Old ducks have high nutritional value. Old duck meat contains protein, fat, carbohydrates, various vitamins and minerals. The content of protein is about 16-25%, which is much higher than that of livestock meat. The fat content of old duck meat is moderate, lower than that of pork, easy to digest and evenly distributed in the whole body tissue. Old duck meat contains a lot of B vitamins and vitamin E. Different from livestock meat, old duck meat has the highest potassium content and also contains a lot of trace elements such as iron, copper and zinc.

The medicinal value of old duck meat has always been respected by people, and old ducks are treasures.

1. Old duck tastes sweet and slightly salty, and it is cold. Entering the spleen, stomach, lung and kidney meridians, it has the effects of clearing away heat and toxic materials, nourishing yin and reducing fire, nourishing yin and tonifying deficiency, stopping dysentery and diuresis, and reducing swelling. It has protective effect on heart diseases such as myocardial infarction, and can resist beriberi, neuritis and various inflammations. Can be used for treating diseases such as edema due to yin deficiency, fatigue, inappetence, asthenia, invigorating spleen, clearing away heat and nourishing yin, constipation, anemia, edema, tuberculosis, malnutrition and edema, and chronic nephritis. Has nutritional function.

2. Its auxiliary materials such as duck blood, duck liver, duck gall and duck egg white also have medicinal value. People often eat a variety of nutrients, which can not only supplement human nutrition, but also dispel summer heat, protect health and strengthen the body, and is more suitable for the weak and sick. People who know how to keep in good health like to drink a bowl of old duck soup.