Acta Univ. Agric. Silvic. Mendelianae Brun. 2017, 65(4), 1231-1239 | DOI: 10.11118/actaun201765041231

Monitoring of Aquatic Biota in Intensive Fish Farming System

Lukáš Mareš, Pavla Řezníčková, Jakub Seifried, Jan Mareš, Ondřej Malý
Department of Zoology, Fisheries, Hydrobiology and Apiculture, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic

The aim of the study was to conduct a detailed research of aquatic invertebrates in the intensive breeding system of salmonid fish in order to determine the taxonomic composition of the community and its seasonal dynamics, and to identify those species that may be hosts of parasitic disease agents. To date, this issue has not been studied at all in the Czech Republic. Monitoring was conducted on the Danish type recirculation system near the municipality of Pravíkov in the Highlands of the Czech Republic from April till November 2015. A total of 9 series of samples were taken. Macrozoobenthos was evaluated in terms of taxonomic composition and abundance. Basic physicochemical properties of water (temperature, oxygen concentration, pH and conductivity) were also measured. In total, 69 taxa of aquatic invertebrates were noted, with the wall being the richest with a mean abundance of 756 pcs/m2. Permanent groups predominated; the most numerous group was the subphylum Crustaceae, represented by a single species, Asellus aquticus.

Keywords: intesive fish farming, macroinvertebrates, fish parasites
Grants and funding:

The research was financially supported by the Internal Grant Agency FA [No. IP_12/2016] and project NAZV "Increasing and improving the efficiency of production of salmonids in the Czech Republic using their genetic identification" [QJ1510077].

Published: September 1, 2017  Show citation

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Mareš, L., Řezníčková, P., Seifried, J., Mareš, J., & Malý, O. (2017). Monitoring of Aquatic Biota in Intensive Fish Farming System. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 65(4), 1231-1239. doi: 10.11118/actaun201765041231
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