Studies on bionomics and pathogenicity of Luminescent bacteria.

Josephraj, John (2000) Studies on bionomics and pathogenicity of Luminescent bacteria. Masters thesis, Central Institute of Fisheries Education.

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    Abstract

    The development of intensive shrimp culture and the upgrading of traditional shrimp farm have created the need for more hatchery seeds. Though hatchery production of shrimp seeds was successful, there is every chance that the seeds will be affected by infectious and noninfectious diseases. The shrimp larvae are susceptible to bacterial diseases like bacillary necrosis, larval necrosis, larval luminosis and juvenile vibriosis and generally greatest problem is met in the warmest months (Karunasagar et al., 1994) The impact on the host is systemic infection of the soft tissues of larvae resulting in tissue luminosis and necrosis (due to production of exotoxin by bacteria) and death. Diagnostic techniques like histology can reveal tissue necrosis and the presence of rod-shaped bacteria (usually slightly curved) within the tissues (Lightner,1983). It is possible to reisolate the luminous strains in Seawater Complex (SWC) agar from the tissues of infected larvae (Ruby and Nealson,1978;Lavilla Pitogo et al.,1990)

    Item Type: Thesis (Masters)
    Uncontrolled Keywords: Bionomics; Pathogenicity; Luminescent bacteria
    Subjects: Dissertations
    Algae > Bacteria
    Divisions: CMFRI-Kochi > Mariculture
    Subject Area > CMFRI > CMFRI-Kochi > Mariculture
    CMFRI-Kochi > Mariculture
    Subject Area > CMFRI-Kochi > Mariculture
    Depositing User: Users 17220 not found.
    Date Deposited: 07 Sep 2016 10:37
    Last Modified: 07 Oct 2016 04:19
    URI: http://eprints.cmfri.org.in/id/eprint/11069

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