"Modern broilers are highly susceptible to heat stress. The consequences are reduced performance, lower meat quality, poorer welfare and increased mortality. Some of these adverse effects are seen when the shed temperature is 26⁰C to 28 ⁰C. Using insulated tunnel ventilated sheds it is feasible to maintain a shed temperature 8⁰ to10 ⁰ lower than the outside ambient temperature. So, when the outside temperature is >36⁰C broilers are exposed to a shed temperature that causes heat stress. 
 
The project will investigate the effect of water electrolyte supplementation when broilers are exposed to a temperature of 32 ⁰C (equivalent to an outside temperature of 40 ⁰C) during the last week of a 42 day production cycle."