I want to put 18 babies in 1/2 the coop protected of big girls but 1 big girl (2 yr old Rhode Island Red (RIR) Female) has diarrhea 14 days now unsure why no symptoms!!! I’m scared to comingle chicks with hens if sick! Ideas? Help Tyia. 4 weeks ago my 2 yr old Buff Orph got sick buffed up and...