Hen is a rhode island red, about 2 yo... Symptoms Lethargic Comb is pale and sorta limp (laying in an S shape rather than straight up) Greenish watery poop, watery enough to stick on feathers Not going out for free range time, but did go to the lower level of the coop (open to the ground but fenced) Sleeping in nesting box instead of roosting on pole Seems to be drinking. I gave her yogurt and she ate it. Not sure what to do, where to start? What should I do?? Thanks!!!