The large shelduck is a meat-type duck with the characteristics of fast growth, high egg production, strong adaptability, and good meat quality. Large shelducks are usually larger in size, have plump feathers and bright colors, and have high economic value. They are usually used to produce duck meat, duck eggs and other products, and are one of the main sources of duck meat and duck eggs.

Large-bred shelduck has a long history of breeding in my country and is one of my country’s traditional meat duck breeds. As people's demand for duck meat and duck eggs continues to increase, the scale of large-breed shelduck breeding is also expanding. At the same time, with the continuous improvement of breeding technology, the quality and yield of large-breed shelducks are also constantly improving.