Lumps/sacks/growth on tail bone

WangoTango

Hatching
Aug 20, 2025
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0
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My older hen has lumps/skin sacks/growths/tumors on top of her tail bone/back area. Does anyone recognize this?
The only reason I noticed is because she started molting and this exposed the area.
She does not weigh less, eat less, or move less. Perfectly normal behavior. She does not react when the lumps are touched. She was recently broody and I was carrying her out of the coop into the field daily for a few weeks, so I've had a lot of interaction with her lately and nothing has seemed wrong until finding this today.
 

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My older hen has lumps/skin sacks/growths/tumors on top of her tail bone/back area. Does anyone recognize this?
The only reason I noticed is because she started molting and this exposed the area.
She does not weigh less, eat less, or move less. Perfectly normal behavior. She does not react when the lumps are touched. She was recently broody and I was carrying her out of the coop into the field daily for a few weeks, so I've had a lot of interaction with her lately and nothing has seemed wrong until finding this today.
Ingrown Feathers.
 

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