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My cockatiels laid eggs. Is mating normal during incubation?

Updated On September 23rd, 2025

Pet's info: Bird | Cockatiel | Female | unspayed | 1 year and 1 month old

My cockatiels laid 3 eggs a few weeks ago ( over a period of days) but after incubating them for like 12 days they are mating again, they still sit on the eggs but keep mating , is this normal? ( These are my first cockatiels I got them as a pair and they were a rescue no Avian veterinarian here in Yemen I mean like at all) ( They are in really good health now and happy)

1 Answer

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Answered By Jessica Desrosiers

Veterinary Technician

Published on December 20th, 2018

That can be normal, yes. You can check the eggs when they are not sitting on them to see if they are viable - eggs that are fertile usually start off very translucent and then become more opaque (darker/more solid color) as the embryo develops inside. (12 days should be enough to see this change.) If the eggs don't seem viable, or the parents stop sitting on them, they can be removed. If they aren't hatched after 3-4 weeks, they are likely not viable and should be discarded. Make sure you offer an extra source of calcium for your female in the form of eggfood or a cuttlebone. This can help replenish the calcium that was used in making eggs and prevent egg-binding (an egg getting stuck) if she decides to lay more.

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