CanadaPoultry NewsUnited States Balancing a Set in Single Stage Setters By Jim - November 12, 2020 523 FacebookTwitterPinterestWhatsAppLinkedinReddItEmailPrintTumblrTelegramMixVKDiggLINEViber Please enjoy a series of Hatchery Tips provided By Aviagen: Tip #20 Although the optimal eggshell temperature for maximum hatch and chick quality is in the range 37.8-38.3°C (or100-101°F), it is not always easy to keep within this range in a commercial setter.