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If by "good," you mean fertilized, you can hold the egg up to a flashlight in a dark room. If you can see lots of blood vessels under the egg shell, it has been fertilized and should be viable.
If you mean "safe to eat," you can place the egg in a glass of water. A fresh egg will sink, and a spoiled one will float (due to the buildup of gases inside the shell). Eggs will stay good for a LONG time in the refrigerator - often up to 6 months!
What else can I help you with?
Do killdeer eggs grow after being laid?
No. once the egg is laid they do not increase in size at all. The egg is formed in the oviduct of the hen bird and remains the same size once the calcium shell is deposited around the yolk and albumen.
How do birds store eggs inside themselves?
They don't. Once the egg has developed to a certain stage, the egg is laid in the nest.
In Pokemon platinum how do you know if an egg is laid at the daycare center on a poketch?
Refresh it (tap it) and you see an egg if so.
How many eggs do the emperor and the king penguin lay?
One egg is laid.
Which character laid a golden egg?
the goose laid a golden egg.
Who born first hen or egg?
It could be both if the hen was born first who made the hen (don't say Jesus!) if it was the egg who laid the egg
How long does it take for a Sonora n Desert Road Runner to hatch from a egg?
It takes 20 days for the roadrunner egg to hatch once laid.
How fast can a egg that is just laid go bad?
I know from experience a day of two
When was Mummy Laid an Egg created?
Mummy Laid an Egg was created in 1994.
What is the ISBN of Mummy Laid an Egg?
The ISBN of Mummy Laid an Egg is 0099299119.
How many pages does Mummy Laid an Egg have?
Mummy Laid an Egg has 40 pages.
How do you know when your green anole has laid her egg or eggs?
i know when they have eggs its when the female is always by the place she lad her eggs
