Pig blood is known as? Liquid meat? Duck blood has a higher nutritional value than pig blood. Duck blood has the effect of preventing the human body from iron deficiency, duck blood in the iron content is relatively high, and duck blood is with heme iron, people in the consumption, it is easy to be absorbed by the human body, and to be utilized. Especially in the growth and development of children, or is in the breastfeeding period of women, should eat more of these dishes, it can play a role in the prevention of iron deficiency caused by anemia, to prevent suffering from coronary heart disease and arteriosclerosis of this kind of disease.

Duck blood also has the effect of removing human body dirt, such as dust and harmful metal residues left in the human body, people eat duck blood, duck blood contains protein, after the decomposition of gastric acid in the body, will bring a kind of disinfection of the material, it will be with the human body residues of some of the dirt biochemical reaction, and then, the human body through the excretion of the way to the harmful substances outside of the human body. Duck blood also contains vitamin K. Consumption of duck blood can make the human blood coagulate and have a hemostatic effect. Duck blood is very helpful for people who are sick and need to recuperate at a later stage. It can provide the human body with many trace elements, which is very good for malnutrition or suffering from cardiovascular disease of such people conditioning.

In animal blood, duck blood and pig blood has been known as a good food for blood, for this point, nutrition experts are also very agreeable, pig blood and duck blood, both in the protein and vitamin content is not a big difference. However, they differ in the content of trace elements, pig blood contains elements of iron and potassium than duck blood is much lower, a scientific study shows that 100 grams of pig blood containing iron content is 8.7mg, while 100 grams of duck blood content is 31.8mg. from the data can be seen, pig blood and duck blood, from the nutritional value, duck blood is better than pig blood to come.

According to the study, the difference in nutritional value between the two is also reflected in the amount of phosphorus, sodium and cholesterol, pig's blood is lower than duck's blood, so in terms of nutritional composition, duck's blood will be more nutritious than pig's blood. Therefore, according to the different needs of the human body, should choose different animal blood.