Hi, one of my hens was just sitting on the floor of the coop this morning and seems very weak and skinny. I gave her a warm water bath as she had a lot of loose poop around her vent. I noticed the other day that she had long nails (which seemed odd, everyone elses are fine) so I trimmed her nails aswell and have separated her off. She has eaten some yogurt and berries but I noticed she is pecking the air before she gets to the food. She seems to either have no depth perception or very little sight. i havent noticed any different behaviour before today but the long nails would indicate that she hasn't been moving around and scratching as much as usual for a little while. The others haven't been picking on her at all, usually mine are quick to pick on a sickly coop-mate. Any thoughts anyone?