My girls are 25 wks old - Orpingtons & Favorelles A few of them are wheezing. They are active, eating, drinking, & laying. One looks like she has had loose stools (there is some poop on her fluff). I purchased them from McMurray and they were vaccinated before I got them. I live in Maine so our temps have been ranging from 25F at night to mid 40's in the day. There is no discharge coming from their nostrils. I use shavings for their bedding and floor. Should I be worried? Do they need to be medicated? Please let me know if you have any ideas.