Morphological and molecular characterization of Cystoisospora sp. from Asian small-clawed otters Aonyx cinereus.

ABSTRACT: In this study, we provide the first description of Cystoisospora infection in Asian small-clawed otters (Aonyx cinereus). In July 2017, three juvenile otters recently imported from the Republic of Indonesia showed severe diarrhea and were diagnosed with coccidial infection; two of them eventually died. Fecal examination revealed the presence of numerous oocysts. Sporulated oocysts showed typical Cystoisospora features, measuring 24.6 ± 1.6 (22.0-27.0) × 21.8 ± 1.4 (19.0-25.0) μm, with an oocyst length/width ratio of 1.1 ± 0.1 (1.0-1.3). Each sporocyst contained four sporozoites in a head-to-tail arrangement. The Stieda body was absent, and the sporocyst residuum was present. These morphological characteristics differentiated this species from the other valid Cystois

SUBMITTER: Tokiwa T 

PROVIDER: S-EPMC6070675 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature