QUAIL EGGS FOR SALE HATCHING FOR DUMMIES

As the chick develops you will see an increase in size of the pocket of air at the top on the egg; this is known as the air-sac and is also divided in the chick by a membrane. if the chick is because of hatch it breaks in to the air-sac, this is called internally pipped and gives the chick all-around two days of oxygen previous to piping the shell