<Li> U.S. Grade A <Ul> <Li> Eggs have characteristics of Grade AA eggs except the whites are "reasonably" firm . </Li> <Li> This is the quality most often sold in stores . </Li> </Ul> </Li> <Ul> <Li> Eggs have characteristics of Grade AA eggs except the whites are "reasonably" firm . </Li> <Li> This is the quality most often sold in stores . </Li> </Ul> <Li> Eggs have characteristics of Grade AA eggs except the whites are "reasonably" firm . </Li> <Li> This is the quality most often sold in stores . </Li>

When were eggs first produced in the us