7 articles
Candling
Candling is a method of holding a light source against an intact egg to view its contents through the shell, used to assess fertility, embryo development, and viability.
Chick sexing
Chick sexing determines the sex of day-old chicks, mainly by vent sexing (the 1924 Japanese method of Masui, Hashimoto, and Ono) and feather sexing; in-ovo sexing now replaces male chick culling in Europe.
Egg incubation
Egg incubation, natural (broody hen) or artificial (incubator), develops bird embryos under controlled temperature, humidity, ventilation, and turning; chicken eggs hatch in 21 days, and hatchery versus on-farm hatching affects chick welfare.
In ovo injection
In ovo injection is a poultry farming method that injects vaccines, nutrients, or hormones into avian embryos inside the egg, typically on days 17.5 to 19.25 of incubation.
Incubator (egg)
Egg incubator: machine for artificial hatching of poultry eggs by controlling temperature, humidity, ventilation, and turning. Covers history from ancient Egypt to single-stage and multistage hatchery systems.
Orpington chicken
Orpington chicken: British dual-purpose chicken breed created by William Cook in Orpington, Kent, in 1886 (Black Orpington from Minorca, Plymouth Rock, Langshan crosses). Buff, Black, White, Blue APA varieties; calm, broody; large brown eggs; graduated Livestock Conservancy endangered list 2016.
Petersime
Petersime is a Belgian manufacturer of incubators and hatchery equipment headquartered in Zulte, Belgium, tracing its origin to 1922, when Ira Petersime invented an early electric incubator.