I have six red sexlink chickens and all are about six months old. Two days ago I noticed a bloody stool in one of the nesting boxes. All the birds seem healthy, eating, drinking and active. I cleaned it up and replaced the bedding in the box only to find the same thing today again. I have had all the birds out, one at a time to check on stools and everyone seems normal. I read on this forum about coccidiosis and treating it with corid from Tractor Supply. Do I treat all the birds since it is contagious? Are the eggs safe to consume? If I treat with corid, how long until the eggs are ok for my family to eat? I'm new at this and my girls are like extra kids. Thanks for your help!