Production & ManagementMeat - Broilers Why maintain broiler breeders within their thermal comfort zone post-brooding? April 17, 2020 477 Facebook Twitter Pinterest WhatsApp Linkedin ReddIt Email Print Tumblr Telegram Mix VK Digg LINE Viber Broiler Breeder Management How-to’s provided by Aviagen Tip #10 The thermal comfort zone is the temperature range within which a bird does not have to expend energy in order to maintain its normal body temperature (i.e. it is thermally comfortable.)