AND IT IS MCMURRAYS FAULT! I called them and they said the chicks have brooder Pneumonia. well, here is our "brooder Pneumonia." it says it can be caused at the time of hatching. there is no way all our our mcmurray chicks just happened to get sick at our homes the same way!
http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/206100.htm
http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/206100.htm