How to Tell if Bearded Dragon Eggs Are Fertile

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Bearded dragon eggs take about two months to hatch. Before you try to incubate some you need to know they're fertile. It is a waste of time and effort to incubate infertile eggs. By using a small light and a dark room, you can determine whether the eggs from your bearded dragon are fertile by using a process called “candling.”

Candling Bearded Dragon Eggs

When taking eggs out of the nesting box, mark them on top with a pencil can replace them in the same position. If bearded dragon eggs are rotated after they are deposited, they will likely perish. Take the eggs to a dark room and shine a bright but small pen light through the egg from behind. If the eggs are fertile, you will see a network of blood vessels, and the light coming through the egg may be primarily pink. If the eggs are infertile, the light coming through the egg will appear yellow, and blood vessels will not be visible. Keep eggs that look infertile for a few days before discarding them: Occasionally, eggs may take a few more days to develop blood vessels that are large enough for you to see.

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