I recently bought three white polish chicks that are about 5-6 weeks old from a breeder in our area. Brought them home on Saturday, all bright-eyed and chipper, and Monday morning one was a bit lethargic. I came home at about 3:45 and one of the chicks had died. I found blood around the vent feathers and the wing feathers where they could have been pooped on, and bloody poop. Another chcik has the blood on the wing feathers as well, and is a bit lethargic compared to the other chick. The poop is solid, but with sticky liquid blood around it, compared to the type of blood/tissue found in coccidiosis poop, so I'm not sure it's coccidiosis like I had origionally thought. The chicks are eating medicated chick crumbles. What can I do, and what does this chick have?