SILOAM SPRINGS, Ark. — High temperatures can be an obstacle in livestock production, particularly in tropical regions. Broilers are more susceptible to high ambient temperatures because they lack sweat glands to dissipate heat from their bodies.
Heat stress occurs when the ambient temperature is higher than the thermo-neutral zone. Heat stress can be classified into 2 main types based on the duration of exposure: short term (acute, less than 1 week) or long term (chronic, greater than 1 week). Heat stress can impact bird physiology and growth performance, leading to welfare concerns and economic losses in broiler production. (Any signs. . .