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A female mallard duck incubates her eggs. 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.
A modern egg incubator. An incubator is a device simulating avian incubation by keeping eggs warm at a particular temperature range and in the correct humidity with a turning mechanism to hatch them. The common names of the incubator in other terms include breeding / hatching machines or hatchers, setters, and egg breeding / equipment. [1]
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. [3] Egyptian egg ...
Most pythons coil around their egg-clutches and remain with them until they hatch. A female python will not leave the eggs, except to occasionally bask in the sun or drink water. She will even “shiver” to generate heat to incubate the eggs. Some cichlid fish lay their eggs in the open, on rocks, leaves, or logs. Male and female parents ...
Some reptiles use incubation temperatures to determine sex. In some species, this follows the pattern that eggs in extremely high or low temperatures become female and eggs in medium temperatures become male. [14] Within the mechanism, two distinct patterns have been discovered and named Pattern I and Pattern II.
A duck egg might have a higher value of nutrition than a chicken egg but overall, both chicken and duck balut have approximately the same nutritional value. [ 15 ] In folk medicine, according to popular Vietnamese belief, these eggs are a nutritious and restorative food for pregnant or delivering women.
In the Peruvian Amazon, an extended heat wave and drought have shortened the incubation period for thousands of turtle hatchlings released into the river by biologists as part of a local ...
Candling is a method used in embryology to study the growth and development of an embryo inside an egg. The method uses a bright light source behind the egg to show details through the shell, and is so called because the original sources of light used were candles. [citation needed] The technique of using light to examine eggs is used in the ...