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Snakes may lay eggs in communal burrows, where a large number of adults combine to keep the eggs warm. Some species coil their torsos around the eggs to provide heat for incubation. Alligators and crocodiles either lay their eggs in mounds of decomposing vegetation or lay them in holes they dig in the ground.
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]
Brood patch of a sand martin. A brood patch, also known as an incubation patch, [1] is a patch of featherless skin on the underside of birds during the nesting season.Feathers act as inherent insulators and prevent efficient incubation, to which brood patches are the solution.
Egg incubation, sitting on or brooding the eggs of birds and other egg-laying animals to hatch them; Incubation (psychology), the process of thinking about a problem subconsciously while being involved in other activities; Incubation period, medical term for the time between being exposed to infection and showing first symptoms
Red salted duck eggs sold in the Philippines. A popular method for processing salted eggs in the Philippines is the Pateros method. The salted egg is prepared "Pateros style" by mixing clay (from ant hills or termite mounds), table salt, and water in a ratio of 1:1:2 until the mixture becomes smooth and forms a thick texture similar to the cake batter.
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. [16]
Reptile eggs, bird eggs, and monotreme eggs are laid out of water and are surrounded by a protective shell, either flexible or inflexible. Eggs laid on land or in nests are usually kept within a warm and favorable temperature range while the embryo grows. When the embryo is adequately developed it hatches, i.e., breaks out of the egg's shell.
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]