Thank you for all your help. After a visit to the avian vet, I'm thrilled and ever so relieved to let you know that it's not Marek's. Phew! We are on some anti-biotics, eyedrops and pain killers for an eye inflammation. Hopefully we will see some positive results within the next week or so...
Thank you for your reply. You're right, it's actually a constricted pupil - not dilated! My girl looks exactly like the chicken in the photo. I'm really worried it's Marek's. I'll take her to the vet today to be sure. Is there anything I can do if this is confirmed to be the case? I am also...
Hi everyone
I have seven beautiful and much loved Isa Browns in Adelaide, Australia. They are healthy free rangers. But I noticed yesterday that one of them has very small, dilated pupils in her eyes. This must have changed sometime over the last month. She doesn't appear to be vision impaired...