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Updated: May 15, 2026

Rapid Diagnosis of Avian Influenza Virus in Wild Birds: Use of a Portable rRT-PCR and Freeze-dried Reagents in the Field

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

Birds and bornaviruses.

Susan L Payne¹, Pauline Delnatte, Jianhua Guo

¹Department of Veterinary Pathobiology, Texas A&M University, College of Veterinary Medicine and Biomedical Sciences, College Station, 77843, USA. spayne@cvm.tamu.edu

Animal Health Research Reviews

|December 21, 2012

Summary

Avian bornaviruses (ABV) cause proventricular dilatation disease (PDD) in parrots. This virus is widespread in healthy wild waterfowl, suggesting a potential reservoir and the need for further research into interspecies transmission.

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Last Updated: May 15, 2026

Rapid Diagnosis of Avian Influenza Virus in Wild Birds: Use of a Portable rRT-PCR and Freeze-dried Reagents in the Field

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

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Published on: September 13, 2018

Area of Science:

Veterinary Virology
Avian Pathology
Wildlife Disease Ecology

Background:

Proventricular dilatation disease (PDD) in parrots was linked to avian bornaviruses (ABV) in 2008.
ABV is now recognized as widespread in North American wild waterfowl populations.

Purpose of the Study:

To investigate the prevalence and genetic diversity of avian bornaviruses (ABV) in wild waterfowl.
To explore the potential role of waterfowl as reservoirs for ABV and related viruses like Borna disease virus (BDV).

Main Methods:

Serological and molecular detection of ABV in wild waterfowl populations.
Genetic analysis of identified ABV strains.
Literature review and comparative analysis with known ABV and BDV infections.

Main Results:

ABV infection is prevalent in North American waterfowl, with a unique goose genotype (ABV-CG) identified.
Most infected waterfowl appear asymptomatic, but some exhibit neurological lesions similar to PDD.
ABV appears endemic in waterfowl, contrasting with its status as an emerging disease in parrots.

Conclusions:

North American waterfowl are a significant reservoir for ABV.
The potential for ABV transmission between waterfowl and parrots remains unknown.
European waterfowl should be screened for ABV, and avian reservoirs for BDV should be considered.