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<p>This study aimed to investigate the relationship between the survival rate of <i>Litopenaeus vannamei</i> (<i>L. vannamei</i>) and its gut microbiota. The experiment was divided into two groups: the high survival group (PC, survival rate was 97.57%) and the low survival group (NC, survival rate was 25.79%). 15 healthy individuals were randomly selected from each group, and their intestinal contents were collected. Using the Illumina Hiseq high-throughput sequencing to explore the diversity of microbial structure and potential function in the gut of shrimp. The results showed that the alpha diversity and relative abundance of Bacteroidetes, Cyanobacteria, Mucoromycota, Ascomycota, <i>Robiginitalea</i>, <i>Algoriphagus</i>, <i>Roseobacter</i>, <i>Muricauda</i>, and <i>Ruegeria</i> were significantly increased in the high survival rate group, and the intestinal microorganisms affect the health of <i>L. vannamei</i> through multiple metabolic pathways. This experiment further explored the relationship between the survival rate of <i>L. vannamei</i> and intestinal microorganisms, laying a theoretical foundation for strategies to improve its survival rate.</p>

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Comparison of Intestinal Microflora of Litopenaeus vannamei with High and Low Survival Rates

  • 期刊论文

  • 发表日期：

    2026年1月15日

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  • Kun Ouyang,
  • Yang Yang,
  • Shumeng Wang,
  • Jingshen Chen,
  • Jiatao Liu,
  • Hailong Wang,
  • Yuxuan Wang,
  • Junyi Luo,
  • Jiajie Sun,
  • Qianyun Xi,
  • Yuping Sun,
  • Yongguo Si,
  • Ting Chen,
  • Yongliang Zhang

摘要

This study aimed to investigate the relationship between the survival rate of Litopenaeus vannamei (L. vannamei) and its gut microbiota. The experiment was divided into two groups: the high survival group (PC, survival rate was 97.57%) and the low survival group (NC, survival rate was 25.79%). 15 healthy individuals were randomly selected from each group, and their intestinal contents were collected. Using the Illumina Hiseq high-throughput sequencing to explore the diversity of microbial structure and potential function in the gut of shrimp. The results showed that the alpha diversity and relative abundance of Bacteroidetes, Cyanobacteria, Mucoromycota, Ascomycota, Robiginitalea, Algoriphagus, Roseobacter, Muricauda, and Ruegeria were significantly increased in the high survival rate group, and the intestinal microorganisms affect the health of L. vannamei through multiple metabolic pathways. This experiment further explored the relationship between the survival rate of L. vannamei and intestinal microorganisms, laying a theoretical foundation for strategies to improve its survival rate.