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Molecular-assisted-selection cultivation method for green-shin recessive-white-feather chicken line

A kind of recessive white feather chicken, molecular-assisted technology, applied in animal husbandry and other directions, can solve the problems of slow growth rate, low feed conversion rate, poor meat quality, etc., and achieve the effect of tender meat, delicious meat, and avoiding cumbersome effects.

Active Publication Date: 2014-02-19
HENAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Local chickens in my country have the characteristics of good meat quality, but their growth rate is slow and their feed conversion rate is low
However, although foreign fast and large broilers grow fast and have high feed conversion rates, their meat quality is poor.

Method used

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  • Molecular-assisted-selection cultivation method for green-shin recessive-white-feather chicken line
  • Molecular-assisted-selection cultivation method for green-shin recessive-white-feather chicken line
  • Molecular-assisted-selection cultivation method for green-shin recessive-white-feather chicken line

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Experimental program
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Effect test

Embodiment 1

[0034] The breeding method of the blue-shin recessive white-feathered chicken strain based on molecular assisted selection in the present embodiment comprises the following steps:

[0035] (1) Using the Qingshan recessive white feather chicken as the male parent and the white Laihang chicken as the female parent in the Gushi chicken population to perform crossbreeding to produce the F1 generation;

[0036] (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;

[0037] (3) Using the RFLP-PCR method of artificially introducing PvuII to determine the genotype of the F2 generation of blue-shined white-feathered male and female hens, specifically including the following steps:

[0038] ① Collection of samples

[0039] Collect venous blood from the chicken wings with green shanks and white feathers selected from the F2 generation, add 1 / 3 anticoagulant, extract blood DNA with p...

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Abstract

The invention discloses a molecular-assisted-selection cultivation method for a green-shin recessive-white-feather chicken line, and belongs to the technical field of molecular breeding. The molecular-assisted-selection cultivation method is adopted for authenticating the genotypes of dominant white feather sites of chickens, the genotypes of the dominant white feather sites can be rapidly determined, the green-shin recessive-white-feather chicken line with the genotypes being ii is produced, troubles of test cross breeding can be avoided, a generation interval is shortened, a breeding process is accelerated, and cultivation cost is reduced. The green-shin recessive-white-feather chicken line cultivated in the molecular-assisted-selection cultivation method has tender and delicious meat, is high in production performance, can be used as commercial chickens to be put into production directly, and can also be applied by being matched with green-shin jute-feather chickens.

Description

technical field [0001] The invention specifically relates to a method for cultivating a blue-shank recessive white feather chicken strain based on molecular assisted selection, and belongs to the technical field of molecular breeding. Background technique [0002] With the improvement of living standards, people's consumption concept has changed from the quantity type to the quality type. People's requirements for chicken meat quality are also getting higher and higher. Local chickens in my country have the characteristics of good meat quality, but their growth rate is slow and their feed conversion rate is low. Although foreign fast large broilers grow fast and have a high feed conversion rate, their meat quality is poor. In order to solve this problem, crossing foreign fast large broilers with domestic local high-quality broilers can not only improve the meat quality of foreign fast large broilers but also accelerate the growth rate and production performance of local hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/027
Inventor 康相涛杨朋坤孙桂荣王彦彬韩瑞丽田亚东李转见蒋瑞瑞吕世杰李国喜闫峰宾刘小军
Owner HENAN AGRICULTURAL UNIVERSITY
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