Botulism in the horse.
Abstract: Botulism should be considered in cases where weakness, paralysis, or intolerance to exercise might be seen in the horse. Dysphagia may also be present, although it is not a consistent finding. Potential sources include carrion in hay, moldy or otherwise rotted vegetation or forage, birds carrying material from animal burial or other similar sites, and contaminated carcasses on-site. Horses, especially foals, may also suffer from toxicoinfectious botulism, a condition where the C. botulinum might colonize and produce toxin within the gastrointestinal tract. Wounds also may harbor the organism and otherwise promote botulism. Diagnosis of botulism is often a clinical diagnosis backed up by elimination of other possible infectious, injurious, or toxic causes of weakness of the horse. Definitive diagnosis and type identification in the laboratory are difficult and usually require a suitable sample of the source material. Treatment often is unrewarding unless a case is identified early and the proper antitoxin is readily available. Prevention involves common sense approaches to feeding and care of the horse and, where possible, judicious use of vaccination in endemic areas.
Publication Date: 2002-01-10 PubMed ID: 11780288DOI: 10.1016/s0749-0739(17)30053-6Google Scholar: Lookup
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Summary
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The abstract discusses an investigation into botulism in horses, its potential sources, symptoms, diagnosis, treatment, and prevention methods.
Botulism in Horses
The paper explores botulism in horses, a potentially fatal disease that can cause weakness, paralysis, and exercise intolerance in afflicted animals. Indications might also include swallowing difficulties, although this isn’t always present.
- The potential sources of the disease are identified as carrion (decaying animal remains) in hay, moldy or rotted vegetation, birds carrying potentially contaminated material from animal burial sites or similar areas, and contaminated carcasses on-site.
Causes and Diagnosis
The research further investigates the circumstances under which botulism might occur.
- Particularly in foals, a condition called toxicoinfectious botulism, which is when the bacterium Clostridium botulinum colonizes and produces toxins within the GI tract, might occur.
- Another way horses get infected is through their wounds, which might serve as a harbor for the causative organism.
- Diagnosing botulism is often done clinically, primarily by ruling out other infectious, injurious, or toxic causes that could lead to a horse’s weakness.
- Still, a definitive diagnosis and identification of the botulism type in a laboratory setting are challenging. It usually requires a suitable sample of the source material responsible for the disease.
Treatment and Prevention
The paper also discusses the complexity of treating botulism and suggests various prevention measures.
- Treatment is often difficult unless the case is identified early and the correct antitoxin is readily accessible.
- Prevention involves practical approaches to equine care and feeding, including, where possible, using vaccination judiciously in areas where botulism is prevalent.
Cite This Article
APA
Galey FD.
(2002).
Botulism in the horse.
Vet Clin North Am Equine Pract, 17(3), 579-588.
https://doi.org/10.1016/s0749-0739(17)30053-6 Publication
Researcher Affiliations
- Department of Veterinary Sciences and Wyoming State Veterinary Laboratory, University of Wyoming, Laramie, Wyoming, USA. fgaley@uwyo.edu
MeSH Terms
- Animals
- Botulism / diagnosis
- Botulism / physiopathology
- Botulism / prevention & control
- Botulism / veterinary
- Clostridium botulinum / immunology
- Horse Diseases / diagnosis
- Horse Diseases / microbiology
- Horse Diseases / physiopathology
- Horse Diseases / prevention & control
- Horses
- Vaccination / veterinary
References
This article includes 33 references
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