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Widespread avian bornavirus infection in mute swans in the Northeast United States

Authors Jianhua, Covaleda, Heatley JJ , Baroch, Tizard I , Payne S

Received 27 April 2012

Accepted for publication 24 May 2012

Published 20 July 2012 Volume 2012:3 Pages 49—52


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

Jianhua Guo,1 Lina Covaleda,1 J Jill Heatley,1 John A Baroch,2 Ian Tizard1, Susan L Payne,1
1Texas A&M University, College Station, TX, USA; 2USDA/APHIS Wildlife Services, Fort Collins, CO, USA

Abstract: Avian bornavirus (ABV) matrix (M) genes were detected by RT-PCR on brain tissue obtained from 192 mute swans harvested from several Northeastern states. A RT-PCR product was detected in 45 samples. Sequencing of the PCR products confirmed the presence of ABV belonging to the ‘goose’ genotype. The prevalence of positive samples ranged from 28% in Michigan to 0% in northern New York State. Two Rhode Island isolates were cultured. Their M, N, and X-P gene sequences closely matched recently published sequences from Canada geese.

Keywords: avian bornavirus, proventricular dilatation disease, reverse transcription, polymerase chain reaction, mute swans

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