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Optimization model of paddlewheel as water quality engineering tool in intensive pond culture of vannamei shrimp (litopenaeus vannamei). in bbap situbondo, east java, Indonesia.

A.Kurniawan, Marsoed, M. Fadjar

Faculty of Fisheries and Marine Science Postgraduate Program, University of Brawijaya, Malang, East Java, Jl. Veteran, Malang, Indonesia

Key words: Paddlewheel, water quality, vannamei shrimp.

vannameiAbstract

The aims of this reasearch was to determine the number of paddlewheel at shrimp intensive ponds. A dynamic model was used to obtain optimal value or amount in the application of paddlewheel. Stella 9.1.4 software programing was employed to find relationships among parameters. The result showed that the optimal number of paddlewheel was 1 paddlewheel with SAE (Standart Aeration Efficiency) was 1,31 kgO2/kWh. The percentage of oxygen consumption on vannamei shrimp until final cultivation was 24% during the cultivation, the percentage of oxygen consumption on vannamei shrimp had increased. In this research, total oxygen demand was 567 ppm, shrimp production was 1054,88 kg, the amount of feed was 2278,1 kg with a pond area was 600 m2, stocking density was 133 PL/m2 during a cultivation period of 98 days.

Get the original articles in Source: Volume 5, Number 5, November 2014 – IJAAR

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