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Effective use RAS technolgy for breeding of ornamental fish in garden tanks.
MITÁŠ, Jaromír
The aim of this thesis was to evaluate the efficiency of the technology RAS for water cleaning and conditioning for ornamental tanks with an emphasis on sustainable conservation of water transparency. Initial costs for building the tank, operational costs and costs of purchasing fish were compared. Results include measurements that have been carried out on private property of the author, who breeds ornamental koi carp (Cyprinus carpio). The filtration of breeding tank was formed by vortex, by chamber with brushes, chamber with bioblocks and bioaquacitem. Tentative and 24 hours measurements of selected variables were used for data obtaining. The results indicate that the filter system is effective, but it had insufficient capacity. Transparency of water and elimination of glaucoma was solid by involving of UV lamp into the system of filtration. Available commercial resources were successfully used for controlling of filamentous algae. This thesis also includes a brief overview of ornamental fish species of our region, Moreover we mentioned the most common diseases, causative agents, symptoms and treatments. Overall, monitoring of the system of the garden's ornamental tank confirmed that water quality is dependent on the right choice and dimensioning of the filtration system and that current technology of recirculating of aquaculture systems can be successfully and effectively used within the construction and operation of tanks used for breeding of ornamental fish species.
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