Pig litter size related snp molecular marker and application thereof

By detecting SNP molecular markers on pig chromosome 13, the problem of pig litter size detection and selection has been solved, enabling efficient screening of high-yielding pigs and improving reproductive performance and economic benefits.

CN120158518BActive Publication Date: 2026-06-09AGRICULTURAL GENOMICS INSTITUTE AT SHENZHEN CHINESE ACADEMY OF AGRICULTURAL SCIENCES (SHENZHEN BRANCH GUANGDONG LABORATORY FOR LINGNAN MODERN AGRICULTURE)
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Patent Information

Application Number
CN202510427191.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-06-09
Estimated Expiration
2045-04-07

AI Technical Summary

Technical Problem

In the current technology, there are few methods for detecting and selecting pig litter size, which makes it difficult to effectively improve reproductive performance and affect the economic benefits of the pig farming industry.

Method used

A SNP molecular marker located at position 151486980 on chromosome 13 of pigs is provided for detecting high-yielding piglets. It can be detected by gene sequencing or PCR methods to detect pig genomic DNA, and combined with primers and kits, it can assist in breeding and breed improvement.

Benefits of technology

This technology enables rapid and efficient screening of high-producing piglets, improving the reproductive performance and economic benefits of pigs and providing a theoretical basis for molecular breeding of pigs.

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Abstract

The application provides a pig litter size related SNP molecular marker and application thereof. The SNP molecular marker is located at position 151486980 on pig chromosome 13, and polymorphism thereof is C / T. When the SNP site polymorphism is T, the pig has higher litter size. Through detection of the genotype, the pig litter size trait can be efficiently and rapidly identified, the genotype individual with the multiple litter size trait is selected and kept, and thus the pig litter capacity is improved, the economic value is improved, and technical support is provided for early selection of high-yield pigs.
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