Clarisse, my very first hen who's 3 years old had blue/purple tips on her comb this morning. She's eating, not all fluffed up. No new chickens brought home, not acting sick. She hasn't laid in the past few weeks. They were all wormed 2 x 10 weeks ago. No bugs. The rest of her comb and wattles are normal red. If it's not cardiac failure coming on, what could it be?
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