Calories of salted duck eggs: 190.00 kcal/1 00g1.Duck eggs contain nutrients such as protein, phospholipids, vitamin A, vitamin B2, vitamin B 1, vitamin D, calcium, potassium, iron and phosphorus. 2. The content of protein in duck eggs is the same as that in eggs, which has the function of strengthening the body; 3. The total amount of various minerals in duck eggs is much more than that in eggs, especially the iron and calcium urgently needed in the body are abundant in salted duck eggs, which is good for bone development and can prevent anemia; 4. Duck eggs contain more vitamin B2, which is one of the ideal foods to supplement B vitamins. The calorie of a boiled egg is about 80 calories, while the calorie of a fried egg is about 120 calories.