Odd feather pattern?

[Chickidee216]

Hey ladies! So one of the hens in my flock developed a sort of thin spot in her feathers and I'm not sure what happening here. It's not completely bald but came on suddenly and has been this way for a few months. I don't see any mites but she does have a scab in one spot that looks like it's healing. No infection and not hot. She doesn't get picked on by the others as far as I can tell. Any ideas?

Scab

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[cottontail farm]

Do you have a rooster? This looks like pretty typical feather loss from mating.

 

[Chickidee216]

I do. We had 2 roosters until about a week ago we went down to 1 rooster. I'll try to pay attention to see if he's favoring her over the others. Hopefully though it'll get better now that he's my only rooster. Thanks!

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