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Bacterial microflora associated with farmed freshwater prawn Macrobrachium rosenbergii (de Man) and the aquaculture environment

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dc.contributor.author Lalitha, K.V.
dc.contributor.author Surendran, P.K.
dc.date.accessioned 2013-08-02T09:01:50Z
dc.date.available 2013-08-02T09:01:50Z
dc.date.issued 2004
dc.identifier.citation Aquaculture Research 2004: 35, 629-635 en_US
dc.identifier.uri http://hdl.handle.net/123456789/362
dc.description.abstract The initial counts of bacteria associated with farmed giant freshwater prawn (Macrobrachium rosenbergii de Man) as well as with the water and sediment from two farms located at Kottayam district in Kerala(India) were determined. A total of 367 randomly selected isolates were characterized and identi¢ed. Prawn samples yielded mean microbiological counts of 4.92 log CFUg 1 of shell with muscle and 7.78 log CFUg 1of intestine at 30 1C. Bacterial numbers in the intestine of prawnweremuch higher than those in the pond water. Motile and non-motile aerobic Gram-negative bacteria together with Enterobacteriaceae accounted for 60^70% of themesophiles isolated from water and prawn. However, the microorganisms isolated in signi¢cant numbers from shell with muscle and intestine of prawn were not recovered fromthe growing waters. Among Gram-positive bacteria, Micrococcus, Bacillus,coryneforms, and Arthrobacter were found. Faecal oliforms and enterococci were found in signi¢cant numbers in M.rosenbergii. The rearing practices such as feeding and pond fertilization could have in£uenced the micro£ora in prawn. The commensal micro£ora of freshwater prawn included opportunistic pathogens such as Aeromonas spp. and Streptococcus spp. Storage of prawn at elevated temperatures can permit their survival and growth leading to quality loss.Care should be exercised during handling and processing to prevent contamination of edible meat. en_US
dc.language.iso en en_US
dc.publisher Blackwell Publishing Ltd. en_US
dc.subject bacterial microflora en_US
dc.subject macrobrachium rosenbergii en_US
dc.subject freshwater prawn en_US
dc.title Bacterial microflora associated with farmed freshwater prawn Macrobrachium rosenbergii (de Man) and the aquaculture environment en_US


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