Winter geese, white plumage, orange, orange, orange, blue and gray eyes, semicircular orange sarcoma in forehead, goose sarcoma is small, not very obvious. The average weight of the adult goose is 5.8 kg and that of the adult female goose is 3.5-4 kg. The male goose is sexually mature for 160 days. The goose goes into production for 180 days. The average annual egg production is 80 pieces, and the high-yielding female geese have more than 100 eggs and the egg production period is as long as 240 days. The average egg weight was 148.8 grams, the fertilization rate of eggs was 85%, and the hatching rate of fertilized eggs was about 89%. Male to female breeding ratio of 1:4. The winter goose is a kind of meat and egg, which has a fast growth in the early stage, high meat production, and good meat quality. It is very popular among consumers at home and abroad, and the prospect of foreign exchange earning through exports is broad. Adult geese produce high plumage. The feathers are white and the economic value is obvious. At present, the winter geese are only farmed in sporadic areas in northwest Yunnan.
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