Gene screening and combining method for high-quality, high-resistance and rapid-propagation chickens

Abstract

The invention relates to the technical field of gene screening, and discloses a gene screening and combining method for high-quality, high-resistance and rapid-propagation chickens. The method comprises the following steps: chick selection: robust individuals with good umbilical region shrinkage are selected and reserved; a basic group is used for breeding a pure line or synthesizing a new line, and an adopted breeding method comprises the steps that the chickens are independently bred in a breeding cage or a breeding room, a hen is put in the breeding cage or the breeding room, after mating, the hen is taken out and replaced with another hen, and in order to guarantee the excellent fertilization rate, each hen is put in the breeding cage or the breeding room at least for mating once every week; the chickens are selected for the first time at the age of 5 weeks, and the chickens with defective legs, skeletons and the like and poor feather coverage are strictly eliminated; strains are strictly selected again before the the chickens enter an egg laying shed, and any chickens with defective legs and skeletons, hunchback and bad broken beaks are removed. The cost required for researching chicken genes with modern technologies such as genetic markers and gene chips can be saved, and screening of high-quality, high-resistance and rapid-propagation chicken genes is realized by adopting a scientific mating breeding and feature screening mode.

Description

technical field [0001] The invention relates to the technical field of gene screening, in particular to a gene screening and combination method of high-quality and high-resistance rapid breeding chickens. Background technique [0002] It is understood that with the help of their advantages in the field of genomics, Chinese scientists have actively participated in major international scientific cooperation projects and played a leading role in project topic selection and direction. For example, in the study of domestic chicken genome polymorphism, under the auspices of Chinese scientists, it is proposed to use the black-bone chicken (also known as black-bone chicken, bamboo silk chicken) which is a unique chicken breed in my country and has traditional medical value as one of the research objects. The red jungle fowl, which is the object of genome research, has 38 pairs of autosomes and two sex chromosomes. The deep frame map of the chicken genome covers 1.05 billion nucleot...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the present invention provides a high-quality, high-resistance rapid-breeding chicken gene screening and combination method, which can save the cost of researching chicken genes due to modern technologies such as genetic markers and gene chips, and adopts scientific mating breeding and characteristic The method of screening realizes the advantages of screening of high-quality, high-resistance and rapid-breeding chicken genes, and solves the problem of using modern technologies such as genetic markers and gene chips, which are currently used to study the law of chicken gene expression, which are costly. Problems in Screening Genes of Rapid Breeding Chickens