Application of SNP (Single Nucleotide Polymorphism) molecular marker related to pig chest circumference and waist circumference

By identifying SNP molecular markers related to pig bust and waist circumference, providing genotype identification methods, solving the problem that traditional breeding methods are difficult to improve pig bust and waist circumference, achieving rapid and effective genetic improvement, and improving pig meat production ability and feed conversion efficiency.

CN119710014AActive Publication Date: 2025-03-28SOUTH CHINA AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202411741952.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-03-28
Estimated Expiration
2044-11-29

AI Technical Summary

Technical Problem

Traditional breeding methods are difficult to effectively improve the bust and waist circumference of pigs. These two complex quantitative traits are regulated by multiple genes, resulting in a long time-consuming and minimal effectiveness.

Method used

By identifying specific SNP molecular markers (T>G mutation sites) located on pig chromosome 1, this SNP molecular markers are significantly related to the bust and waist traits of pigs, providing identification methods with genotypes TT, TG or GG, thereby achieving genetic improvement in pigs.

Benefits of technology

By bred pigs with SNP molecular marker genotype GG, the pig breeding process can be accelerated, genetic improvement of pigs can be achieved, and the bust and waist circumference of pigs can be improved, thereby improving pigs' meat production capacity and feed conversion efficiency.

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Abstract

The invention discloses an SNP molecular marker related to pig chest circumference and waist circumference and application of the SNP molecular marker, the site of the SNP molecular marker is located at the 62nd site from the 5'end of a nucleotide sequence shown as SEQ ID NO: 1 and corresponds to the 167553481bp site on a chromosome 1 of an international pig reference genome version 11.1, and Tgt exists at the site; g mutation. The SNP molecular marker provided by the invention is remarkably related to the chest circumference and waistline characters of the pig, the identification of the chest circumference and / or waistline characters of the pig can be realized by identifying the genotype of the SNP molecular marker, and the breeding process of the pig can be accelerated and the genetic improvement of the pig can be realized by breeding the pig of which the genotype of the SNP molecular marker is GG.
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