I unfortunately am at work so I’m not there to experience the exact symptoms. My daughter called me crying one of our americana‘s started making a noises she noticed it was struggling to breathe and couldn’t get up. At first she thought its leg was broken. When she hung up with me she said she’s barely breathing and she’s probably about to pass. All that happened within about five minutes. She supposed to call me back and let me know what’s going on. It sounds very similar to something I had to happen to two of my chickens years ago. I know you can send a chicken off somewhere to see why it died. But does anyone know the details where I could send the body