By Michael Czarick
& Dr. Brian Fairchild
Special to Poultry Times
ATHENS, Ga. — It is widely understood that tunnel ventilation is a necessity when it comes to keeping market-age broilers comfortable during hot weather. Air speeds of 600 feet/minute or more combined with evaporative pad cooling of 10 degrees or more have proven to not only help keep heat stress related mortality to a minimum, but enable the birds to continue to eat and grow during even the hottest summer weather. But, if we want to insure maximum bird performance, health and comfort throughout. . .