一种与肉羊体重性状相关的单倍型分子标记的应用

By using haplotype molecular markers related to the weight trait of meat sheep, large-weight Dumont sheep can be screened and bred in the early stage, solving the problem of low efficiency in traditional breeding and achieving the effect of rapidly increasing the weight of offspring.

CN121951086BActive Publication Date: 2026-07-17INNER MONGOLIA AGRICULTURAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INNER MONGOLIA AGRICULTURAL UNIVERSITY
Filing Date
2026-04-03
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional methods are inefficient in selecting for weight traits in meat sheep breeding, making it difficult to conduct accurate screening in the early stages, which affects the production performance and breeding efficiency of meat sheep.

Method used

By using haplotype molecular markers associated with the weight trait of meat sheep, and by detecting the genotype of meat sheep at specific gene loci, individuals with large weights are screened out and used as parents for breeding to improve the weight of offspring.

Benefits of technology

It enables early and efficient screening of weight traits, shortens the breeding cycle, and improves the weight level of offspring, making it suitable for the rapid breeding of superior Dumont sheep.

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Abstract

本发明涉及遗传育种技术领域，具体涉及一种与肉羊体重性状相关的单倍型分子标记的应用，所述单倍型分子标记为SEQ ID NO.1所示的核苷酸序列和SEQ ID NO.3所示的核苷酸序列；所述SEQ ID NO.1的第101bp位点处的核苷酸为C或G；所述SEQ ID NO.3的第101bp位点处发的核苷酸为C或G；所述应用是指以下（1）和（2）中的任意一种；（1）鉴定肉羊的体重；（2）提高肉羊后代的体重。本发明提供的单倍型分子标记可用于肉用绵羊体重性状的早期鉴定与辅助选种，通过筛选单倍型组合为GGGG的个体作为亲本，能够有效提高后代的体重水平。
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Citation Information

Patent Citations

  • SNP (Single Nucleotide Polymorphism) molecular marker related to sheep body type as well as KASP primer and application thereof

    CN120866539A

  • MYH4 gene molecule marker for improved pork quality and use thereof in porcine genetic improvement

    WO2018218857A1