Heavy breathing/wheezing meat bird. What to do?

[my first peepers]

I have 10 CornishX. All are hot and panting as it is a hot day, though they do have the door open/shade/breeze. They are 5 weeks old on pine shavings and have been healthy. I did loose 2 during the first week and 1/2 but none since.
The one I'm concerned about is breathing rapidly with a wheezy/squeeky sound.
Any ideas what this might be and how I can help it?

 

[robin416]

Its probably a heart related problem. If you don't want to cull this bird, stick its feet and legs in a pan of water. It will help cool it down. Of course it might upset it enough that it'll have a heart attack. These guys grow so rapidly their hearts have no chance of keeping up.

If you can put a fan on them. Blowing right on them.

 

[homesteadingcowgirl]

I have had Cornish X before and didn't have many problems, so to me that loss sounds high, though I know they tend to have heart and le problems. Are you taking the food away in the evening?

 

[robin416]

There's been something going on with the Cornish X's this year. I've read several times of high mortality at just a few weeks in age. I'm not sure any solution or problem was found.

 

[my first peepers]

Thanks for the suggestions. I wrapped a big cold pack in a plastic bag and put it in there but they were all afraid of it. It seems better now that has cooled down. If it's bad again tomorrow I will give them a fan.

They can't eat at night because it's dark...why take the food away?