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Aspectos anatomopatológicos e imuno-histoquímicos de cinomose em graxains / Anatomopathological and immunohistochemical aspects of distemper virus in crab-eating-foxes and pampa-foxes

Slaviero, Mônica; Ehlers, Luiza Presser; De Lorenzo, Cíntia; Zafalon-Silva, Bruna; Driemeier, David; Pavarini, Saulo Petinatti; Alievi, Marcelo Meller; Sonne, Luciana.
Acta Sci. vet.; 47: Pub. 1632, 2019. ilus
Artigo em Português | VETINDEX | ID: vti-18190

Resumo

Background: Distemper is a contagious disease with worldwide distribution, which is caused by a single-stranded RNAvirus of the genus Morbillivirus. The Crab-eating fox (Cerdocyon thous) and the Pampas fox (Lycalopex gymnocercus), wildcanids commonly found in the state of Rio Grande do Sul, are highly susceptible to the disease. Distemper virus infection oftenshows a multisystemic presentation. Central nervous system lesions are frequently reported, and may lead to death of wild canids.Distemper virus infection affecting these species has been cited by several studies; nonetheless, case descriptions involving theCrab-eating fox and the Pampas fox are infrequent. Therefore, the objective of the present study is to describe the anatomopathological and immunohistochemical aspects of distemper in the referred species, aiming to assist with the diagnosis of the disease.Materials, Methods & Results: A retrospective study was performed, and the necropsy reports of Crab-eating foxes and Pampasfoxes admitted to SPV-UFRGS from 2010 to 2016 were reviewed. Necropsy reports were revised in order to obtain information related to the clinical history and anatomopathological findings, and cases compatible with distemper were selected. Dataregarding the affected species, sex, approximate age, origin and clinical signs were compiled and analyzed. Selected histologicalsections of brain and cerebellum were submitted for immunohistochemistry (IHC) for monoclonal antibody canine distempervirus. In the studied period, 20 animals of the referred species were subjected to necropsy, of which four were diagnosed withdistemper as a cause of death. Of the affected animals, two were female and two were male. Three were juvenile and one wasan adult animal. Clinical signs reported included myoclonia, opisthotonos, forelimb paresis and nystagmus. No significant grosschanges were noted. Histopathological findings were restricted to the central nervous system...(AU)
Biblioteca responsável: BR68.1