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Breeding method of a blue-shank dominant white-feathered broiler strain

A white-feathered broiler, dominant technology, applied in animal husbandry and other directions, can solve the problems of long cycle, cumbersome test-crossing process, and the influence of the size of the expansion group, etc., to achieve the effect of high production performance, overcoming the cumbersome test-crossing process, and speeding up the breeding process.

Active Publication Date: 2015-09-09
HENAN AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the test cross process is cumbersome, the cycle is long, and it will be affected by the size of the expanded group

Method used

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  • Breeding method of a blue-shank dominant white-feathered broiler strain
  • Breeding method of a blue-shank dominant white-feathered broiler strain
  • Breeding method of a blue-shank dominant white-feathered broiler strain

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Embodiment 1

[0035] In the present embodiment, the breeding method of the dominant white-feathered broiler chicken strain with green shank may further comprise the steps:

[0036] (1) Use Gushi pure line roosters as the male parent and Avian hen as the female parent to carry out crossbreeding to produce F1 generation chickens, eliminate a small number of individuals with colored feathers that appear in the hybridization, and select the F1 generation of blue feathers from the F1 white feather population. White-shined male and female hens;

[0037] (2) The F1 generation is self-crossed to obtain the F2 generation, and the F2 generation of green shin and white feather male and female chickens are selected;

[0038] (3) Determination of the genotype of the F2 generation of blue-shin and white-feathered chickens by AS-PCR method, specifically including the following steps:

[0039] ① Collection of samples

[0040] Take blood from the veins of the chicken wings with green shanks and white feat...

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Abstract

The invention discloses a method for selecting and breeding a green-shin dominant white-feather broiler chicken strain and belongs to the technical field of molecular breeding. The marker-assisted selection method is adopted for identifying the genotype of the locus of dominant white feathers of chicken, the genotype of the locus can be quickly figured out, and the defects that test cross is complex, generation intervals are long and the like in conventional breeding are overcome. According to the green-shin dominant white-feather broiler chicken strain with the genotype II is produced by adopting the method, the complexity of test cross selecting and breeding is avoided, the generation intervals are shortened, the process of breeding is accelerated, and breeding cost is lowered. Moreover, the meat quality of the chicken strain is fine and tender, the taste of the meat is delicious, production performance is high, carcasses of the chicken do not have colored feather vestiges, and therefore the carcasses look better. Besides, the strain is used as a male parent to hybridize and match a high-yield laying hen breed or a fast-growth broiler chicken breed, and high-yield green-shin dominant white-feather broiler chicken or fast-growth green-shin dominant white-feather broiler chicken can be produced.

Description

technical field [0001] The invention specifically relates to a method for selecting a blue-shin dominant white-feathered broiler strain, and belongs to the technical field of molecular breeding. Background technique [0002] my country's local chicken breeds are rich in resources, and its meat is tender and delicious, but it is mostly colored feathers such as yellow feathers and hemp feathers in appearance. For the chilled fresh chicken market, colored feather chickens often affect the appearance of the carcass because the feathers are not easy to remove after slaughter. For foreign fast and large white-feathered broiler chickens, the growth rate is fast and the carcass properties are good, but the meat quality is far inferior to that of local chickens in our country. Therefore, the cultivation of dominant white feather high-quality broilers is of great significance. [0003] In traditional breeding, the method of test crossing is often used, and the breeding is reserved a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/027
Inventor 康相涛闫峰宾韩瑞丽蒋瑞瑞杨朋坤刘小军李转见田亚东王彦彬王丹丹吕世杰孙桂荣李国喜
Owner HENAN AGRICULTURAL UNIVERSITY
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