1887

n Farmer’s Weekly - The stages of filtration - it's all about balance : perspectives in aquaculture

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Abstract

In any re-circulating-type system, the method of water quality control - filtration - is a key aspect. Poor water quality will make any system, no matter how good, with even the best performing species, uneconomic and unviable. Tilapia in South Africa require elevated water temperature, and must be grown at high densities in tunnel-based systems. Stocking rates of up to 30kg/m3 of water means that at near-harvest mass (400g to 500g) the demands on filtration are very high. Ammonia levels have to be kept low and oxygen saturation high, preferably over 6mg/, to avoid stress and to sustain maximum growth.

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/content/farmweek/2016/16015/EJC187288
2016-04-01
2016-12-07
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