2012
DOI: 10.1007/s11356-012-1210-8
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Lead accumulation and elimination in tissues of Prussian carp, Carassius gibelio (Bloch, 1782), after long-term dietary exposure, and depuration periods

Abstract: We studied the bioaccumulation of lead in selected tissues of Prussian carp Carassius gibelio (Bloch, 1782) during 12 and 24 months exposure to different doses of this metal in feed and the elimination of lead from tissues during the following 12-month depuration period. Lead concentration was determined using atomic absorption spectrometry method. The highest lead concentrations were observed at 2.0 ± 0.54 to 7.4 ± 1.1 mg kg−1 in the kidney, 3.0 ± 0.13 to 5.2 ± 0.17 mg kg−1 in the bone, and 4.5 (±0.4) mg kg−1… Show more

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Cited by 40 publications
(27 citation statements)
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“…In an analogous experiment performed in aquariums, the observed levels of lead in the kidney after 3 months were similar. However, the level continued to increase until the 18 th month of the exposure, when the maximum lead concentration of 7.5 mg/kg was observed in the group exposed to 49 mg Pb/kg (Luszczek-Trojnar et al 2013). Already after the first dormancy period, in the 12 th month of the exposure, the level of lead in the kidney decreased significantly (Supplementary Figure S9), which proves its sensitivity to the break in the consumption of the contaminated feed.…”
Section: Monthsmentioning
confidence: 79%
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“…In an analogous experiment performed in aquariums, the observed levels of lead in the kidney after 3 months were similar. However, the level continued to increase until the 18 th month of the exposure, when the maximum lead concentration of 7.5 mg/kg was observed in the group exposed to 49 mg Pb/kg (Luszczek-Trojnar et al 2013). Already after the first dormancy period, in the 12 th month of the exposure, the level of lead in the kidney decreased significantly (Supplementary Figure S9), which proves its sensitivity to the break in the consumption of the contaminated feed.…”
Section: Monthsmentioning
confidence: 79%
“…In the present research the concentration of lead in the intestine of the control fish ranged from 0.07 to 0.5 mg/kg, depending on the season (Supplementary Figures S5 and S6). In the study performed on the fish kept in aquariums, lead concentration in the control group did not show such changes over a year and did not exceed 0.25 mg/kg (Luszczek-Trojnar et al 2013). This observation itself suggests that in the natural environment of ponds, which contain river waters, whose composition may change over the year, the digestive system of fish is subjected to less stable chemical conditions.…”
Section: Monthsmentioning
confidence: 84%
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