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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






Salamandra. 30 Juni; 352: 97-112

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

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.


Accession: 038088518



Related references

Anonymous, 1999: Vergleich von Kreislaufanlagen fur Nutzfische und von Gesellschaftsaquarien der Susswasseraquaristik mit einer Kreislaufanlage fur Wasserschildkroten

Bartels, Hans-Joachim, 1999: Vergleich von Kreislaufanlagen fuer Nutzfische und von Gesellschaftsaquarien der Suesswasseraquaristik mit einer Kreislaufanlage fuer Wasserschildkroeten. 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...

Rakocy, J.E.; Allison, R., 1981: Evaluation of a closed recirculating system for the culture of Tilapia and aquatic macrophytes. Aeration, sedimentation, biofiltration, and aquatic macrophyte production were the wastewater treatment processes employed in three identical units of a closed recirculating system in outdoor concrete tanks. Each unit consisted of one fish product...

Allison, R.R.kocy, J.; Moss, D., 1981: A comparison of two closed recirculating systems for the culture of Tilapia. Advances in food producing systems for arid and semi arid lands edited by Jamal T Manassah Ernest J Briskey: 1019

Rakocy, J.; Allison, R., 1981: Evaluation of a closed recirculating system for the culture of Tilapia and aquatic macrophytes Wastewater treatment processes. Proceedings of the Bio Engineering Symposium for Fish Culture edited by Lochie Jo Allen and Edward C Kinney: 307

Iwata, N.; Kikuchi, K.; Takeda, S.; Kiyono, M., 1990: Production of high quality fish in intensive fish culture system 1. meat quality of the japanese flounder reared in closed recirculating culture system. The meat quality of Japanese flounder (Paralichthys olivaceus) reared in the closed recirculating culture system of CRIEPI (the CRIEPI flouder) was compared with that of wild Japanese flounder (the wild) and of Japanese flounder cultured in open s...

Uemoto, H.; Kikuchi, K.; Kiyono, M., 1993: Isolation of a marine ammonia-oxidizing bacterium from a closed recirculating seawater system for fish culture. An ammonia-oxidizing bacterium was isolated from the sludge of a closed recirculating seawater system for fish culture. The isolated cells were gram negative large coccus of 2.0 to 2.5 mu-m in diameter, and they occurred as single cells, diploids,...

Kaiser H.; Schmitz O., 1988: Water quality in a closed recirculating fish culture system influenced by addition of a carbon source in relation to feed uptake by fish. In a closed recirculating fish culture system with a rotating disc filter serving as 'biofilter', water quality was maintained by the addition of hydrolysed corn starch in the settable solids tank. According to the feed uptake by rainbow...

Hachey, M.; Kling, L.J.; Greenberg, N.; Gallagher, M., 2003: Intensive culture of rainbow smelt in closed recirculating systems. American Fisheries Society Annual Meeting 133: 218

Rakocy, JE., 1980: Evaluation of a closed recirculating system for Tilapia culture. Dissertation Abstracts International B Sciences and Engineering, 416: 1994