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Background. Clove oil, containing the active ingredient eugenol, has been reported to be an inexpensive and effective fish anaesthetic. The objective of the presently reported study was to establish the lowest effective concentration of clove oil for the common carp, Cyprinus carpio L., and safe working ranges for the anaesthetic. Materials and Methods. Carp were exposed to the concentrations of 10,...
Background. The use of anaesthetics in aquaculture requires conducting specific physiological studies of its effect on fish. The objective of this study was to evaluate the direct effect of Propiscin (IRS Olsztyn, Poland) on the rate of isolated heart of common carp. Materials and Methods. The activity of isolated, perfused heart was recorded using an electrocardiograph. Propiscin was applied at concentrations...
Background. Ventilation volume is a parameter used mainly for determining oxygen consumption of fish. The aim of the present work was to determine the ventilation volume of carp, under conditions of pure, aerated water. Materials and Methods. Stroke volume and breathing rate of carp representing three size groups (258.7 ± 40.1 g, 449.3 ± 39.6 g, and 663.2 ± 32.3 g) were studied within the temperature...
Effects of electrode placement on the ECG quality were studied in 200-1500 g individual weight carp. Out of 12 combinations of lead placement relative to the cardiac muscle, 3 were found to produce the most legible, reproducible ECG′s.
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