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Comparison of closed recirculating fish culture systems with a closed recirculating aquatic turtle culture system Vergleich von Kreislaufanlagen fur Nutzfische und von Gesellschaftsaquarien der Susswasseraquaristik mit einer Kreislaufanlage fur Wasserschildkroten



Comparison of closed recirculating fish culture systems with a closed recirculating aquatic turtle culture system Vergleich von Kreislaufanlagen fur Nutzfische und von Gesellschaftsaquarien der Susswasseraquaristik mit einer Kreislaufanlage fur Wasserschildkroten



Salamandra. 30 Juni; 352: 97-112



In a present recirculating aquasystem for turtles, aerobic destroyers of organic compounds, as well as nitrifying and denitrifying bacteria are dissimilating waste so that there is no need for an exchange of water. This simple low density aquatic turtle culture is compared to expensive high density fish aquacultures and low density toy fish tanks. Ammonia, nitrite, and nitrate we analyzed in the turtle tanks during ten years. The concentrations of these ions were in the same order of magnitude in all three systems. In all cases, these levels were tolerable for fish and turtles. The amount of waste depends on the density of animals in the water. The tanks of turtle owners pursuing their hobby can be handled much easier than the tanks of fish producers interested in selling many big fish. The hobby pisciculture of Characidae also can be handled easily provided the tanks contain only a few animals.

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Vergleich von Kreislaufanlagen fur Nutzfische und von Gesellschaftsaquarien der Susswasseraquaristik mit einer Kreislaufanlage fur Wasserschildkroten. 1999

Vergleich von Kreislaufanlagen fuer Nutzfische und von Gesellschaftsaquarien der Suesswasseraquaristik mit einer Kreislaufanlage fuer Wasserschildkroeten. Salamandra 35(2): 97-112, 1999

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