An estimate would be 20-25 days.
A boiled egg can last for about one week in the refrigerator before it goes bad.
Guinea and chicken eggs can not be refrigerated and stay fertile.
1 week
an Ovum You probably have several of them in your refrigerator right now. Have a look at a chicken egg.
The egg, 1st of all because there were eggs long before birds, but if you mean a chicken's egg then it is still the egg. This is because when a new species evolves, the egg is say, given birth to a sub-chicken, and the new species (chicken) is inside the egg, which is techically now a chicken's egg.
Nothing, as long as it is not rotten, it is just like eating a chicken egg. A chicken is a bird.
A hard-boiled egg can typically be kept in the refrigerator for up to one week before it spoils.
a week
Eggs left warm will age in one day what it would take 7 days in refrigerator to do. If an egg smells fine, the color is normal, and the yolk is still intact, then the aging process has not destroyed it.
The egg. Dinosaurs laid eggs long, long before chickens existed.
A hard-boiled egg can be kept in the refrigerator for up to one week before it goes bad.
The egg came first... kind of. Basically, a long, long time ago two birds that weren't really chickens created the first chicken egg.