Just received some baby Black Sex Link chicks this week, got them locally from a hatchery. Have been noticing that one of the chicks poop is white, all white looking and looks formed, is this normal? The rest of the chicks have the green brown color. I think they are around 4 days old. They are eating non-medicated chick crumbs and I have an electrolyte/vitamin solution in their water. They all seem to be eating and drinking. Hoping the withe poop isn't a sign of a problem? Does anyone have any advice?