granted the winning birds recover quicker than the rest [most of the tine] but the use of heaters + a thermostat creates optimum conditions science is providing information all the time to improve an athletes and thats what we are dealing with not just a bird but a line of the species inbred and tinkered with to doing something to its best ability Paul Stobbs the man with the best results in the WDA in the last decade apparenlty uses heaters and thermostats creating the the best enviroment for the best results and believe me in amal races he is virtually unbeatable