I would start them on Corid to see if that makes a difference.View attachment 2415649
The birds were in two different areas. I have a photo below of the indoor brooder. Feed and water is changed daily to prevent things like that. I honestly think I will have to switch to medicated chick feed. These are my babies. I spend time with them daily. The polish was not created. I do have three crested polishās and one NN crested polish mix. The other chick that passed was a copper maran (in the brooder). The brooder is 4x4 with plenty of space, food, water, and heat. I guess I am still learning