Why has my chicken stopped laying and seems to have a respiratory infection?
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Overview
If your chicken has stopped laying and seems to have a respiratory infection, there may be more than one cause. Stress, moult, poor condition, age, heat, parasites, or a respiratory illness can all affect laying and breathing, so it’s worth checking a few practical things before jumping to conclusions.
Breathing symptoms alongside a drop in egg laying should be taken seriously, but they don’t always mean the same thing is causing both problems. The aim is to spot what’s changed, reduce stress, and decide whether the bird needs veterinary help.
Things To Check
1. Watch how your chicken is breathing. Listen for wheezing, rattling, sneezing or open-mouth breathing, and check whether it looks effortful or just a bit noisy.
2. Look at her eyes, nostrils and face for discharge, swelling, crusting or redness.
3. Check whether she’s still active, eating and drinking normally, or whether she’s quieter than usual and staying apart from the flock.
4. Think about whether she has recently moulted, been moved, introduced to new birds, or had a change in feed, weather or housing.
5. Check her comb and body condition. A pale comb, weight loss or poor feather condition can point to general ill health or parasite burden.
6. Look at the coop for damp, dust, poor ventilation or ammonia smell, as these can make breathing signs worse.
7. Note whether other birds are showing similar signs, which can suggest something infectious or environmental is affecting the flock.
Common Causes
The most common reasons for a chicken to stop laying are moult, stress, age, poor nutrition or a change in daylight hours. These can happen at the same time as mild breathing irritation, especially if the bird is already run down.
Respiratory signs may also come from infections such as coryza, bronchitis or other flock respiratory disease, which can reduce laying while the bird is unwell. Irritants like dust, strong cleaning products or poor ventilation can also cause noisy breathing without a true infection.
Less commonly, parasites, general illness or reproductive problems may be involved, particularly if the hen is losing condition or seems unwell in other ways.
What To Do
Separate the bird from obvious stressors if you can do so safely, and keep her warm, quiet and easy to observe. Make sure fresh water is always available and check that she is still eating.
Improve coop ventilation, remove damp bedding and avoid dusty litter or strong-smelling cleaning products around the flock. Keep a note of her breathing, droppings, appetite and whether any other birds develop symptoms.
If she has recently stopped laying because of moult or seasonal change, that may resolve in time, but breathing signs still need watching closely. If the respiratory signs are not improving, or more birds are affected, speak to a vet for advice on the safest next step.
When To Contact A Vet
Contact a vet if your chicken is struggling to breathe, has open-mouth breathing, is floppy, not eating, or if several birds in the flock are showing similar respiratory signs. Prompt advice is also sensible if the bird has facial swelling, thick discharge, marked weight loss, or the problem is getting worse rather than better.
Products That May Help
If you’re managing a chicken with possible respiratory signs, keeping the coop and surrounding areas clean and dry can be a useful part of good flock care. This collection may help support your routine hygiene and general smallholding management.
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.