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Method for establishing Bian chicken quick-grow type AA strain and slow-grow type GG strain colony

A slow-growing type and strain technology, which is applied in the field of establishing fast-growing AA strains and slow-growing GG strains of side chickens, can solve the problems of decreasing numbers, endangered varieties, and disorderly mating, etc., and achieves the effect of reasonable design.

Inactive Publication Date: 2013-12-04
INST OF ANIMAL HUSBANDRY & VETERINARY SCI SHANXI ACAD OF AGRI SCI SAAS
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Problems solved by technology

However, due to the low production level of local poultry species, that is, low reproduction rate, high feed consumption, slow early growth, poor fattening effect and a large number of foreign poultry species, they are randomly mated, resulting in the degradation of the quality of local poultry species and the reduction in quantity , and even some fine varieties are on the verge of extinction

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  • Method for establishing Bian chicken quick-grow type AA strain and slow-grow type GG strain colony
  • Method for establishing Bian chicken quick-grow type AA strain and slow-grow type GG strain colony

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Embodiment Construction

[0018] Specific embodiments of the present invention will be described in detail below.

[0019] A kind of method for setting up side chicken fast-growing type AA strain and slow-growing type GG strain population, comprises the steps:

[0020] (1) In the seventh-generation hemp-feather single-comb line chicken flock bred in closed-group families, 299 hen blood samples and 81 rooster blood samples were collected from the core flock of the seventh-generation side chicken. According to the previously established Bian chicken MSTN gene G2283A site detection method (PCR-RFLP), the MSTN genotype of the blood sample was checked, the PCR product was digested with BbvI, and the sample containing the 162bp target fragment was named Kuaichang Genotype AA; the sample containing the 127bp target fragment was named the slow-length genotype GG, and the AA and GG individuals in the hemp-feather single-comb line of Bian chicken were determined. Of the 299 blood samples from hens, 75 were AA, ...

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Abstract

The invention relates to poultry breeding, in particular to a method for establishing a Bian chicken quick-grow type AA strain and slow-grow type GG strain colony. In a seventh Bian chicken colony of hemp-feather single-comb strain bred in an atresia colony family, the function locus where the myostatin (MSTN) gene affects muscle growing of Bian chickens is determined, the PCR-RFLP technology is used for detecting the genotype of the G2283A locus of the MSTN gene, a male chicken colony and a female chicken colony with the quick-grow genotype (AA) and the slow-grow genotype (GG) are selected for breeding, and the quick-grow type (AA) strain and slow-grow type (GG) strain colony is cultured. The average weights of male chickens and female chickens of 6 years, 8 years, 10 years, 12 years, 14 years and 16 years of the quick-grow type (AA) strain are obviously about 10% higher than those of the male chickens and female chickens of the same period of the slow-grow type (GG) strain.

Description

technical field [0001] The invention relates to poultry breeding, in particular to a method for establishing groups of fast-growing AA strains and slow-growing GG strains of side chickens. Background technique [0002] China's poultry genetic resources are precious natural resources of local poultry breeds as well as extremely valuable economic resources. The genetic diversity of local poultry breeds is the genetic basis for future poultry breed improvement and adaptation to changes in productivity conditions, and is the basic basis for protecting the sustainable development of animal husbandry and formulating rational industrial development policies. However, due to the low production level of local poultry species, that is, low reproduction rate, high feed consumption, slow early growth, poor fattening effect and a large number of foreign poultry species, they are randomly mated, resulting in the degradation of the quality of local poultry species and the reduction in quan...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02
Inventor 丁馥香张跟喜魏清宇张丽李培峰王金玉叶红心崔少华
Owner INST OF ANIMAL HUSBANDRY & VETERINARY SCI SHANXI ACAD OF AGRI SCI SAAS
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