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|Título: ||Aspergilose em trinca-ferros (Saltator similis) competidores de canto|
|Título Alternativo: ||Aspergillosis in Green-winged Saltators (Saltator similis) Participants in Bird Singing Competitions|
|Autor(es): ||Spanamberg, Andréia|
Casagrande, Renata Assis
Rolim, Veronica Machado
Souza, Suyene Oltramari de
Gonçalves, Igor Christian Magno
Oliveira, Luiz Gustavo Schneider de
Wouters, Angelica Terezinha Barth
Fontana, Carla Suertegaray
Trinca-ferro - Doenças respiratórias
|Publicador: ||Universidade Federal do Rio Grande do Sul|
|Data de publicação: ||2012|
|Referência: ||SPANAMBERG, A. et al. Aspergilose em trinca-ferros (Saltator similis) competidores de canto. Acta Scientiae Veterinariae, Porto Alegre, v. 40, n. 4, p. 1-6, 2012.|
|Abstract: ||Aspergillosis is the most common mycosis in birds, which are considered potential host also susceptible to the infection
by Aspergillus spp. The clinical signs of the disease are often related to the respiratory tract, although other organs or systems may be
affected. Signs are generally either not specifi c or may be directly related to the extent of the lesions in the respiratory tract (rhinitis,
changes in the vocalization and dyspnea). The aim of this study was to describe and characterize three cases of aspergillosis in Greenwinged
saltators (Saltator similis), based on reference standard diagnostics of this mycosis.
Cases: Three Green-winged adult male saltators that had been participating weekly for three months in bird singing contests were referred
to a private veterinary clinic. The clinical evaluation revealed pronounced hoarseness (3/3) and intense dyspnea (1/3). The animals were
allocated to a warmed (280
C) oxygen chamber at 65% relative humidity. All birds were nebulized with saline solution and hyaluronidase.
In addition, the birds were treated orally with complex vitamins B, A, D and E and intravenously either with dexamethasone and
doxycycline (Case 1), azithromycin (Case 2) or metronidazole-enrofl oxacin combination (Case 3), in association with the use of Arnica
Montana CH6 in the drinking water, and fl uid therapy (5% glucose, Ringer-lactate and saline solution). In spite of the therapeutic treatments,
the birds died three days after the hospitalization. The necropsy examination revealed: syrinx with yellowish content ranging
from 2 to 5 mm diameter occluding the lumen (3/3) and the lungs were diffusely reddened (3/3) with yellowish areas of 2 mm (1/3).
The histologic fi ndings included proliferation of connective tissue in the mucosa and submucosa of the syrinx and granulomas formation
in the lumen with necrotic centers that had large amounts of branched and septate hyphae with radiated arrangement. A large amount
of hyphae were observed in granulomas in the lungs. The mycological culture (Sabouraud Dextrose Agar and Malt Extract Agar) of lung fragments and syrinx from all three birds allowed the isolation of colonies of Aspergillus fumigatus.|
|Aparece nas coleções: ||DMV - Artigos publicados em periódicos|
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