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A rapid and balanced breeding method for high-quality chicken breeds

A variety and fast technology, applied in animal husbandry and other fields, can solve the problems that restrict the breeding of high-quality chickens, and achieve the effect of meeting the requirements, increasing the growth rate and fast growth rate

Active Publication Date: 2017-08-25
HENAN AGRICULTURAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

This is the technical bottleneck restricting the breeding of high-quality chickens

Method used

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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 rapid and balanced breeding method for high-quality chicken breeds, and belongs to the technical field of poultry seed production. In this method, the bred broiler chicken strain containing 50% local chicken blood and the broiler chicken strain containing 75% local chicken blood are crossed and matched to obtain a broiler chicken matching line containing 62.5% local chicken blood. The proportion of outer blood content can well balance the genetic negative correlation between meat quality and growth rate. While increasing the growth rate, it can maintain the inherent meat flavor of local chickens to the greatest extent, and achieve optimal high yield and high quality. Further, the introduction of foreign bloodlines uses the paternal or female pure lines of the imported foreign breeds to reduce the determination of combining ability, speed up the homozygous genotype, and use molecular marker-assisted selection technology to carry out early selection and shorten the generation interval , to speed up the breeding process.

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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Patent Type & Authority Patents(China)
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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