Genome-Wide Association Study for Reproductive Traits in a Duroc Pig Population

Overview

Journal Animals (Basel)

Date 2019 Sep 29

PMID 31561612

Citations 27

Authors

Zhe Zhang

Zitao Chen

Shaopan Ye

Yingting He

Shuwen Huang

Xiaolong Yuan

Zanmou Chen

Hao Zhang

Jiaqi Li

Affiliations

Soon will be listed here.

Abstract

In the pig industry, reproductive traits constantly influence the production efficiency. To identify markers and candidate genes underlying porcine reproductive traits, a genome-wide association study (GWAS) was performed in a Duroc pig population. In total, 1067 pigs were genotyped using single-nucleotide polymorphism (SNP) chips, and four reproductive traits, including litter size at birth (LSB), litter weight at birth (LWB), litter size at weaning (LSW), and litter weight at weaning (LWW), were examined. The results showed that 20 potential SNPs reached the level of suggestive significance and were associated with these traits of interest. Several important candidate genes, including , , , , , , , , , , , , , , and , were identified and might compose the underlying genetic architecture of porcine reproductive traits. These findings help to understand the genetic basis of porcine reproductive traits and provide important information for molecular breeding in pigs.

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