New canine parvovirus 2a infection in an imported Asian small-clawed otter (Aonyx cinereus) in Japan

Autor:	Shohei Minami, Sho Kadekaru, Ken Maeda, Yumi Une, Ikki Mitsui, Kenichi Tamukai
Rok vydání:	2021
Předmět:	Aonyx cinereus General Veterinary viruses Canine parvovirus Biology biology.organism_classification Otter Microbiology Diarrhea Lymphoid depletion biology.animal Candida spp medicine Vomiting Lymph medicine.symptom
Zdroj:	Journal of Veterinary Medical Science. 83:507-511
ISSN:	1347-7439 0916-7250
DOI:	10.1292/jvms.20-0480
Popis:	Post-import from the Republic of Indonesia to Japan in 2017, two juvenile, captive bred Asian small-clawed otters (Aonyx cinereus) exhibited gastrointestinal symptoms, including vomiting, diarrhea, and hematemesis, and died. One of them was examined postmortem. Microscopically, the small intestinal mucosa was necrotic with crypts lined by regenerating large epithelial cells. A gastric cardiac mucosal ulcerative lesion containing fungal yeasts and pseudohyphae morphologically indicated Candida spp. The lymph nodes exhibited marked lymphoid depletion. Canine parvovirus 2 (CPV-2) was isolated from an oral swab, and virus protein 2 (VP2) gene sequencing revealed new CPV-2a. To our knowledge, this is the first new CPV-2a infection report in Asian small-clawed otters. This infection should be considered in gastrointestinal symptom-related cases in this species.
Databáze:	OpenAIRE
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