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  1. 農学部
  1. 農学部
  2. 学術雑誌掲載論文 (農学部)

A highly sensitive method for detecting African swine fever virus in oral fluids from naturally infected pigs in Northern Vietnam

http://hdl.handle.net/10458/0002001642
http://hdl.handle.net/10458/0002001642
9a807220-74cf-41e5-8143-0c2de053b2ba
名前 / ファイル ライセンス アクション
s41598-025-12139-8.pdf Fulltext (1.4 MB)
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アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2025-08-27
タイトル
タイトル A highly sensitive method for detecting African swine fever virus in oral fluids from naturally infected pigs in Northern Vietnam
言語 en
言語
言語 eng
キーワード
言語 en
キーワード African swine fever virus
キーワード
言語 en
キーワード Early diagnosis
キーワード
言語 en
キーワード Oral fluid
キーワード
言語 en
キーワード Pig
キーワード
言語 en
キーワード Virion concentration
資源タイプ
資源タイプ journal article
アクセス権
アクセス権 open access
著者 Mai, Thi Ngan

× Mai, Thi Ngan

en Mai, Thi Ngan
Vietnam National University of Agriculture

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Tran, Thi Huong Giang

× Tran, Thi Huong Giang

en Tran, Thi Huong Giang
Vietnam National University of Agriculture

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Dong, Van Hieu

× Dong, Van Hieu

en Dong, Van Hieu
Vietnam National University of Agriculture

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Le, Van Phan

× Le, Van Phan

en Le, Van Phan
Vietnam National University of Agriculture

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Huynh, Thi My Le

× Huynh, Thi My Le

en Huynh, Thi My Le
Vietnam National University of Agriculture

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Bui, Tran Anh Dao

× Bui, Tran Anh Dao

en Bui, Tran Anh Dao
Vietnam National University of Agriculture

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上村, 涼子

× 上村, 涼子

WEKO 33773
e-Rad_Researcher 90529190

ja 上村, 涼子
宮崎大学

ja-Kana ウエムラ, リョウコ

en Uemura, Ryoko
University of Miyazaki

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Yamazaki, Yasuko

× Yamazaki, Yasuko

en Yamazaki, Yasuko
Kyoto University

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Nguyen, Thi Lan

× Nguyen, Thi Lan

en Nguyen, Thi Lan
Vietnam National University of Agriculture

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Yamazaki, Wataru

× Yamazaki, Wataru

en Yamazaki, Wataru
Kyoto University

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抄録
内容記述タイプ Abstract
内容記述 Early detection and early slaughter through quarantine are essential to prevent the spread of the African swine fever virus (ASFV). Pooled oral fluids testing is a practical approach for pathogen monitoring, but compared to blood, the virus concentration is lower, increasing false negatives. We developed a highly sensitive method for ASFV detection in pig oral fluids using a pretreatment-based concentration protocol. We collected oral fluids from sub-clinical raised pigs in northern Vietnam and conducted a field evaluation using the developed method. A spike test showed up to 100-fold greater sensitivity than a reference method. For performance evaluation, 68 pooled oral fluid samples were collected, of which 63 originated from raised pigs in northern Vietnam and 5 were obtained from healthy pigs in Japan as negative controls. Using real-time PCR, 9/68 (13.2%) were positive by the reference method, while 23/68 (33.8%) were positive by the developed method. Real-time LAMP detected 1/68 (1.5%) and 6/68 (8.8%) respectively. The developed method therefore improved the diagnostic performance and enabled early diagnosis prior to disease onset. These results suggest enhanced sensitivity and feasibility for early ASF diagnosis, potentially contributing to more effective outbreak control. The developed method offers a simple and sensitive tool for rapid ASFV screening in both affected and at-risk farms.
言語 en
書誌情報 en : Scientific Reports

巻 15, p. 27855, 発行日 2025-07-30
出版者
出版者 Springer Nature
言語 en
ISSN
収録物識別子タイプ EISSN
収録物識別子 20452322
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1038/s41598-025-12139-8
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出版タイプ VoR
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