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Pathogenicity and antibiotic susceptibility of <i style="">Vibrio</i> species isolated from moribund shrimps

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Title Pathogenicity and antibiotic susceptibility of Vibrio species isolated from moribund shrimps
 
Creator Thakur, Abhay B.
Vaidya, R. B.
Suryawanshi, S. A.
 
Subject Shrimp
antibiotic resistance
Vibrios
Penaeus monodon
 
Description 71-75
The population of Vibrios in diseased Penaeus monodon collected from culture ponds situated at Uran, Maharashtra (west coast of India) was studied. All animals collected were associated with more than one Vibrio species. Bacterial identification based on morphological and biochemical characteristics showed that four groups of Vibrios were present in shrimp hepatopancreas namely Vibrio parahaemolyticus, V. alginolyticus, V. anguillarum and V. vulnificus. The diseased shrimps displayed poor growth, lethargic movements, red discolouration and mortality. Experimental infection of healthy P. monodon using the isolated Vibrios produced varying degrees of mortality. Antibiotic resistance of the isolated Vibrios were investigated. All the four species were sensitive to Erythromycin, Chloramphenicol and Streptomycin. However, V. parahaemolyticus and V. anguillarum showed resistance to Oxytetracycline and Polymyxin-B respectively and V. parahaemolyticus and V. vulnificus were resistant to ampicillin. Hence, antibiotic application to control vibriosis in shrimp farms may have limited effectiveness, based on the efficacy of the drug, because of the development of resistant strains of bacteria.
 
Date 2009-05-18T04:01:48Z
2009-05-18T04:01:48Z
2003-03
 
Type Article
 
Identifier 0379-5136
http://hdl.handle.net/123456789/4228
 
Language en_US
 
Publisher CSIR
 
Source IJMS Vol.32(1) [March 2003]