Thank you all for responding. I appreciate it. I hope tomorrow morning they are all ok. I'm just so confused and worried. I've had them over a year and they've all done well until now. :(
I have a small backyard flock. One chicken randomly stayed by itself some yesterday. This morning I went out and it had died. No predators. The coop and run doors were still shut and no holes. We had a funeral for it today. As we were outside I noticed the other girls had bulges on the right...