According to a certain economic purpose, after long-term domestication and selection, human beings have cultivated three varieties, namely, meat type, egg type and dual-purpose type.
1, meat
Representative ones are: Beijing Duck, Cherry Valley Duck, Gaudi Duck, Muscovy Duck and Tianfu Meat Duck.
2. Egg type
There are Shaoxing Duck, Jinding Duck, Ma Youxian Duck, Jiangnan 1, Jiangnan No.2 and Kaki-Campbell Duck.
3. Dual-purpose type
There are Gaoyou Duck, Jianchang Duck, chaohu duck Duck and Guixi Duck.
Population classification of extended data ducks;
1, drilling water duck
The mallard duck is the ancestor of most domestic ducks and one of the most popular game birds. The mallard flies from the south to the north to lay eggs in spring, and then flies to the south for winter in autumn.
After being domesticated by human beings, they lose the frivolity of migration, and people will not stop production and hatch in order to get more duck eggs. Over time, domestic ducks lose the ability to hatch eggs. It is distributed all over the world, mainly in inland waters, and is most common in temperate regions of the northern hemisphere.
2, diving duck
Diving ducks include most marine species, such as eiderdown ducks and scoter. Including merganser. Generally grown in Australia.
3. Habitat ducks
Habitat ducks, such as Moscow ducks, have long claws and are favorite arboreal ducks. The family of hard-tailed ducks, represented by red ducks, is very aquatic, and its characteristic is that its legs are directly behind its body. Singing ducks are not real ducks, but closer to geese and swans. This family is widely distributed, especially in the tropics.