If it has Marek's , it got it from another bird that had Marek's. If that's it.
That's why a flock history is good to have. I know which chicken brought it in to my flock because she was the only one that had contact with other birds. Keep on with the vits. And think about other possibilities of what it could be.
That's why a flock history is good to have. I know which chicken brought it in to my flock because she was the only one that had contact with other birds. Keep on with the vits. And think about other possibilities of what it could be.