Incubation and Hatchery Performance Manual transforms the acclaimed 2021 ACPV workshop, “The Devil Is in the Details,” into an accessible, practical reference for poultry professionals. Drawing on more than 300 years of combined author experience, it presents conversational, insight-rich guidance on the science, management principles, and critical details that influence incubation and hatchery performance, with expanded references and clarifications for real-world application. Designed to support continued learning and industry dialogue, this essential resource helps readers strengthen hatchery practices and advance the health, safety, and efficiency of poultry production.