2. Different meat quality: most common ducks are captive poultry, which are kept in cages for a long time and rarely move around. Farmers feed them as food. Compared with mallard ducks, the meat is loose, and people often feed them hormones in order to accelerate their growth. Eating feed and food containing hormones for such a long time will have a great impact on the body, walking slowly and clumsily, and the nutritional value is lower.
3. The appearance is different: the adult mallard duck cortex has obvious grid pattern; The cortex of ordinary ducks looks loose and fat.
In addition, mallard mainly lives in reeds in rivers and lakes, and mainly eats fish, shrimp and shellfish. The mouth of mallard duck is green, and its meat contains protein, fat, carbohydrate, calcium, iron, phosphorus and eggs. , help to keep fit.