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      Sistem resirkulasi air tertutup untuk pembenihan ikan patin (Pangasius sp.) (bagian 1): Pengendalian suhu air dengan pengendali mikrokontroller

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      Date
      2001
      Author
      Subrata, I Dewa Made
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      Abstract
      Catfish (Pangasius sp.) culture is one of the agricultural commodities with a high economic value and can be chosen as one of the fanner's alternative to increase added value to their land. Generally. catfish cultural consist of activities such as: hatcheries, pre-growing, and growing on the pond or floating net. To produce high quality of fish hatcheries. the hatchery condition such as water quality (water temperature. pH, oxygen dissolve, and so on), feed quality and quantity need to be maintained in suitable condition for hatchery. Water temperature is one of the importance factors to increase metabolism rate and to decrease the probability of the pathogen to cause diseases to the fish. A Water recirculation system was applied to increase the freshness of water on the cuttural tank. The purpose of this study was to develop a water recirculation system with water temperature controlled system for catr/Sh hatcheries. The water recirculation system consists of reservoir water tank, cultural tank, and waste water tank or sedimentation tank to which water from the sedimentation tank was pumped back into the reservoir tank. Wafer on the reservoir tank was heated using a 1000 watt electric heater and the water temperature was maintained at about 31"C by mean of micro-contro/ler. The experimental result shown that the developed system was able to maintain water temperature of the culture tank within optimum temperature range of 29.6"C to 31.7"C.
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      http://repository.ipb.ac.id/handle/123456789/54559
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