One of my 12 week old rirs has had diarrhea for a few days now. About a week and a half ago she was walking funny on her left side, I checked for bumblefoot and found no signs of it. Once I noticed she had diarrhea I used save a chick to try and build back her electrolytes. I checked on her a few hours ago and she was walking around with the rest of them, now she won't get up. She tried spreading her wings and lifting herself but she couldn't stay up for more than a second. The only movements she'll make is flopping onto her right side and spreading her left wing a little. It's really cold here and I'm concerned that's a factor as my runt rir was acting odd also. She didn't fuss when I held her, so I'm having trouble locating a possible injury. As far as I've seen before this point she has been eating and drinking normally.