Black marks on chicken's comb?

Common poultry diseases and conditions, advice on what they are and how to treat them.
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Black marks on chicken's comb?

Postby Newtochickens » Sat Apr 22, 2017 3:00 pm

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Can anybody give me advice on what the black mark on my chicken head is? She's about 7 months an is an ex-battery hen, she's in a fenced off part of the backyard with one other chicky with her and two more separated by chicken mesh. She hasn't exhibited any other symptoms and has still been laying one egg a day and eating/drinking etc. From what I've read online fowl pox seems like the likely bet, but if anyone has any advice or experience it would be appreciated. Vets are closed until Monday as we're on an island but we're thinking of taking her in for a check then if nothing's changed.
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Re: Black marks on chicken's comb?

Postby wolga » Sat Apr 22, 2017 8:39 pm

Hi Newtochickens !
I don't think it's fowl pox or any other disease. To me it looks more
like injuries. One seems to be fairly fresh. Maybe the hens had a little
fight or tried to stick their heads through the fence.
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Re: Black marks on chicken's comb?

Postby Marina » Sun Apr 23, 2017 11:37 am

Yes, most likely dried blood from an injury. Hens do fight, too.

However, the blister-like feature next to the black spot could be an indication of fowl pox. If it is - there is nothing to worry about. It is a viral disease and needs to take its course. It takes about 6 weeks to pass. It's not usually a serious disease in chickens- egg laying may get less frequent but apart from this most hens deal with it just fine.

Your other chooks will already have been exposed to the virus (if it is indeed fowl pox) so no need to separate.

I've had fowl pox in my flock once, some 10 years ago. The rooster had quite bad lesions on his comb but apart from that he showed no sign of illness. The hens continued to lay and only 1 of them had one blister on her comb.

But more likely than not that black spot on your hen's comb is from an injury.
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