A duck egg's calorie content comes from a mix of protein, fats and carbohydrates. Each egg contains 9 grams of quality protein, which your body can use to support your immune system and maintain healthy skin. This makes up roughly 15 percent of the daily protein intake for an average 150-pound person, according to guidelines published by the Iowa State University Extension. A duck egg also contains 9.6 grams of fat -- a concentrated source of energy -- as well as 1 gram of carbohydrates.
Salted duck eggs are a preserved food made of fresh duck eggs, containing rich nutrients such as fat, protein, various amino acids, calcium, phosphorus, iron, various trace elements and vitamins that are needed by the human body. With a moderate salty flavor, salted duck eggs are ready to eat and can serve as a delicious condiment whose color, flavor and taste are quite appealing. Comes in a pack of 4 pieces.