Oy, that looks painful. Looks like some kind of mites or lice or something. I use the premetherin dust in my coop and goat pen and thankfully that keeps the bugs away. May have to get one that you can sprinkle on the chick itself, which I've read about, but haven't done.
Chickens losing feathers?
A friend of mine has chickens so I don't know everything about them but her chickens are losing feathers, even the rooster? She says she's treating for mites that wild birds brought in. She lets them roam frequently and gives scratch grain every morning. I think she gives them oyster shells or calcium or something every now and again too? Anyway, I don't really know much about chickens but I thought I'd see if I could help her out with this post. I also included a picture of one of the bald spots on the rooster (It's the only picture I have and it is one of the spots that concerned me the most). If anyone knows what might be going on that would be great, thank you!
![Bird Phasianidae Chicken Beak Galliformes]()
