Shaoxing duck, referred to as Shaoxing duck, also known as Shaoxing duck, is an excellent egg-type small-sized duck breed in China. After long-term purification and rejuvenation, pure breed breeding, the two lines of white winged (WH) and red hairy (RE) lines were formed. At present, it has been raised in many parts of the country. Shao Shao duck has the characteristics of high egg production, high feed utilization rate, good hybridization and utilization effects, and strong adaptability to various environments.
First, appearance characteristics
The WH system is based on light brown sparrow hair. There is a white feather ring 2 to 6 centimeters wide in the middle of the neck. The feathers on the main wing and on the abdomen and buttocks are white. The enamel, emu, and eaves are orange, iridescent gray and blue. Yellow; The male duck's feather is based on light maroon, the head and neck upper and tail feathers are dark green, shiny, and a small amount of feathers, the same as the mother duck. The ducklings are light yellow with 40 g. RE is the main body of the duck body brown freckled feathers, brown chest and abdomen, mirror feathers dark green, shiny, grayish yellow, black kidney beans, rainbow color Heshi, skin light yellow, bright orange. Most of the drake's feathers are maroon, yellowish-yellow, blue, upper head and neck, feathers and tail feathers are dark green, shiny. Ducklings are soft, dark yellow with blackheads, black ridges, and black tails. Shell weight 42 grams.
Second, production performance
In the WH system, the egg age is 97 days, and the production date is 132 days, reaching 90% of the egg production rate at the age of 178 days, 90% of the egg production rate is maintained at 215 days, and 500 eggs are produced at 291.5 eggs at the age of 500 days. Weight 21.07 kilograms, egg weight 69 kilograms, egg production ratio of 2.6:1 during laying, egg production survival rate of 97%.
RE was 104 days old and 134 days old, reaching 90% of the egg production rate at the age of 197 days, 90% of the egg production rate was maintained at 180 days, 500 eggs were produced at 305 eggs, and the total egg weight was 20 .36 kilograms, 72 kilograms of egg weight, 2.64:1 ratio of laying eggs during laying, and 92% survival rate during laying.
There was no significant difference in reproduction performance between the WH and RE lines. The male-female ratio was 1:15 to 25, the fertilization rate was 90%, the hatching rate of fertilized eggs was 85%, and the survival rate from hatching to 4 weeks of age was 95%.
Ducklings were hatched to identify male and female, male and female groups, ducks aged 60 to 70 days, weighing 1 000 to 1 200 g or so, and served as a market for ducks and ducks. The slaughter rate was 83%.