7 to 14 days
The freshness of the eggs determines the hatching rate.
The eggs storage life are no more than 14 days in winter,
and storage life no more than 7 days in summer,
and storage life no more than 10 days in spring and autumn;
Hatchability decreases rapidly when eggs are stored for more than 10 days.
Use a digital egg incubator can improve the hatching rate.
