Q:

Where do eggs come from?

A:

Quick Answer

Eggs come from a wide array of oviparous species, such as birds, fish, reptiles such as snakes, tortoises and frogs, and many insects. The most common egg comes from chickens. There are more species that lay eggs than there are species that have live births.

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Full Answer

Eggs form inside the oviparous species in the reproductive process. In the case of chickens, eggs form over a period of around 25 hours. Some animals' eggs are fertilized internally, and some animals' eggs are fertilized after they have been laid.

Commercial chicken eggs are not fertilized. Chicken eggs that are fertilized eventually hatch into chicks if the reproductive process is successful.

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Related Questions

  • Q:

    How often do chickens lay eggs?

    A:

    According to BackyardChickens.com, hens lay eggs anywhere from once every 24-25 hours to once or twice a week. A hen's egg-laying routine is influenced by her breed, the amount of daylight, molting, seasons, temperature changes, illness, stress, nutrition, the availability of feed and water, or other disruptions.

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  • Q:

    How are chicken eggs fertilized?

    A:

    When a rooster and hen mate, the semen is stored inside the oviduct and is used later to fertilize the egg before the shell forms around it. The semen can be used up to a month after storage.

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  • Q:

    How long do chickens sit on eggs before they hatch?

    A:

    A chicken sitting on a fertilized egg can expect to see a baby chick in 21 days. There are certain circumstances that can alter that time from 19 days all the way to 25 days.

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  • Q:

    How do chickens lay eggs?

    A:

    Chickens lay eggs by pushing the ova through the reproductive tract. Along the way, the albumen, shell membranes, shell, and bloom are added, to feed and protect the ova inside. Once all of these parts have been added, the egg is laid.

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