Abstract
The hares assayed (n=84) were divided into five age groups: 3-6; 12; 12-24; 24-36 and 36 + months. Between all sampling regions (11) significant differences of Cd levels were found in kidney and liver (p value, p=0.001 and 0.007, respectively) . Significant statistical differences (p=0.001) are registered between Cd content in kidney and liver of hares among all represented age groups. Looking at all investigated hare samples, moderately higher concentrations of Zn were found in liver (median value: 25.4 mg/kg w.w) compared to those in kidney (21.4 mg/kg). These differences were statistically significant (p=0.001). Zinc concentrations in liver, between all age groups, did not differ significantly (p=0.512) but in kidney these differences were statistically significant (p=0,001). Significant differences between Zn concentrations in liver in comparison to kidney (pairwise differences) were found within every single age group with exception of the oldest (36+ ) . Strong statistically significant correlations (Ps- Pearson's correlation ) between Cd concentrations in kidney and liver were registered in three groups older than 12 months (Ps=0.81, p=0.001; 0.78, p=0.001; and 0.79, p=0.001, respectively). Negative correlation between Zn and Cd concentrations were found in liver samples within the age group of 12 months (Ps= -0,67, p=0.004). <br><br><font color="red"><b> This article has been retracted. Link to the retraction <u><a href="http://dx.doi.org/10.2298/HEMIND151030061E">10.2298/HEMIND151030061E</a><u></b></font>
Highlights
The assayed hares (n = 84) were divided into five age groups: 3–6, 12, 12–24, 24–36 and 36+ months
Looking at all sampling regions (Figure 1) significant differences of median values were noted in Cd levels in kidney and liver (p = 0.001 and p = 0.007, respectively)
Based on non-parametric analysis between sampling localities, we found significant differences of Zn concentrations in the kidney (p = 0.001) while in the liver these differences were not statistically siginificant (p = 0.155)
Summary
Between all sampling regions (11) significant differences of Cd levels were found in kidney and liver (p values of 0.001 and 0.007, respectively). Significant statistical differences (p = 0.001) are registered between Cd content in the kidney and liver of hares among all represented age groups. Looking at all investigated hare samples, moderately higher concentrations of Zn were found in the liver (median value: 25.4 mg/kg w.w.) compared to those in the kidney (21.4 mg/kg). These differences were statistically significant (p = 0.001). Zinc concentrations in the liver, between all age groups, did not differ significantly (p = 0.512) but in the kidney these differences were statistically significant (p = = 0.001). The present study was projected to estimate bioaccumulation trends of Cd and Zn during the lifetime of European hares and interactions between Cd and Zn in hare organs if any exists and try to model the dependency of liver Cd and Zn concentrations
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