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Aeration, Filtration and Disinfection in Mariculture

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Relation http://eprints.cmfri.org.in/10673/
 
Title Aeration, Filtration and Disinfection
in Mariculture
 
Creator Ignatius, Boby
 
Subject Mariculture
 
Description Among various water quality parameters for a successful aquaculture practice, Dissolved oxygen content
in the water is one of the most important parameters, as the oxygen is a vital for all the organisms living in the
water and having an aerobic type of respiration. The purpose of aeration is to increase the concentration of
oxygen in the water. In scientific aquaculture practices, this is more critical because, often the rate of consumption
of oxygen is much higher than the natural rate of replenishment of oxygen in the water through diffusion from
atmosphere and photosynthesis of aquatic plants. Oxygen is one environmental parameter that exerts a
tremendous effect on growth and production through its direct effect on feed consumption and metabolism
and its indirect effect on environmental conditions. Oxygen affects the solubility and availability of many nutrients.
Low levels of dissolved oxygen can cause changes in oxidation state of substances from the oxidized to the
reduced form. Lack of dissolved oxygen can be directly harmful to culture organisms or cause a substantial
increase in the level of toxic metabolites. It is therefore important to continuously maintain dissolved oxygen at
optimum levels of above 3.5 ppm.
 
Publisher Central Marine Fisheries Research Institute
 
Date 2015
 
Type Teaching Resource
NonPeerReviewed
 
Format text
 
Language en
 
Identifier http://eprints.cmfri.org.in/10673/1/13.%20Boby%20Ignatius.pdf
Ignatius, Boby (2015) Aeration, Filtration and Disinfection in Mariculture. [Teaching Resource]