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Auto-sexing breeding method of early-maturing excellent type yellow-shank partridge chickens

The invention provides an auto-sexing breeding method of early-maturing excellent type yellow-shank partridge chickens. The method comprises the steps that a Qingyuan partridge chicken rapid-feathering line which grows fast in early stage, a Qingyuan partridge chicken slow-feathering line which has prominent reproductive performance and a Guangxi partridge chicken rapid-feathering line are adopted, the grandparent generation selects cocks and hens of the Qingyuan partridge chicken rapid-feathering line, the paternal line selects cocks of the Qingyuan partridge chicken slow-feathering line, and the maternal line selects hens of the Guangxi partridge chicken rapid-feathering line; the parent generation selects cocks of the Qingyuan partridge chicken slow-feathering line, and the female parent selects yellow-shank slow-feathering hens produced by hybridizing the cocks of the Qingyuan partridge chicken slow-feathering line with the hens of the Guangxi partridge chicken rapid-feathering line; for slow-type early-maturing excellent yellow-shank partridge chickens, the cocks are slow-feathering cocks, the hens are rapid-feathering hens, and autosexing is achieved according to the feathering speed. Compared with traditional Qingyuan partridge chickens, commercial generation autosexing according to the feathering speed is achieved, the market age of the hens is 10 days ahead of schedule, the egg laying performance of the parental generation can be improved by 15% or above, the feed conversion rate is decreased by 0.2, and the breeding profit is increased.
Owner:李华
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