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The aim of the present study was to determine lethal concentrations LC50 of dibutyl phthalate (DBP) and benzyl butyl phthalate (BBP) for European pikeperch, Sander lucioperca (L.). The tests were conducted in a static system, using the following nominal concentrations of phthalates: 0.0; 2.09; 4.18; 6.28; 8.37; 10.46 mg DBP dm-3 and 0.0; 0.55; 0.99; 1.54; 2.09; 2.64 mg BBP dm-3. The mean lethal concentration...
The aim of this study was to determine the impact of the period mixed feed (formulated feed + Artemia sp.) is applied to the growth, survival, and digestive tract development of larval pikeperch (larva age – 6 days post-hatch (DPH)). The larvae were divided into three experimental groups and fed mixed feed from 6 to 12 DPH (group I), from 6 to 19 DPH (group II), and from 6 to 26 DPH (group III). After...
The study was aimed at determining effects of feed ration on growth, within-group variability, and chemical composition of the body of juvenile zander (c. 25 g initial individual weight) grown out in a recirculation system for 42 days. The fish were fed a commercial pelleted trout feed offered at three rations (Group L: 1.2% of stock biomass; Group M: 1.6% of stock biomass; and Group H: 2.0% of stock...
The aim of the present study was to evaluate the effect of fish size (BW 11.7 g in the PS group, and 28.1 g in the PL group), feeding (SDA effect), and starvation (4, 13, 19 or 26 days in the PS-S group, and 4 or 13 days in the PL-S group) on oxygen consumption (OC, mg O₂ kg⁻¹ h⁻¹), and ammonia excretion (AE, mg TAN kg⁻¹ h⁻¹) of the juvenile pike-perch Stizostedion lucioperca (L.) reared in water...
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