Method for rapidly screening and propagating improved variety genes of dairy cows

The method for rapid screening and propagation of high-quality dairy cow genes, which combines whole genome sequencing technology with artificial insemination, solves the problem of insufficient speed and efficiency in the existing technology of high-quality dairy cow propagation, realizes the efficient transmission of excellent genes and scientific evaluation of genetic quality, and improves the production efficiency of dairy cattle farming.

CN120624666APending Publication Date: 2025-09-12INST OF ANIMAL SCI & VETERINARY TIBET ACADEMY OF AGRI & ANIMAL HUSBANDRY SCI
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Patent Information

Application Number
CN202510734766.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2025-09-12

AI Technical Summary

Technical Problem

In the existing technology, the process of breeding high-quality dairy cows requires frequent artificial insemination and genetic testing, which results in insufficient speed and efficiency in breeding and makes it difficult to quickly screen and breed high-quality genetic traits.

Method used

Whole genome sequencing technology is used to screen genes related to excellent traits. Combined with artificial insemination and embryo transfer technology, through the management of dairy cow gene database, genetic screening and propagation of individual dairy cows are carried out, including sample collection, genetic testing, superovulation, artificial insemination, embryo transfer and genetic quality assessment. Pedigree charts are constructed and genetic parameter estimation and selection index calculation are performed.

Benefits of technology

It improves the transmission efficiency and conception rate of excellent genes, shortens the breeding cycle, realizes the scientific and efficient evaluation and management of the genetic quality of dairy cows, and improves the production efficiency and economic benefits of dairy cattle farming.

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Abstract

The invention discloses a cow improved variety gene rapid screening and propagation method, and relates to the technical field of cow improved variety rapid propagation, the cow improved variety gene rapid screening and propagation method comprises the following operation steps: S1, sample collection; s2, screening improved variety genes; s3, carrying out primary propagation; s4, index determination; s5, evaluating genetic quality; and S6, result evaluation and propagation application. According to the rapid screening and propagation method for the improved variety genes of the dairy cows, after genetic quality evaluation, selection and propagation of the dairy cows of the next generation can be conveniently carried out according to the genetic quality evaluation result, the genetic quality of the dairy cows is comprehensively and accurately evaluated, the breeding process is more scientific and efficient, excellent breeding bulls and breeding cows can be found in time, and the breeding efficiency of the dairy cows is improved. Powerful decision support is provided for rapid propagation of improved variety genes, so that individuals with excellent gene combinations can be accurately screened out, the breeding period is greatly shortened, the selection accuracy is improved, and the production benefit and the economic benefit of cow breeding are further improved.
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