A Mareks vaccine is usually offered when buying chicks from a hatchery. Many chose not to get the vaccine, but if there is Mareks disease in your area, chickens can get it. I have both vaccinated and unvaccinated chickens, and haven't seen it yet. But since it causes tumors, I wanted to make you...
I think if it was canker you would probably see worsening soon, so I would take down the info for the fishzole, but just watch it for a few days to a week. I think it may well be a cyst or tumor, especially if it is hard. Did she get a Mareks vaccine? Mareks can cause tumors in chickens. I'm...
My pictures didn't seem to make it in my last post. Here is a link for fishzole: http://www.ebay.com/bhp/fish-zole Here are some others from BYC posts https://www.backyardchickens.com/t/828389/help-my-hen-has-chicken-canker and...
That could be a tumor, an abscess or it could be canker. Canker can also be inside the throat, so look inside her beak for any yellow or grayish patches. There looks to be a dark center of the growth--is that a peck mark? Is the growth firm and solid or puffy like an abscess? Canker usually...