How can the egg under the parrot hatch the birds

After the parrot is off the egg, as long as there is a nest, the mother bird herself will hatch the eggs.However, it should be noted that if you must prepare the nest before the egg is laid, if you finish the eggs, you will not put the eggs in the eggs, and naturally you will not hatch.If the egg is moving artificially, the mother bird will refuse to hatch the eggs because of the stain in other odors.At this time, if you want to incubate eggs, you must prepare a period of incubation to control the temperature and humidity and wait for the shell.