I have three 3 week old chicks, a Partridge Rock, a Silver Laced Wyandotte and a Black Autralorp. At about the first week or so I noticed the Australorp was sitting alone and not moving around much so bases on reading and symptoms I assumed this was the first stages of Coccidious. I immediately started a 5 day treatment of Corid with all three and she seemed to get move better after a couple days and began eating a drinking on her own. Now they have been off the treatment for a week or so and she seems to still be less active than the other two and sits by herself alot of the time when the other two are out exploring. She is growing and feathering but just seems not 100%. Does anyone have an advice, Im worried theres something wrong and I dont know what.