DAO 92:75-81 (2010)  -  DOI: https://doi.org/10.3354/dao02263

NOTE
Unusual incidence of chronic pneumonia associated with cholesterol deposits in stranded and bycaught franciscanas Pontoporia blainvillei

Valeria Ruoppolo1,2,*, Ralph Eric Thijl Vanstreels3, Juliana Marigo2,4, José Luiz Catão-Dias3

1Emergency Relief Team, International Fund for Animal Welfare, 290 Summer Street, Yarmouth Port, Massachusetts 02675, USA
2Projeto BioPesca, Praia Grande, SP, Brazil
3Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brazil
4Laboratório de Mamíferos Aquáticos e Bioindicadores (MAQUA), Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil

ABSTRACT: Franciscanas Pontoporia blainvillei are small dolphins endemic to Brazil, Uruguay and Argentina. During routine pathologic examinations, chronic pneumonia associated with cholesterol deposits was found in 16.7% of stranded and incidentally bycaught franciscanas (n = 60), and was more frequent in dolphins from the Brazilian state of São Paulo (Franciscana Management Area II) and frequently accompanied by splenic lymphoid hyperplasia. It is unclear why these otherwise uncommon lesions were relatively frequent in the studied dolphins, and further research is advised.


KEY WORDS: Marine · Pathology · Pontoporia blainvillei · Cholesterol pneumonia · Brazil


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Cite this article as: Ruoppolo V, Vanstreels RET, Marigo J, Catão-Dias JL (2010) Unusual incidence of chronic pneumonia associated with cholesterol deposits in stranded and bycaught franciscanas Pontoporia blainvillei. Dis Aquat Org 92:75-81. https://doi.org/10.3354/dao02263

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