1 is rich in nutrients such as protein, zinc, iron, vitamin B2, trivalent iron, etc. It has high edible value and can be easily digested and absorbed by human body, thus playing the role of enriching blood and supplementing iron.

2. The nutritional components of duck blood are obviously higher than those of pig blood in energy, iron, potassium and phosphorus.

3. Duck blood is rich in iron, calcium and other minerals, and it is nutritious. Duck blood is salty and cold, which has the effect of enriching blood and detoxifying. Duck blood is rich in protein and many kinds of amino acids that cannot be synthesized by human body. It also contains high content of erythropoietin, iron and other trace elements and vitamins, which is an indispensable substance in the process of human hematopoiesis.