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Botulism

R H Whitlock1, C Buckley

  • 1Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, USA.

The Veterinary Clinics of North America. Equine Practice
|April 1, 1997
PubMed
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Equine botulism, a neurological disease in horses, is increasingly diagnosed. Early antitoxin treatment improves outcomes, and vaccination can prevent this condition in foals and adult horses.

Area of Science:

  • Veterinary Neurology
  • Equine Medicine

Background:

  • Equine botulism is increasingly recognized in North America.
  • Clinical signs include progressive muscular weakness and dysphagia over 1-4 days.
  • Diagnosis is often presumptive based on physical exam findings.

Purpose of the Study:

  • To summarize the clinical presentation, diagnosis, treatment, and prevention of equine botulism.

Main Methods:

  • Physical examination findings suggestive of botulism include delayed pupillary light response, mydriasis, ptosis, generalized weakness, decreased tail tone, and slow feed prehension.
  • Definitive diagnosis relies on detecting botulinum toxin in biological samples.
  • Treatment involves early administration of antitoxin.

Main Results:

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  • Early antitoxin treatment typically leads to a favorable prognosis.
  • Vaccination is an effective preventive measure for both foals and adult horses.

Conclusions:

  • Prompt diagnosis and treatment are crucial for favorable outcomes in equine botulism.
  • Vaccination offers a viable strategy for preventing equine botulism.