Hello everybody, I have a chick who was completely fine yesterday morning running and playing with her brothers and sisters then in the evening I went to check on them, as usual, and I noticed that, unlike the other chicks, she was puffing her feathers and moving really really slowly sometime not moving at all and either sitting or standing up unmotionless from her spot for a while .I caught her to check what is wrong but she seems, from the outside, completely fine. I didn't know what to do I cleaned their coop and their water and everything and this morning she seems even worse so I separated her from the others and I noticed she had a really really runny poop sometimes it's dark green, sometimes the Color of pistachio and now a light brown but it is really runny she does not move at all and still puffing her feathers, I don't know what is wrong ? What can I do ??? Here is a picture of the chick Please, any advice before it's too late ? The poor thing is breaking my heart I don't want her to die .is there any chance for me to save her ?