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September 10, 2025Veterinary SciencesOpen Access

The Passive Immunoprotective Activity Using Egg Yolk IgY Antibodies of Live or Inactivated Aeromonas veronii Against Major Pathogenic Bacteria (A. veronii and A. hydrophila) in Fish

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Authors

JCJing ChenPCPan CuiHXHuihui Xiao

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Overview

Experiments revealed passive immune protection against Aeromonas infections in goldfish, suggesting IgY's potential in aquaculture.

Key Points

  • IgY antibodies from both live and inactivated Aeromonas veronii provided significant protection rates in goldfish.
  • Passive immune protection reduced bacterial loads and enhanced phagocytic activity in Carassius auratus.
  • Histopathological analysis confirmed tissue integrity while reducing apoptosis and DNA damage factors in goldfish.
  • Inactivated Aeromonas veronii immunization is less damaging to laying hens and aligns with welfare standards.

Cite This Study

Chen et al. (2025) studied this question.

synapsesocial.com/papers/68c1d60654b1d3bfb60f97bchttps://doi.org/10.3390/vetsci12090831
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Also Consider

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

  1. 1Assessment of Egg Yolk IgY Antibodies Against Live or Inactivated Aeromonas hydrophila for Polyvalent Passive Immunization in Goldfish (Carassius auratus)2025
  2. 2The multivalent passive immune-protective vaccines of egg yolk immunoglobulin Y derived from live or inactivated Pseudomonas anguilliseptica against aquaculture pathogens (P. anguilliseptica and Aeromonas veronii) in goldfish (Carassius auratus)2025
  3. 3Identification of polyvalent passive vaccine candidates from egg yolk antibodies (IgY) of important outer membrane proteins of Aeromonas hydrophila in fish2024 · 6 citations
  4. 4Application of IgY antibodies in passive immunization of aquaculture animals2025
  5. 5A Comparison of Polyvalent Passive Immunoprotection from Antibodies with Different Immunity Models of Live or Inactivated Vibrio fluvialis in Fish2024 · 3 citations