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Ecology and pathogenicity of the anaerobic pathogen Clostridium botulinum seen in farmed fish shellfish and fishery products

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Relation http://eprints.cmfri.org.in/7106/
 
Title Ecology and pathogenicity of the anaerobic pathogen Clostridium botulinum seen in farmed fish shellfish and fishery products
 
Creator Lalitha, K V
 
Subject Theses
Fish Pathology
Shell fish
 
Description Aquaculture has become one of the expanding food production method in the world. Its
growth rate in the last decade has been phenomenal recording 9.4% per year from 1986 to
1995 (FAO 1977). Global aquaculture production totalled 27 .8 mmt and aquaculture
production of fi sh and shellfish reached 20.9 mmt in 1995.
India is a major fish producing country in the world. Aquaculture production of
fish and shellfish in India increased from 686260 metric tonnes to 1608938 metric tonnes
over the period 1986 to 1995. In aquaculture, India holds the second position in the
world.
Aquaculture contributes substantially to world food used for direct human
consumption. Percapita food fish supply from aquaculture has increased by 163% since
1984, from l.4kg to 3.68kg in 1995. With the marine fish production reaching a plateau,
any further demand for fish has to be met from aquaculture only. In order to reduce the
gap between supply and demand of food fish development of ecofriendly and sustainable
aquaculture is very important.
Fish and crustaceans are generally safe food for human. However, the risk of
contamination of fishery products by microorganisms, chemicals etc. is greater in farming
systems compared to open seas. Food safety hazards due to microorganisms are
significant from human health consideration. Bacteriological hazards include pathogenic
bacteria associated with food-borne disease. There are two broad groups of pathogenic
bac teria of public health significance that will contaminate products from aquaculture -
those th at are indigenous to the aquatic environment from which fi sh/shellfish are
harvested and those introduced into fish/shellfish as a result of environmental
contamination resulting from di sposal of sewage and land run-off. In addition to this,
pathogens are also introduced into fish and fishery products during post harvest handling
and processing. One major pathogen associated with food poisoning is Clostridium
botulinum .
 
Date 1998
 
Type Thesis
NonPeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/7106/1/TH-84_Lal.pdf
Lalitha, K V (1998) Ecology and pathogenicity of the anaerobic pathogen Clostridium botulinum seen in farmed fish shellfish and fishery products. Doctoral thesis, Central Institute of Fisheries Education, Versova.