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Giardiasis in a horse
Journal of the American Veterinary Medical Association
|July 15, 1985
Summary
Giardia infection caused chronic diarrhea and weight loss in a horse. Treatment with metronidazole effectively resolved all clinical signs of the parasitic infection.
Area of Science:
- Veterinary Medicine
- Parasitology
- Equine Health
Background:
- Giardia spp. are protozoan parasites that can cause gastrointestinal disease in various animal species.
- Chronic diarrhea, weight loss, and lethargy are common clinical signs associated with parasitic infections in horses.
Observation:
- A 4-year-old Thoroughbred horse presented with chronic diarrhea, weight loss, lethargy, inappetence, and dermatitis.
- Fecal examination using the zinc sulfate centrifugal flotation method detected Giardia cysts.
Findings:
- Giardia infection was diagnosed as the cause of the clinical signs.
- Treatment with metronidazole suspension at 5 mg/kg body weight orally three times daily for 10 days resulted in complete resolution of all clinical signs.
Implications:
- This case highlights the importance of diagnostic fecal testing for Giardia in horses presenting with chronic gastrointestinal and systemic signs.
- Metronidazole is an effective treatment option for Giardia infections in horses.
- Prompt diagnosis and treatment can lead to favorable outcomes and prevent long-term health issues in affected horses.