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Updated: Aug 31, 2026

Rapid Diagnosis of Avian Influenza Virus in Wild Birds: Use of a Portable rRT-PCR and Freeze-dried Reagents in the Field
Published on: August 2, 2011
Fungal diseases of birds of prey
1Department of Animal Health, Smithsonian Institute, National Zoological Park, 3001 Connecticut Avenue, Washington, DC 20008, USA. deems@nzp.si.edu
Abstract:
Aspergillosis and candidiasis are ranked among the most common infectious diseases in birds of prey. The prevention of these fungal diseases is often easier than treatment. Thus the clinician should strive to prevent infection by minimizing stress, maintaining a healthy environment, limiting long-term use of antibiotics and corticosteroids, and reducing exposure to fungal organisms. Although less commonly diagnosed among wild, free-ranging birds of prey, a high incidence in a free-ranging population should make the clinician think of an immunocompromising factor (i.e., toxins, human encroachment or low prey base) that may be contributing to infection. The diagnosis of aspergillosis and candidiasis often requires more than just the identification of the agent, as these ubiquitous organisms often are cultured from healthy birds of prey. In those birds of prey in which a fungal infection is highly suspected or proven, antifungal drugs remain the mainstay of treatment, although available drugs and modes of delivery have improved in recent years.
Insights
Preventing fungal infections like aspergillosis and candidiasis in birds of prey is key. Early diagnosis and improved antifungal treatments are vital for managing these common avian diseases.
Area of Science:
- Avian Medicine
- Mycology
- Wildlife Health
Background:
- Aspergillosis and candidiasis are prevalent infectious fungal diseases in birds of prey.
- Prevention strategies are often more effective than treatment for these conditions.
Purpose of the Study:
- To highlight the importance of prevention and early diagnosis of fungal infections in birds of prey.
- To discuss diagnostic challenges and current treatment modalities for avian aspergillosis and candidiasis.
Main Methods:
- Review of common fungal pathogens affecting birds of prey.
- Analysis of diagnostic criteria and potential pitfalls.
- Evaluation of preventive measures and treatment options.
Main Results:
- Minimizing stress, maintaining a healthy environment, and judicious use of antibiotics/corticosteroids are crucial for prevention.
- High incidence in wild populations suggests underlying immunocompromising factors.
- Accurate diagnosis requires more than agent identification due to ubiquitous nature of fungi.
Conclusions:
- Proactive prevention is paramount in managing aspergillosis and candidiasis in birds of prey.
- Clinicians must consider environmental and host factors contributing to infection.
- Antifungal drugs remain the primary treatment, with ongoing advancements in drug availability and delivery.
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