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Autofluorescence Imaging to Evaluate Red Algae Physiology
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Blue Green Algae.

Scott A Fritz1, Savannah Charnas2, Steve Ensley1

  • 1Department of Anatomy and Physiology, Kansas State University College of Veterinary Medicine, 1620 Denison Avenue, 228 Coles Hall, Manhattan, KS 66506, USA.

The Veterinary Clinics of North America. Equine Practice
|November 24, 2023
PubMed
Summary
This summary is machine-generated.

Harmful algal blooms caused by blue-green algae cyanotoxins are increasing, posing risks to animals. Specific data on toxic doses for horses is lacking, necessitating supportive care and preventative measures.

Keywords:
Blue green algaeCyanotoxinEquineHarmful algal bloomsHorse

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Area of Science:

  • Environmental toxicology
  • Veterinary medicine
  • Ecotoxicology

Background:

  • Rising prevalence of blue-green algae (cyanobacteria) and their toxins due to environmental and agricultural changes.
  • Harmful algal blooms (HABs) pose a growing threat to animal health through contaminated water sources.
  • Limited specific data exists regarding cyanotoxin exposure and toxicity in equines.

Purpose of the Study:

  • To review the current understanding of blue-green algae cyanotoxin prevalence and risks.
  • To highlight the limited information on equine exposure and toxic doses.
  • To discuss current treatment and prevention strategies for cyanotoxin poisoning in animals, with a focus on horses.

Main Methods:

  • Literature review of environmental changes promoting algal blooms.
  • Analysis of animal exposure routes to cyanotoxins.
  • Examination of existing toxicological data from various animal models.
  • Assessment of current veterinary treatment protocols for suspected cyanotoxin poisoning.

Main Results:

  • Environmental shifts are increasing the occurrence of harmful algal blooms globally.
  • Equine cases of cyanotoxin poisoning are infrequently reported, with no established toxic dose.
  • Treatment relies on supportive care, and preventative strategies are crucial for animal health.
  • Extrapolation of data from other animal species is necessary for equine case management.

Conclusions:

  • Increased prevalence of cyanotoxins necessitates greater awareness and preventative measures in animal husbandry.
  • Further research is critical to determine specific toxic doses and effective treatments for horses.
  • Focus on limiting animal exposure to contaminated water is the most effective current strategy for preventing cyanotoxin-related illnesses.