Breeding method of high-yield variety with green (black or yellow) shank and recessive white feather

A technology of recessive white feathers and breeding methods, applied in the field of breeding, can solve the problems of low egg production rate, influence of meat flavor, heavy chicken body, etc., and achieve the effect of high egg production rate and excellent meat quality and meat flavor.
CN1547900AInactive Publication Date: 2004-11-24HENAN AGRICULTURAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HENAN AGRICULTURAL UNIVERSITY
Publication Date
2004-11-24
Estimated Expiration
Not applicable · inactive patent
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Abstract

The breeding process of high-yield variety with green (black or yellow) shank and recessive white feather includes the following steps: hybridization between recessive white feather chicken or green (black or yellow) shank and recessive white feather chicken and high-yield brown-shell egg or white-shell egg chicken to obtain F1 generation hybrid individuals; selfing reproduction of F2 generation with the F1 generation and selecting green (black or yellow) shank and white feather chicken W; test crossing green (black or yellow) shank yellow chicken with W, selecting green (black or yellow) shank and pure white feather hem and cock and self-reproduction to produce Y; repeated test cross and selection to obtain recessive white feather chicken individuals; and self-reproduction to expand colony, constitute genealogy and obtain new chicken variety of high-yield variety with green (black or yellow) shank and recessive white feather.
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Description

technical field

[0001] The invention relates to a breeding method for chickens, in particular to a breeding method for a new high-yield variety with blue (black or yellow) shanks and recessive white feathers, and belongs to the technical field of breeding. Background technique

[0002] There are many local chicken breeds in my country, and some of these breeds have the following characteristics: beautiful appearance, yellow or ephedra feathers, green (black or yellow) shank and beak, tender meat, delicious meat, mellow soup, full of nutrition. At present, in the matching production of native chickens with yellow (hemp) feathers in my country, the female parent's matching line mostly adopts fast and large recessive white feathers imported from abroad, so there are the following problems: (1) the introduction cost is high; (2) it is easy to introduce new diseases (3) the introduced fast large recessive white feather chicken has a large body weight, low egg production rate, and ...

Claims

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