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SESK: Stuff Everyone Should Know · sesk.info/chick-heat-stress-signs

Which signs suggest heat stress in chickens?

Look for panting and wings held away from the body.

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  1. Shivering and huddling
  2. Panting and wings held away ✔
  3. Clucking and fluffing

Why: Chickens open their mouths to pant and lift their wings to release heat. These are early warnings to cool them down.

Huh, didn't know that: Severe heat stress can cause a pale comb and weakness.

The dad joke
Why did the hen lift her wings? She wanted to vent.
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References

Answer: Panting and wings held away. Chickens open their mouths to pant and lift their wings to release heat. These are early warnings to cool them down.

  1. Merck Veterinary Manual: Management of Backyard Poultry www.merckvetmanual.com/exotic-and-laboratory-animals/backyard-poultry/management-of-backyard-poultry
    In extreme heat, chickens pant, decrease their activity, drink more, eat less, and extend their wings away from the body to dissipate heat.
    Checked 2026-10-11.
  2. NC State Extension (Sampson County): Are Your Chickens Cool Enough to Beat the Heat? sampson.ces.ncsu.edu/news/are-your-chickens-cool-enough-to-beat-the-heat-2
    panting / labored breathing holding wings out and away from the body pale combs and wattles
    Checked 2026-10-11.

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