Can anyone help me please, i think my flock something realy bad. All birds old and young are very flemy, blocked nose and wheezing, there very hot, sneezing, coughing not well at all. I bought in 3 table birds about 3 weeks ago and sinse then my hole flock has gone down with this illness infact 1 of the table birds died. Iv started treating them with baitril and puting a tonic in the water, but there so hot tonight iv left coop open so they have some cool air. Is there anything else i can do and am i doing thr right things? please help had bird for 6 years an this is the first time anything bad happend. dont knoe what to do