My appx. 2.5-week-old australorp chick has developed a bald spot on her back. She does not peck at it, the other five chicks in the brooder with her don't peck at her, and it doesn't seem to bother her. It is not red or irritated-looking, but there is a little bit of dry, yellowish crusty stuff on the skin in that area. I do not see any little crawlies, and none of the other chicks are affected. They are on an organic, soy-free starter feed and all eating and drinking well, no abnormal stools, all active. This chick is a bit more timid than the others despite frequent handling but that is the only behavior difference. They came from a small local farm and were not vaccinated, I have had them for 10 days now. Could this be lice or mites? Should I separate this chick? Do I need to treat for parasites, and if so what can I use at this age?
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