Background Just recieved this chicken along with 10 others from a lady 10 days ago. Didn't know to quarentine them before mixing with my OG chickens. The chickens did look a little ragged compared to my OG chickens but they are different breeds and colors so just figured I wasn't used to them. They also were with a huge rooster and some turkeys and I assumed they were just scruffy from over breeding or because of the turkeys picking them. Yesterday 8am My daughter said we had a sick chicken in the barn. That her feathers were fluffed up and she wasn't with the other chickens. I have never had a sick adult chicken before so I didn't think anything about it I just figured she was fluffed up cause she was cold. 5pm Chicken was in the same place it was in the morning. Brought her in the house. She was lethargic, fluffed feathers, small amounts of a watery slimy fluid leaking out her beak. It had a dirty water color. There is no smell coming from mouth or the fluid in her mouth. If you tip her forward some fluid does come out. Like pouring coffe from a cup.One poop allnight and was diahreah dark green in color. After examing her over I found she is badly infested with both mites and chicken lice. Started giving her water with electrolytes and antibiotics. She has no intrest in eating or drinking so using a syringe to get it in her mouth. Sometimes she imeadiatly starts swallowing other times she just sits there and lets it run down her throat. No food at all yesterday, not sure for how long before that. Today I woke up she was still with us. She actually seemed to perk up and listen when I came into the room, but still didn't opwn her eyes. She hasn't improved any as I had thought. She did have one instance of explosive dark green diahreah. After giving her the medicated water, the fluid coming from her mouth over the night, and today has changed to that same color and also seemed less then yesterday. However when I picked her up to examine her vent area and the last bit of water I had given her fell out of her beak. It now seems to be getting more and more mucasy instead of watery. She is breathing through her beak rather that her nose and you can here it poping the the mucas in her beak. Once I wipe the mucas out of her beak the popping or gurgeling stops. It feels like all the water I gave her is still in her crop. Its kind of squishy like a balloon filled with cooking flour. She did just have a bowl movement for the first time since 5 pm yesterday at 10 am and it was explosive diareah in the same dark green shade. I just don't know what to do for her. I feel bad! I love my chickens like pets. So any suggestions are appriciated!