Commercial incubators have undergone a variety of changes that have improved efficiency and reliability, but the basic design has not changed over the past 25-30 years. Equipment has not changed dramatically, but the same cannot be said for the eggs being incubated.
This article can also be found at World Poultry Volume 18 number 3. To view the article online simply click on the link below.
Keywords: hatchery, incubation, hatching eggs, chicken, hatching process