Ponds are the most extensive aquaculture technology used in the Bangladesh. Active and proper pond management is essential to maintain maximum production levels and to ensure quality products. A host of management practices is necessary to address issues related to water quality, disease and pathogens, aquatic vegetation, sedimentation, and predator control. Managing dissolved oxygen (DO) levels in ponds is a major concern of pond managers because it typically involves the use of equipment that must either be built or purchased, often at considerable cost. Although natural pond dynamics attributable to biological and chemical processes produce the most Dissolved Oxygen to cultured organisms, conditions related to stocking density, season, and weather patterns can create the need for mechanical aeration (the process of adding oxygen to water to enhance productivity and survival of the aquaculture organism).
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