amount of balanced food eaten. Mealworms should not become a substitute simply because the flock accepts them readily.
Needs also change with age and production stage. The same bag of main feed is not automatically suitable for chicks, growing birds, and laying hens. Ask about the appropriate overall diet rather than trying to compensate for a mismatched feed by adding more mealworms.
Check what the package actually contains
Choose a product with a clear identity and ingredient list, and check any feeding directions against advice for your flock. A mixture labeled as an insect treat may contain ingredients beyond mealworms. Do not assume the verdict for plain mealworms establishes the suitability of every added ingredient.
Inspect storage instructions and keep the package available if you later need to discuss an exposure or a change in eating. South Dakota State cautions against moldy or insect-infested feed. An intended mealworm treat and a main feed that has become infested in storage are different situations.
Do not turn molting into an automatic treatment plan
Arizona Extension explains that hens may reduce or stop laying while replacing feathers. Its protein discussion belongs within that context. Feather loss and reduced egg production can have other explanations, so an owner should not conclude that every bird with bare areas simply needs a larger serving of insects.
Observe the whole bird and the rest of the flock. If the change is unexpected, severe, or accompanied by reduced eating or unusual behavior, call a poultry veterinarian. Adding a treat is not a diagnostic test, and a change in egg numbers alone cannot show whether the diet is the cause.
Offer treats where you can see what happens
Use a clean place to offer the treat and observe whether birds also continue eating their usual food. Keep water available and clean; Delaware’s poultry guidance emphasizes dependable access to fresh water. Keep a note of new products so you can describe a change accurately if questions arise.
Avoid increasing several extras at the same time. If you are unsure about an amount for the birds you keep, ask your veterinarian rather than borrowing a count from an unrelated flock. A universal number of mealworms would ignore differences in age, diet, and the form of the product.
Get help for changes that are more than snack preferences
South Dakota State recommends daily observation and recordkeeping to support poultry health. Contact a poultry veterinarian if a bird persistently leaves normal food, seems weak, or develops unusual droppings or breathing changes. Keep the product label and explain when it was introduced and how the normal feeding routine changed.
For severe breathing difficulty, collapse, or sudden deaths, seek urgent advice. Do not respond by withholding professional care while trying another treat. Keep appropriate feed and clean water accessible unless the veterinarian gives different instructions for the affected bird.
This page is general information, not veterinary advice, and it cannot replace advice from a veterinarian who treats poultry.
Common questions
Can chickens eat mealworms?
Yes, University of Delaware Extension includes mealworms as an occasional treat. Keep the main diet balanced and do not interpret a flock’s enthusiasm as evidence that an unlimited quantity is appropriate.
Do mealworms replace balanced chicken feed?
No. Complete feeds provide a planned balance of nutrients, and extras can change what the birds consume. Mealworms offer protein but do not replace every function of an appropriate main feed.
Can mealworms help a molting hen?
Arizona Extension discusses mealworms as a protein option during molting. However, feather loss or reduced laying should not be diagnosed from appearance alone, and a sick bird needs veterinary advice rather than a treat-based response.
How many mealworms should I give each chicken?
There is no single count suited to every age, diet, and product. Ask a poultry veterinarian how an occasional treat fits the flock you keep, while preserving the appropriate balanced main diet.
Sources we checked
This guide is general information, not veterinary advice. If your pet is unwell or injured, contact your veterinarian.
