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May 9, 2026Aquatic Life and EcosystemsOpen Access

Optimal Stocking Densities and High-Density Stress Response Mechanisms in Two Size Classes of Juvenile Largemouth Bass (Micropterus salmoides)

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Authors

KZKaipeng ZhangTarim UniversityYXYaqing XuTarim UniversityJWJie WeiTarim University

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Implication

Randomized trial examines optimal stocking density impacting growth and stress in juvenile largemouth bass, indicating management strategies for aquaculture.

Key Points

  • The study aims to determine the optimal stocking density and understand density stress mechanisms in juvenile largemouth bass of different sizes.
  • Two size classes of juvenile M. salmoides were selected: size 1 (8.0 g) and size 2 (50 g).
  • Five stocking densities (0.25, 0.75, 1.25, 1.75, 2.25 kg·m−3) were tested over 30 days.
  • Growth performance, feeding behavior, swimming activity, oxidative stress, and water quality were assessed.
  • Survival rates at 0.25, 0.75, and 1.25 kg·m−3 were significantly higher than in high-density groups (1.75, 2.25 kg·m−3).
  • The optimal stocking density for size 1 juveniles was determined to be 0.75–1.25 kg·m−3, balancing growth and survival.
  • Size 2 juveniles showed higher sensitivity to density stress, with an optimal density identified as 0.75 kg·m−3.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69fecfcdb9154b0b82876cd9https://doi.org/10.53941/ale.2026.100007
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Also Consider

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

  1. 1Evaluation of the Health Status of Largemouth Bass (Micropterus salmoides) at Different Stocking Densities Under the “168” Aquaculture Model Based on an Integrated Analysis of Liver Histology, Biochemistry, Transcriptomics, and Metabolomics Data2026 · 1 citations
  2. 2Magnesium Promotes Growth–Metabolism Balance in Juvenile Largemouth Bass (Micropterus salmoides) and Modulates Antioxidant–Inflammatory–Apoptotic Responses Under Heat Stress2025 · 1 citations
  3. 3Effects of stocking density during simulated transport on physiology and behavior of largemouth bass ( Micropterus salmoides )2024 · 13 citations
  4. 4Effects of Stocking Density and Pre-Slaughter Handling on the Fillet Quality of Largemouth Bass (Micropterus salmoides): Implications for Fish Welfare2024 · 11 citations
  5. 5Optimizing Feeding Regimens with Differential Protein Levels to Enhance Growth and Health in Juvenile Largemouth Bass (Micropterus salmoides)2026 · 1 citations