The milk eggs within 7 days of the first birth of the charcoal spring pullet are also called eggs, which are very precious compared to a hen's life. They are small in size and few in number. The eggshell is hard and contains high calcium, the egg white is thick, the protein concentration is high, and the taste is delicious. The nutrient content is 8-10 times that of ordinary native eggs. Can meet the needs of pregnant women and maternal colostrum for calcium, protein, vitamins and trace elements!