under normal circumstances, fresh duck blood can be eaten by boiling for 15 minutes.

Duck blood is boiled for a short time, and the ingredients in it are not fully cooked. It may taste bloody and affect the taste of duck blood.

if duck blood is boiled for too long, it may cause the loss of nutrients in it, and the taste is old. Duck blood is rich in nutrients, which can supplement the nutrients needed by the human body, but some can't eat more. Eating too much may lead to bad digestion of the gastrointestinal tract, which is not conducive to normal health. Duck blood can be mixed with certain ingredients to cook soup, which can also play a nourishing role to a certain extent.