This has happened to 80% of 2 different batches of chicks/keets/turkeys in the last 18 months. We treat them for cocci and they have a small bit of blood on their nasal passages. After that the blood dries out and it's almost as if the keratin in the mid beak dies. 1-2 lose half the upper beak, but most stay looking like this into adult hood. They thrive after this, but aren't profitable for sale. Any ideas what it is? I literally can't find anything in search.