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The incubator is recorded being used to hatch bird and reptile eggs. It lets the fetus inside the egg grow without the mother needing to be present to provide the warmth. Chicken eggs are recorded to hatch after about 21 days, but other species of birds can take a longer or shorter amount of time. [10] Incubators are also used to raise birds. [11]
Egg incubation is the process by which an egg, of oviparous (egg-laying) animals, develops an embryo within the egg, after the egg's formation and ovipositional release. Egg incubation is done under favorable environmental conditions, possibly by brooding and hatching the egg.
The earliest incubators were invented thousands of years ago in ancient Egypt and China, where they were used to keep chicken eggs warm. [1] Use of incubators revolutionized food production, as it allowed chicks to hatch from eggs without requiring that a hen sit on them, thus freeing the hens to lay more eggs in a shorter period of time.
An Egyptian egg oven or Egyptian mamal is an oven for hatching eggs by incubation using artificial heat. [1] Manmade hatching ovens in Egypt date back to the 4th century BC . [ 2 ] Although using old processing methods, they were considered effective at hatching chickens, especially in comparison to other techniques of the time.
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An egg incubator. Because hens stop laying when they become broody, commercial poultry breeders perceive broodiness as an impediment to egg and poultry meat production. [ 8 ] With domestication, it has become more profitable to incubate eggs artificially , while keeping hens in full egg production.
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