2. Duck sausage is one of the internal organs of ducks, and it is also the ingredient used in many dishes, which has a good maintenance effect on human digestive system and vision.
3. Duck sausage is rich in vitamins, protein, fat and calories, and its taste is crisp, so it is a popular visceral food. However, the cleaning of duck intestines is more troublesome, and it needs patient cleaning before eating.
4. Usually, duck intestines with good quality are generally milky white, with a lot of mucus, light smell, toughness and no feces. If the color is dark, light green or grayish green, the tissue is soft, inflexible, with less mucus and heavy smell, it means that the quality of duck intestines is poor, or even deteriorated.