Quick balanced breeding method of chicken breeds with high quality

A variety and fast technology, applied in animal husbandry and other directions, can solve problems such as restricting the breeding of high-quality chickens, and achieve the effect of meeting requirements, improving growth rate and fast growth rate.

Active Publication Date: 2015-05-27
HENAN AGRICULTURAL UNIVERSITY
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Problems solved by technology

This is the technical bottleneck restr...

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Embodiment 1

[0036] The rapid balanced breeding method of the blue shank broiler variety of the present embodiment, the specific operation steps are:

[0037] (1) Rapid breeding of new broiler strains:

[0038] Ⅰ: Rapid breeding of high-quality green shank and jute feather broiler strains containing 50% native chicken blood:

[0039] 1) The F1 generation chicken was produced by using the A-line rooster of the grandparental parent of Kuaida broiler Ross 308 as the male parent and the Gushi chicken as the female parent;

[0040] 2) Using the F1 generation chickens obtained in step 1) to self-cross to generate F2 generation chickens.

[0041] 3) Using molecular markers of blue shanks and dominant white feathers, diagnosing the target traits on the 1-day-old chicks of the F2 generation, and screening jute feather male and female hens homozygous for the blue shanks;

[0042] 4) The homozygous jute feather male and hen individuals screened in step 3) are cross-fixed and multiplied, and a famil...

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Abstract

The invention discloses a quick balanced breeding method of chicken breeds with high quality, and belongs to the technical field of poultry breeding. The method comprises the steps of crossing meat chicken cultivated including 50% of blood relationship of local chicken and meat chicken including 75% of blood relationship of the local chicken in a supporting way to obtain a meat chicken breeding series including 62.5% of blood relationship of the local chicken. The external blood relationship content proportion of the local chicken and fast-growing chicken of the breeding series can well balance the negative correlation of inheritance between the meat quality and the growing speed, the inherit meat quality and flavor of the local chicken can be kept maximally when the growing speed can be improved, and the optimized high yield and high quality can be realized; furthermore, either progenitor male parent or female parent pure line of the combination of foreign varieties can be introduced by importing the foreign blood relationship, so as to reduce the determination on combining ability, and accelerate the homozygosis of genotype; in addition, an auxiliary selecting technology of a molecular marker is adopted to develop early selection, therefore the generation interval can be shortened, and the breeding progress can be accelerated.

Description

technical field [0001] The invention belongs to the technical field of poultry seed production, and in particular relates to a rapid and balanced breeding method for high-quality chicken varieties. Background technique [0002] For nearly half a century, with the continuous progress of poultry genetic improvement and feed nutrition research, the poultry industry has made great progress. The accelerated growth rate of broilers and the improved feed conversion rate have made chicken the second largest meat consumption product after pork in China. However, with the gradual improvement of people's living standards, consumers' demand for meat is no longer limited to quantity, but higher requirements are put forward for the sensory, tenderness and flavor of chicken. How to solve the outstanding contradiction between the improvement of yield and the decline of meat quality has become a practical problem to be solved urgently in front of the majority of breeders. [0003] my count...

Claims

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Application Information

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IPC IPC(8): A01K67/027
CPCA01K67/027
Inventor 康相涛蒋瑞瑞李转见刘小军王彦彬田亚东孙桂荣韩瑞丽李国喜闫峰宾
Owner HENAN AGRICULTURAL UNIVERSITY
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