Hey guys, I live in southern Ontario and have a flock of 5 layers. Recently we have had a few cold days (-15C to -20C with windchill). A few days ago I noticed one of the girls starting to sneeze and wheeze a little bit. The next day was worse so I gave her some bread soaked in olive oil as I read that has fixed a lot of birds with this issue. The next day was a warmer and sunny and she was back to her regular self again even trying to talk to me. The temperature has dropped again and the sneezing and wheezing has returned. Noticed one of the other hens sneeze a few times as well when I was out spending some time with them yesterday. All birds continue to eat and drink with no issues. I do not have a heat lamp in the coop as I've heard a lot of recommendations not to. I can tell they are not particularly happy on these cold days though. So I guess my question is what is my next step? Do I wait a few days for warmer weather again to see if any improvement or should I be giving them any medication?