Although thallium (Tl) is toxic to both humans and animals, there is little information on contamination in wildlife. In this study, Tl contents in wild ducks in Japan were determined. Contents of Tl in kidney and liver ranged from 0.42 to 119.61 and 0.10 to 33.94 μg/g dry weight, respectively. Significant correlations between Tl contents in kidney and liver were observed for all dabbling ducks except mallard (Anas platyrhynchos); similar correlations were not observed in diving ducks. Variation in Tl content was observed between sampling locations with the highest mean Tl content in the Eurasian wigeon (Anas penelope) collected in Ibaraki Prefecture.
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1 July 2005
Thallium Contamination in Wild Ducks in Japan
Mariko Mochizuki,
Makoto Mori,
Mayumi Akinaga,
Kyoko Yugami,
Chika Oya,
Ryo Hondo,
Fukiko Ueda
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Journal of Wildlife Diseases
Vol. 41 • No. 3
July 2005
Vol. 41 • No. 3
July 2005
Duck
thallium
wild bird