Residue and distribution of heavy metals in tissues of night heron chick bred in Yuantouzhu,Wuxi

Abstract

Abstract: This study analyzed Cd, Pb,Cr,Hg and Se in organs and tissues of night heron chick bred in Yuantouzhu,Taihu lake.Cr and Se have higher residue level in all the samples,compared to the residue of Cd.Pb and Cd mainly concentrated in feathers,on the other hand,Se,Hg and Cr were accumulated in livers.The results proofed that feather and liver were the object organs for accumulation of heavy metals.The data showed that Hg and Cd have some relationship with Se in birds.Compared with other studies,residue levels of heavy metals in night heron in Wuxi were not harmful.

Key words: Night heron, Heavy metals, Feather, Brain, Liver, Muscle

CLC Number:

X171

DONG Yuanhua, GONG Zhongming, WANG Hui, AN Qiong . Residue and distribution of heavy metals in tissues of night heron chick bred in Yuantouzhu,Wuxi[J]. Chinese Journal of Applied Ecology, 2002, (2): 213-216.

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