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July 26, 2026PLoS ONEOpen Access

Influence of salinity on growth, nutrient utilization, and gene expression of giant freshwater prawn (Macrobrachium rosenbergii)

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Authors

FSFarhana Ahamed ShanilaMSMd. Rajib SharkerMIMd. Moinul Islam

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Overview

Randomized trial assesses the impact of variable salinities on growth and gene expression in giant freshwater prawn, indicating optimal conditions for cultivation.

Key Points

  • This study aims to evaluate how different salinities affect the growth and gene expression of Macrobrachium rosenbergii.
  • Conducted a 56-day in vivo experiment with M. rosenbergii exposed to salinities of 0, 3, 6, 9, and 12 ppt.
  • Measured weight gain, specific growth rate, feed conversion ratio, and gene expression profiles in triplicate.
  • Applied polynomial regression analysis to determine optimal salinity levels.
  • The highest growth rate and feed conversion ratio were observed at 3 ppt salinity.
  • Significant downregulation of molt-inhibiting hormone and upregulation of chitinase gene expression were noted at 3 ppt.
  • Immune-related genes were upregulated at 3 ppt, while stress response genes showed downregulation compared to other salinities.

Cite This Study

Shanila et al. (2026) studied this question.

synapsesocial.com/papers/6a65a422d3aea3239cd76f94https://doi.org/10.1371/journal.pone.0353240
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Regulation and Response Mechanism of Acute Low-Salinity Stress during Larval Stages in Macrobrachium rosenbergii Based on Multi-Omics Analysis2024 · 6 citations
  2. 2Integrated Transcriptomic and Metabolomic Analysis Reveals the Regulatory Mechanisms of Macrobrachium rosenbergii in Response to Acute High-Salinity Stress2026
  3. 3Histological analysis of Macrobrachium rosenbergii (de Man) eggs incubated in different salinities2024
  4. 4The effects of cold stress on the growth and muscle nutritional metabolism of Macrobrachium rosenbergii2026 · 1 citations
  5. 5Physiology and Molecular Response Mechanisms in the Gills of Macrobrachium rosenbergii Under Acute NaHCO3 Alkaline Stress2025