I am trying to figure out how I can tell if my chicken (silver laced Wyandotte) has a liver problem. I had a mobile vet come out and she said she 'thinks' it's the liver but can't be sure. Her skin is realllllly yellow and her 'ears and lobes' look pretty yellow as well. Her tail feathers are down and she looks as if she is molting (which she is not). She is still eating and drinking fine. Shakes her head a lot also. Help! Any suggestions?