Breeding method and application of a new line of recessive white feathers in Qiandongnan small fragrant chicken

A technology of recessive white feathers and breeding methods, applied in the field of breeding, can solve the problems of low cohesion, low egg production, and small size of white feather chickens, and achieves high disease resistance, improved egg production rate, and reduced material consumption ratio. Effect
CN104823919BActive Publication Date: 2017-03-15GUIZHOU INST OF ANIMAL HUSBANDRY & VETERINARY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUIZHOU INST OF ANIMAL HUSBANDRY & VETERINARY
Publication Date
2017-03-15

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Abstract

The invention discloses a cultivation method and application of a new recessive white-feather strain of Qiandongnan Xiaoxiang chicken. The method is carried out according to the following steps: (1) F1 generation is self-bred with white-feathered chicken isolated from Qiandongnan Xiaoxiang chicken; (2) According to molecular marker-assisted selection, select individuals with the recessive homozygous allele of ii from the F1 generation; (3) Testcross the F1 with the Sanhuang chicken pure line or other colored feather chicken pure lines, and eliminate the F1 The dominant white-feather individuals and colored-feather individuals separated from , combined with the detection results of step (2) to select recessive homozygous individual male and female chickens, and then self-propagation to produce B; (4) according to the method of step (3) , carry out repeated test crossing and breeding for W in step (3), and continuously eliminate and isolate dominant white feather individuals and colored feather individuals; carry out self-propagation and expansion of the selected recessive white feather individuals, form families, and breed recessive white feather individuals. A new strain of white feathers.
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Description

technical field

[0001] The invention relates to a breeding method and application of a new recessive white feather strain of Qiandongnan small fragrant chicken, which belongs to the field of breeding technology. Background technique

[0002] Qiandongnan small fragrant chicken is one of the excellent local poultry breed resources in Guizhou. It is mainly produced in Congjiang, Rongjiang and Liping counties and adjacent areas of Guizhou Province. It is famous for its "smallness, earthiness and fragrance". In the process of breed selection and germplasm innovation for many years, white feather individuals were found, accounting for about 3-5% of the total chicken flock. The breed characteristics of this group are obvious, the whole body is covered with pure white feathers, most of them are flat head and single crown, and the beak and shank are black Brown, with white or black flesh, a few individuals have shin feathers, commonly known as hakama chicken; this chicken has the adv...

Claims

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