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Swine abortion caused by Candida parapsilosis
Kaho Shimada1, Minako Tachibana1, Takahiro Watamura1
1Chiba Prefectural Chuou Livestock Hygiene Service Office, 497 Iwatomimachi, Sakura, Chiba 285-0072, Japan.
Candida parapsilosis caused fetal pneumonia and abortion in a Japanese swine herd. This is the first report of this yeast causing swine abortion and necrotizing pneumonia.
Area of Science:
- Veterinary Pathology
- Mycology
- Reproductive Medicine
Background:
- Swine abortions can result from various infectious agents.
- Fungal infections, particularly yeast, are less commonly reported causes of abortion in swine.
Purpose of the Study:
- To identify the causative agent of abortion and fetal pneumonia in a Japanese swine herd.
- To report the first case of Candida parapsilosis-associated swine abortion.
Main Methods:
- Necropsy of aborted fetuses.
- Histopathological examination with special stains (PAS, GMS).
- Molecular identification of yeast using DNA sequencing.
Main Results:
- Necropsy revealed pale pulmonary foci in fetuses.
- Histology showed multifocal pulmonary necrosis with numerous yeasts.
- Molecular identification confirmed the yeast as Candida parapsilosis.
Conclusions:
- Candida parapsilosis was identified as the cause of multifocal necrotizing pneumonia in the fetuses.
- This study represents the first documented case of swine abortion linked to Candida parapsilosis infection.
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