Today we found bloody stools all over out mini brooder coop. We have 4 4 week old silkies. I took each one out separately and placed them in an empty tote. After they pooped I looked at them and found 2 of the 4 had blood. We read that they probably have cocci. We bought some sulmet and added it to their water. All the birds appear to be active and not acting sick. Will they be ok? Does the sulmet work? Should we be worried about our other laying flock? They are not together yet.