Sporadic occurrence of Epizootic ulcerative syndrome outbreaks under post flood conditions in Kerala

Reshma, K J and Sumithra, T G and Nair, Anusree V and Sayooj, P and Amala, P V and Sanil, N K (2022) Sporadic occurrence of Epizootic ulcerative syndrome outbreaks under post flood conditions in Kerala. Marine Fisheries Information Service, Technical and Extension Series (251). pp. 35-36. ISSN 0254-380X

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    Abstract

    Epizootic ulcerative syndrome (EUS) is considered to be an infection with an oomycete known as Aphanomyces invadans, commonly known as water molds causing heavy mortalities in wild and in farm fish. Large-scale fish mortality waters especially in the flood-affected fish farms in Kerala, following heavy rainfall and flood in August 2018 were reported. Subsequently, several fish disease cases were reported to ICAR-CMFRI by farmers, with characteristics of the invasive, tissue-destructive stages of EUS (Fig.1). In such cases reported, several species tested positive for EUS including Channa bleheri, and C. diplogramma. The affected fishes showed clinical symptoms like lethargy and lateral recumbency in rearing facilities. In some fish, the caudal peduncle, caudal fin or dorsal fins were severely eroded, and deep ulcers exposing the underlying musculature were also observed.

    Item Type: Article
    Uncontrolled Keywords: Epizootic ulcerative syndrome (EUS); Farm fish; Flood; Kerala
    Subjects: Fish Diseases
    Divisions: CMFRI-Kochi > Marine Biotechnology
    Subject Area > CMFRI > CMFRI-Kochi > Marine Biotechnology
    CMFRI-Kochi > Marine Biotechnology
    Subject Area > CMFRI-Kochi > Marine Biotechnology
    Depositing User: Arun Surendran
    Date Deposited: 13 Jul 2022 08:26
    Last Modified: 13 Jul 2022 08:26
    URI: http://eprints.cmfri.org.in/id/eprint/16059

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