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First report of myiasis caused by Cochliomyia hominivorax in free-ranging giant otter (Pteronura brasiliensis).
Foerster, Nathalie; Soresini, Grazielle; Paiva, Fernando; Silva, Fabiano Aguiar da; Leuchtenberger, Caroline; Mourão, Guilherme.
Afiliação
  • Foerster N; Programa de Pós-Graduação Em Ecologia e Conservação, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil.
  • Soresini G; Giant Otter Conservation Fund, Arroio do Meio, RS, Brasil.
  • Paiva F; Giant Otter Conservation Fund, Arroio do Meio, RS, Brasil.
  • Silva FAD; Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil.
  • Leuchtenberger C; Programa de Pós-Graduação Em Ecologia e Conservação, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil.
  • Mourão G; Giant Otter Conservation Fund, Arroio do Meio, RS, Brasil.
Rev Bras Parasitol Vet ; 31(4): e009522, 2022.
Article em En | MEDLINE | ID: mdl-36417628
Giant otters are territorial semi-aquatic mammals. It is common to find several individuals exhibiting wounds and scars due to intraspecific conflicts. Myiasis is a parasitic infestation on living tissues of vertebrates caused by dipterous larvae, that usually develops in freshly open wounds and can seriously threaten the host's health. Ectoparasites seem to be rare among giant otters and myiasis had not been recorded in this species until now. Here, is presented one record of myiasis in a free-ranging giant otter found dead in the Pantanal, Brazil. An ulcerative lesion was found in the frontoparietal region, from which 22 larvae were recovered and identified as Cochliomyia hominivorax. The low occurrence of ectoparasites in giant otters might reflect their semi-aquatic habits and their grooming behavior, which makes it difficult for parasites to remain on the skin. The injured otter probably got the larvae after an intraspecific fight. Agonistic encounters between groups of giant otters have been reported before and these fights can result in serious wounds or even death. It was hypothesized that the myiasis caused by C. hominivorax deteriorated the health of the infested giant otter, which prevented recovery and accelerated its death.
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Lontras / Miíase Tipo de estudo: Diagnostic_studies / Prognostic_studies Limite: Animals País como assunto: America do sul / Brasil Idioma: En Ano de publicação: 2022 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Lontras / Miíase Tipo de estudo: Diagnostic_studies / Prognostic_studies Limite: Animals País como assunto: America do sul / Brasil Idioma: En Ano de publicação: 2022 Tipo de documento: Article