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Growth and survival rate of bonylip barb (Osteochilus vittatus) in round water flowing container

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Yustiati A., Rojai M. T. S. i., Suryadi I. B. B., Iskandar I.
World News of Natural Sciences
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2022
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vol. 42
44-55
EN
This research is done to reveal the effect of water flow on the round container to increase the growth and survival rate in bonylip barb. The method used in this research is an experimental method using a Completely Random Design (CRD) which is consist of three treatments and five repetitions. The treatments are round container without water flow (A), round container with 0,1 m s-1 of water flow (B) and round container with 0,1 m s-1 of water flow with an additional venturi aerator. The numbers of bonylip barb fingerlings used in this research are 900 with a length of 1-3 cm. The container used in this research is 15 water gallons with a volume of 19L. The density of the container is 60 fish per container. Fish maintained for 40 days. The feeding rate given is 5% of the biomass. The observed parameters are survival rate, daily growth rate and feed conversion ratio observed every 10 days. The result showed that the water flow combined with the venturi aerator give the best result with 77.3% of survival rate, 3.12% of daily growth rate and 1.42 feed conversion ratio.
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Maintaining the water consumption, in an urban system: A probabilistic approach is applied

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Selmani Bouayoune K., Boudi E. M., Bachir A.
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