Introduction to the Characteristics and Farming Techniques of the Jingxi Large Hemp Duck Breed

Origin (or distribution): Jingxi, Debao, Napo and other counties in Guangxi.

Main characteristics: large body size, rectangular trunk, and plumage colors divided into three types, namely the dark hemp type (horse duck), the light hemp type (phoenix duck) and the black-and-white type (crow duck). Head plumage colors are respectively dark green, finely speckled black-and-white, and bright green; shanks and webs are respectively orange-red or brown, orange-yellow, and dark brown. Birth weight is 48 grams; adult body weight is 2.7 kg for males and 2.5 kg for females. Slaughter measurements: at 90 days of age, male ducks have a semi-eviscerated rate of 84.08% and a eviscerated rate of 72.77%, while female ducks have a semi-eviscerated rate of 80.21% and a eviscerated rate of 72.16%. They begin laying at 130-140 days, with an average annual egg production of 140-150 eggs and an average egg weight of 86.7 grams. Shell colors include both blue and white, and the egg shape index is 1.4. The male-to-female breeding ratio is 1:10-20, and the fertility rate of breeding eggs is about 95%.