Browsing by Author "Fakhraini, Yunida"

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    Maintenance Juveniles of Freshwater Crayfish (Cherax quadricarinatus) Using Biofilter Kijing Taiwan (Anadonta woodiana, Lea) With System of Recirculation
    (2012-11-05) Fakhraini, Yunida
    The purpose of the research is to improving the quality of water through biofilter by using kijing taiwan (Anadonta woodiana, Lea) on the maintenance of a lobster to increase the rate of growth and survival rate juvenil of freshwater crayfish (Cherax quadricarinatus). This research was conducted from April to June 2012 in the Aquaculture Technology Laboratory Fisheries and Marine Science Faculty of Riau University.The method used was experiment, with 3 factors and 3 replications. The treatment with density 30, 50 and 70 juveniles/0,06 m3. The growth data were analysed using ANAVA. The best result of experiment showed on growth, absolute length growth, specific growth rate and survival rate were obtained in 50 juveniles/0,06 m3 3.05 g, 1.79 cm, 1.99% and 75.33%.