Impact of telemetry transmitter implantation on growth of juvenile european catfish
2014
Kalous, L., Czech University of Life Sciences, Prague (Czech Republic). Dept. of Zoology and Fisheries | Danek, T., Czech University of Life Sciences, Prague (Czech Republic). Dept. of Zoology and Fisheries | Kopecky, O., Czech University of Life Sciences, Prague (Czech Republic). Dept. of Zoology and Fisheries | Petrtyl, M., Czech University of Life Sciences, Prague (Czech Republic). Dept. of Zoology and Fisheries
In the present study, we aimed to evaluate the effects of intraperitoneal tagging with dummy transmitters on growth of juvenile European catfish (Silurus glanis L.) within a period of 75 days kept in indoor condition. The initial mass of juveniles (mean +/- SD) was 236.5 +/- 21.2 g. We compared growth by analysing specific growth rate (SGR) and the slopes of the growth curves between control individuals and those of experimentally tagged (n = 6 per group). Body mass was increased in both control and experimentally tagged fish. There was no significant difference in SGR between tagged and untagged fish; 0.26 +/- 0.11 %/day vs. 0.38 +/- 0.12 %/day respectively. These results suggest that the telemetry studies of juvenile European catfish to be relevant and unbiased.
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