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Polymicrobial skin lesions in the red spot emperor, Lethrinus lentjan (Lacepede 1802) during mass incursion towards shore along Kanyakumari coast, south India

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Title Polymicrobial skin lesions in the red spot emperor, Lethrinus lentjan
(Lacepede 1802) during mass incursion towards shore along
Kanyakumari coast, south India
Not Available
 
Creator Lipton,A P
Kingsly,H Jose
Udayakumar,A
Aishwarya,M S
Sarika,A R
 
Subject Aeromonas
Flavobacterium
Polymicrobial skin lesion
Red spot emperor
Vibrio
 
Description Not Available
Mass incursion of fishes with polymicrobial skin lesions, fin erosions and scale loss was recorded in the red spot emperor
Lethrinus lentjan (Lacepede 1802) along the Kanyakumari coast, south India during August 2009. An estimated 2.5 t of fish,
mostly the red spot emperors were found to migrate in live condition to the shore areas in a stressful state. Microbiological
analyses of tissue from sampled fishes revealed three distinct types of bacterial colonies forming 5.2 x 105 CFU g-1 of the
infected tissues. The predominant bacterial colonies were characterized as Aeromonas sp. (70.0%) followed by Flavobacterium
sp. (20%) and Vibrio sp. (10%). The Aeromonas isolate was highly susceptible to norfloxacin while the Flavobacterium and
Vibrio isolates were susceptible to chloramphenicol. The Aeromonas and Vibrio isolates exhibited protease and amylase
enzyme activities in vitro, suggesting their possible role in the progression of skin lesions and scale loss. The possibilities of
ambient unknown stressors weakening the fish and subsequent infections by these bacterial isolates are discussed.
Not Available
 
Date 2021-09-16T06:09:59Z
2021-09-16T06:09:59Z
2011
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/62882
 
Language English
 
Relation Not Available