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Make sure it isnt intestinal lining that was shed, which is normal. Here's the poop chart:
If it's not intestinal lining, purchase corid 9.6% liquid solution at your feed store, it'll be in the cattle section. Dosage is 9.5cc per gallon of water for 5 days. You'll want to treat all your chicks with it.
Edited by dawg53 - 3/4/12 at 12:51pm
Cocci can be spread, so yes, if there is any other's in there with her than they will catch it too.
This video will explain what cocci is and how it affects your chicken; enlightening, IMO. Beware, it's a little graphic.