Hello chicken peeps! Helping a dear friend in Ashland with 6 beautiful 3 to 4 year old hens kept in lovely chicken coup at night with free roam during the day. One died suddenly one week ago and another today. Molting, one day they both felt a little off, then passed next morning. Just wondering if anything is going around here in Ashland or if the summer fires has affected their respiratory systems. All thoughts welcome!