Gaoyou Duck, also known as Gaoyou Ma Duck, is one of the three famous ducks in China. Produced in Gaoyou, Jiangsu Province, it is an excellent variety in Jianghuai area of China and an excellent local variety for both egg and meat. Gaoyou duck is good at diving, rough feeding, strong adaptability, large egg head and good egg quality. In 2006, it was listed in the national protection list of livestock and poultry variety resources by the Ministry of Agriculture. It has successively obtained "National Geographical Indication Products" and "Certification Trademark", which indicates that Gaoyou Double Yellow Duck Eggs (Gaoyou Ma Duck produces double yellow, four yellow and above) have been among the ranks of "national protection".

Gaoyou Duck has been named as a national agricultural standardization demonstration zone product and a national native product, and was designated as a national product in 2005? The protected varieties of livestock and poultry genetic resources have entered the national gene bank of waterfowl germplasm resources.

3. Appearance characteristics

Gaoyou duck mother duck has brown feathers and small black spots, such as sparrow feathers; The main wing feathers are blue and black; Beaked beans are black; Dark brown with rainbow color; Tibia, webbed taupe, black claws. The drake is huge, with wide back and shoulders, deep chest and rectangular body. The feathers on the upper part of the head and neck are dark malachite green, and the back, waist and chest are brown reeds with black buttocks and white abdomen. The beak is blue-green, the toes are orange and the claws are black.

4. Variety show

Adult male ducks weigh 3 ~ 4 kg, and female ducks weigh 2.5 ~ 3 ~ 4 kg. These ducklings weighed 2.5 kilograms when they were two months old. The female duck 180 ~ 2 10 lays eggs at the age of 0/0, and lays about 169 eggs a year, weighing 70 ~ 80g, with white or green eggshells. Under grazing conditions, the average weight of 70-day-old duck can reach 65438±0.5kg, and the average weight of 50-day-old duck can reach 65438±0.78kg with compound feed. Gaoyou duck is resistant to coarse omnivore, has strong foraging ability, is suitable for grazing, grows fast, is easy to fatten and has good meat quality.

5. Distribution range

Mainly produced in Gaoyou, Baoying, Xinghua and other counties and cities in Jiangsu Province, and distributed in He Lixia area along the Beijing-Hangzhou Grand Canal in central Jiangsu Province.

6. Environment of origin

Gaoyou, Yangzhou City is located at 32 47 ′ north latitude and119 25 ′ east longitude. Located at the southern end of Jianghuai Plain, it belongs to subtropical humid monsoon climate. It has the characteristics of mild climate, abundant rainfall, distinct seasons, abundant sunshine and long frost-free period. Gaoyou is a plain water town, next to the wide Beijing-Hangzhou Grand Canal, with numerous lakes and beaches and hundreds of rivers criss-crossing. Rivers, lakes, ports and tributaries such as the Beijing-Hangzhou Grand Canal, gaoyou lake and Shaobo Lake are continuous, and the water surface accounts for more than one third of the total area of the region. There are a lot of fish, shrimp, snails, mussels and aquatic plants in lakes, ditches and grass beaches, which provide rich feed for Gaoyou ducks.