In general, salted duck eggs contain more salt, cooked is not easy to be bacterial growth, but at room temperature can only be preserved for about 2-5 days, if placed in the refrigerator to save, can be stored for about a month.

Salted duck eggs are rich in nutrients, rich in fat, protein and all kinds of amino acids, calcium, phosphorus, iron, all kinds of trace elements, vitamins and so on, easy to be absorbed by the human body, moderately salty, suitable for both young and old. Eggshells are green in color, round and smooth in appearance, also called "green eggs". Salted duck eggs is a special flavor, easy to eat remade eggs, salted duck eggs are good with meals, color, aroma and taste are very attractive.