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Which of these can be a sign of bird flu in chickens?

Swelling and purple color on the comb, wattles or legs.

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  1. A bright red, healthy comb
  2. Swollen, purple comb, wattles or legs ✔
  3. Laying more eggs than usual

Why: Other warning signs are sudden death, no energy or appetite, gasping, soft or misshapen eggs, and stumbling. Report these right away.

Huh, didn't know that: Highly pathogenic bird flu can wipe out a whole flock within days.

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What is a hen's favorite cake? Layer cake.
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References

Answer: Swollen, purple comb, wattles or legs. Other warning signs are sudden death, no energy or appetite, gasping, soft or misshapen eggs, and stumbling. Report these right away.

  1. Avian Influenza, USDA APHIS www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza
    Purple discoloration of the wattles, comb, and legs
    Checked 2026-10-11.
  2. How To Spot Sickness, Defend the Flock, USDA APHIS www.aphis.usda.gov/livestock-poultry-disease/avian/defend-the-flock/how-to-spot-sickness
    Swelling of the head, neck, eyelids, comb, wattles, or shanks
    Checked 2026-10-11.

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