Can anyone help. I have had several orp. babies develop diarrhea and die. It's not pasty butt, but they do have alot of poo under their vent. That's why I called it diarrhea. They become lethargic and three have died. No other symptoms. they are about 4-5 weeks old, I hatched them myself, and except for a couple of very supervised outings in the yard, they have been in the house. I think one or twomay have had blood in their stool. Can anyone tell me what this is and if there is anything I can do about it?