The use of chemical markers for the identification of farm escapees in feral mink populations

Variations in the contaminant burden in feral and ranch mink, resulting from differences in their diet, may permit the identification of farm escapees. However, this is only possible in the case of contaminants that accumulate to significantly different levels in the two groups of animals. The main...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 23(2014), 5 vom: 24. Juli, Seite 767-78
1. Verfasser: Brzeziński, Marcin (VerfasserIn)
Weitere Verfasser: Zalewski, Andrzej, Niemczynowicz, Agnieszka, Jarzyna, Ingeborga, Suska-Malawska, Małgorzata
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Metals, Heavy Selenium H6241UJ22B
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520 |a Variations in the contaminant burden in feral and ranch mink, resulting from differences in their diet, may permit the identification of farm escapees. However, this is only possible in the case of contaminants that accumulate to significantly different levels in the two groups of animals. The main objective of this study was to identify chemical markers whose concentrations differ between feral and ranch mink, by analyzing the accumulation of 13 chemical elements in liver and kidney samples. Total mercury levels were up to 15-fold higher in kidney, and up to 7-fold higher in liver of feral mink compared with ranch mink. The majority of feral mink samples analyzed for mercury, contained concentrations that ranged from 1 to 5 μg/g in kidney (68 %) and from 1 to 5 μg/g in liver (70 %). In comparison, the organs of ranch mink had significantly lower levels of mercury: 95 % of kidney samples had concentrations below 1 μg/g and 82 % of liver samples had concentrations below 1 μg/g. Small geographical variations in Hg levels were observed in mink from the four studied feral populations. Significant differences in Cu concentrations between ranch and feral mink were also detected, with low variation within the two groups. Less pronounced differences were recorded for other chemical elements. These data suggest that Hg and Cu may be used as chemical markers for the identification of first generation mink farm escapees 
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700 1 |a Niemczynowicz, Agnieszka  |e verfasserin  |4 aut 
700 1 |a Jarzyna, Ingeborga  |e verfasserin  |4 aut 
700 1 |a Suska-Malawska, Małgorzata  |e verfasserin  |4 aut 
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