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Bilateral diaphragmatic paralysis in a weanling donkey jack
Alicia E Long1, Claire Underwood1, Kathryn Wulster1
1Department of Clinical Studies - New Bolton Center, University of Pennsylvania, Kennett Square, Pennsylvania, USA.
Summary
This case study details the first reported instance of diaphragmatic paralysis in a young donkey, potentially linked to equine influenza. Respiratory distress in donkeys warrants considering this condition, especially when common causes are ruled out.
Area of Science:
- Veterinary Medicine
- Equine Health
- Respiratory Physiology
Background:
- Bilateral diaphragmatic paralysis is a rare but severe condition affecting respiratory function.
- Respiratory distress in young equids often presents diagnostic challenges.
- Equine influenza (H3N8) is a common respiratory pathogen in horses and can affect other equids.
Observation:
- A 5-month-old miniature donkey jack presented with fever, cough, and severe respiratory distress.
- Diagnostic evaluations ruled out common respiratory infections and obstructions.
- Arterial blood gas analysis indicated hypercapnia and hypoxemia, with imaging suggesting diaphragmatic paralysis.
Findings:
- The donkey tested positive for equine influenza type A (H3N8) and had low selenium levels.
- This case represents the first documented instance of diaphragmatic paralysis in a donkey.
- Concurrent equine influenza infection is proposed as a potential contributing factor.
Implications:
- Diaphragmatic paralysis should be considered in the differential diagnosis of respiratory distress in donkeys.
- This finding expands the known clinical presentations of equine influenza.
- Early recognition and supportive care are crucial for managing diaphragmatic paralysis in equids.
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