Most of the common duck eggs are laid by farmed ducks in inland lakes and small berths, while the sea duck eggs are laid by naturally stocked sea ducks in coastal cities.
2. The feed is different
Ordinary duck eggs generally feed on artificial feed or freshwater fish in the lake. In order to ensure their quality and spawning quantity, artificial feed is mainly used.
Sea duck eggs are laid by sea ducks that are naturally stocked in coastal cities. They mainly feed on small fish, shrimp, snails and crabs in the sea. They are all natural, without additives and hormones. This kind of sea duck is very fat
3. Different nutritional values
Eating sea duck eggs is beneficial to human body, which can not only soften blood vessels, prevent cardiovascular and cerebrovascular diseases, but also improve memory and delay aging. The key point is that it is not only nutritious, but also has a cholesterol content of only 50% of that of eggs. The nutritional value of ordinary duck eggs is far less than that of sea duck eggs.
Extended data:
evaluation criterion
The redder the yolk, the thicker the egg white and the thicker the eggshell, and vice versa.
The products produced in spring, summer and autumn with good weather conditions are the best, followed by those produced in winter or typhoon weather.
Shallow sea beaches with mud type, abundant seaweed or large mangroves are the best, while bare sandy beaches are of poor quality.
Low-density and small-group scattered stocking is the best, and the quality of large-group high-density stocking products is the second.
References:
Baidu encyclopedia-duck eggs