Industrial Aquaculture Case Study

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.2.2. Pesticides.
Pesticides are using to avoid the parasites problems such as sea lice, a skin and blood eating parasite and leading to the fish death and risk is that the pesticide can effect on non-target species (Auchterlonie and Jeffery, 2015). Study of Willis and Ling (2004), recorded that pesticide emamectin benzoate of use for lice in salmon aquaculture shows the acute and sublethal toxicity on non-target planktonic marine copepods.

4.Overcome the risk of Industrial aquaculture
To overcome the effects of organic waste and nutrient pollution in aquaculture, Auchterlonie and Jeffery (2015), argued that nutrient-rich water resources use only for culturing extractive species like bivalves or seaweeds. As well as they suggested to improve
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Crab aquaculture started in the 1990s associated with Negombo lagoon and small shrimp farm stated in 1977 associated with Batticaloa lagoon. Early 1990s aquaculture started as a slow growth. But with the public attraction uncontrollable and rapid expansion of Shrimp aquaculture was distributed during 1992-1996. From 1996 shrimp industry affected by the disease outbreaks and environmental issues restricted to the narrow belt approximately with 120 km by 10 km in the North Western Province. After the collapse of aquaculture due to the lack of proper low, illegal farming, unorganized farming, the disease started to grow slowly from 2004(Asbjorn, 2013).
There are many opportunities in Sri Lanka to develop the industrial aquaculture. Inland freshwater bodies and coastal zones are providing sufficient basis for developing the industrial aquaculture. Small-scale aquaculture sector of Sri Lanka consists of mollusk culture, Indo-Pacific Swamp crab, shrimp culture, aquatic plant culture, and ornamental fish culture reservoir Fisheries. About 10,000 hectares of brackish water resource is available for finfish culture (Kasagala,

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