One major aspect of broiler raising that has changed markedly during the 1990s is housing.
The evaporative cooling house (or “evap house” for short) – a closed semi-automatic
housing system which uses large fans and water to cool houses holding more than 10 000
chickens to 28 ˚C or less during the hot season in tropical countries such as Thailand – has
contributed to the industry’s cost savings. The evaporative cooling house can save labour
and housing costs. More importantly, it increases growth and survival rates substantially