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Case Reports in Veterinary Medicine
Volume 2015, Article ID 350794, 4 pages
http://dx.doi.org/10.1155/2015/350794
Case Report

A Case Report of Avian Polyomavirus Infection in a Blue Fronted Parrot (Amazona aestiva) Associated with Anemia

Department of Pathology, School of Veterinary Medicine, University of São Paulo, Avenida Prof. Orlando Marques de Paiva 87, 05508-900 São Paulo, SP, Brazil

Received 26 June 2015; Revised 29 September 2015; Accepted 5 October 2015

Academic Editor: Carlos Gutierrez

Copyright © 2015 Natalia Azevedo Philadelpho et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

An adult Blue Fronted Amazon parrot (A. aestiva) presenting with emesis, apathy, undigested seed in feces, and severe anemia was treated for approximately 2 months. Upon radiographic examination, an enlarged kidney was the only alteration. PCR for avian Bornavirus, Circovirus, and Polyomavirus was performed for the feces and blood. The results were positive for APV in both samples and negative for the other viruses. After 6 months, the feces from the same animal were negative for APV. Because the animal was positive for APV in both the feces and the blood, it is likely that these clinical symptoms were due to Polyomavirus infection. Severe anemia is an unusual clinical sign of Polyomavirus, and this study aims to identify novel differential diagnostic criteria for the disease.