I also thought perhaps her organs are just shutting down, but I'm not positive. She has been yellow for quite some time, but was always passing food through until now. I suspect it is hopeless. It's been a long and slow process of her yellowing.
My hen has been orange/yellow in color for quite some time. Her entire face and body is yellow. She has lost so much weight and is now emaciated. I thought she was going to die. Now all of a sudden, her crop will not empty. It is full of layer's crumbles and does not empty. It is mushy...