Why is my chicken not eating and sitting fluffed up?
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Overview
If your chicken is not eating and is sitting fluffed up, it usually means they’re feeling unwell, cold, stressed or uncomfortable. A healthy bird normally stays alert, active and interested in food, so this combination is worth paying attention to.
There are several possible causes, from a temporary dip in appetite to illness or injury. The main thing is to check the bird’s behaviour, droppings, crop, breathing and general condition so you can judge how quickly they may need help.
Things To Check
1. See whether the chicken is alert, moving about and reacting normally, or whether it is quiet, sleepy or separating from the flock.
2. Check if it is eating any food or drinking water at all, even if only a little, and whether it is ignoring favourite treats.
3. Look at the droppings for changes in colour, consistency, blood or a complete lack of droppings.
4. Feel the crop gently in the morning if you know how. It should usually be empty after overnight rest.
5. Watch for breathing changes such as open-mouth breathing, tail bobbing, wheezing or nasal discharge.
6. Check the feathers, skin, vent area and feet for lice, mites, wounds, swelling or obvious signs of discomfort.
7. Notice whether the bird seems cold, wet, hunched or unable to move away from the flock.
Common Causes
The most common causes include mild stress, cold weather, a temporary off day, or a bird being unsettled by changes in the flock, housing or routine.
Reduced appetite with fluffed-up feathers can also happen when a chicken is dealing with pain, egg laying problems, a crop issue, gut upset or another illness. Chickens often hide illness until they feel quite poorly, so a quiet bird should be taken seriously.
Less commonly, parasites, respiratory disease, injury or more serious internal problems may be involved. You can’t tell the exact cause from posture alone, which is why the other signs matter.
What To Do
Move the bird somewhere warm, dry, quiet and safe if it seems weak or is being pecked by other birds. Offer fresh water and easy-to-reach food, and keep an eye on whether it starts drinking or pecking on its own.
Check the bird at regular intervals through the day. If it is still fluffed up, not eating or becoming more withdrawn, make a note of any changes in droppings, breathing, crop fullness or egg laying.
Keep the coop clean, dry and well ventilated, and make sure feeders and drinkers are easy to access. If more than one bird seems unwell, look at flock-level issues such as hygiene, damp bedding or parasite pressure.
When To Contact A Vet
Contact your vet promptly if the chicken is not eating for more than a short time, is getting weaker, has difficulty breathing, has severe droppings changes, a swollen abdomen, obvious pain, or seems unable to stand properly.
It’s also sensible to seek advice if several birds are affected, or if the bird is very young, old or already vulnerable.
Products That May Help
Keeping coop and smallholding areas clean and easy to manage can support your day-to-day flock routine, especially when you’re monitoring a bird that seems off colour.
Related Questions
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Atlas is here to support owners with practical, easy-to-understand guidance. It is not a substitute for professional veterinary advice. If you're concerned about your animal's health, symptoms worsen, or something doesn't feel right, contact your vet.