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. 2021 Oct 31;83(11):1666-1669.
doi: 10.1292/jvms.21-0439. Epub 2021 Sep 14.

Swine abortion caused by Candida parapsilosis

Kaho Shimada  1 , Minako Tachibana  1 , Takahiro Watamura  1 , Hiroshige Kobayashi  1 , Atsuko Matsumoto  1 , Mikuya Iwanaga  2 , Yasuko Hanafusa  3 , Tomoyuki Shibahara  4   5
Affiliations

Swine abortion caused by Candida parapsilosis

Kaho Shimada et al. J Vet Med Sci. .

Abstract

In July 2020, a sow in a breeding herd in the Chiba Prefecture, Japan, suffered abortion. A necropsy revealed pale pulmonary foci scattered in the two fetuses. Histologically, multifocal pulmonary necrosis was detected with numerous yeasts. The yeast was positively stained using the periodic acid-Schiff reaction and Grocott's silver stain. Molecular identification indicated that the yeast was Candida parapsilosis. In conclusion, our results suggested that C. parapsilosis caused multifocal necrotizing pneumonia in the two fetuses. This study is the first report of a swine abortion with C. parapsilosis infection.

Keywords: Candida parapsilosis; abortion; pneumonia; swine.

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Conflict of interest statement

The authors have nothing to disclose.

Figures

Fig. 1.
Fig. 1.
a. No gross lesions were visible at necropsy in fetus No. 1. b. Pale foci were scattered in the fetal lung (arrows) tissue section in the fetus No. 1. Bar=5 mm. c. Multifocal necrosis was randomly diffused in the fetal lung of the fetus No. 1. Hematoxylin and eosin staining. Bar=500 μm. d. Periodic acid-Schiff positive yeasts were observed in the pulmonary necrosis using periodic acid-Schiff reaction in the fetus No. 1. Bar=100 μm. e. Yeasts were stained in the pulmonary necrosis using Grocott’s silver staining in the fetus No. 1. Bar=20 μm. f. Yeasts reacted with anti-Candida albicans antibody in the pulmonary necrosis observed in the fetus No. 1 by immunohistochemical staining. Bar=10 μm. g. Candida parapsilosis isolated from the lung of fetus No. 1 grows in a pseudohyphal form or exists in a yeast phase under lactophenol cotton blue stain. Bar=20 μm.
See this image and copyright information in PMC

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