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题名: The ingestion and accumulation of zinc, copper, lead, cadmium and arsenic in the yangtze finless porpoise, Neophocaena phocaenoides asiaeorientalis
作者: Yang Jian (jiany@ffrc.ac.cn) ; Yin Jun ; Xu Hai-Lun ; Gong Xiao-Qing ; Yu Rui-Peng ; Wang Ding
通讯作者: Yang Jian ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2005
卷: 29, 期:5, 页:557-563
收录类别: 其他
英文摘要: Estimated daily and weekly intakes of trace element for 3 captive Yangtze finless porpoises were calculated, based oil the rearing records and concentration of zinc (Zn), copper (CU), lead (Pb), cadmium (Cd) and arsenic (As) in food crucian carp ( Carassius auratus) ill Institute Of Hydrobiology, the Chinese Academy of Sciences. Ranges of the estimated daily intakes of trace element studied per porpoise were 21.7 similar to 49.52 mg for Zn, 1.91 similar to 2.98 mg for Cu, 0.21 similar to 3.98 mg for Pb, 0.04 similar to 0.20 mg for Cd and 0.39 similar to 0.99 mg for As. The estimated weekly intakes calculated of essential Cu, Zn were similar to Provisional Tolerance Weekly Intake (PTWI) for human (suggested by WHO/FAO). However, those of highly toxic Pb, Cd and As were much more than the PTWI of human. Also, tile distribution patterns and levels of these trace elements were ascertained in a Yangtze finless porpoise died accidentally in Tian-e-zhou water in Hubei province. Tendency of tissue or organ specific accumulation of studied elements was found in finless porpoise, such as in the liver for Cu (50.7 mu g/g dry weight.) and As (0.80 mu g/g dry weight), the skill for Zn (579 mu g/g dry weight) and the kidney for Cd (7.7 mu g/g dry weight). Special requirement for corresponding elements may Mainly Contribute to this tendency, rather than the difference between fresh water and marine environment. Our study suggests that the food safety criterion for captive cetaceans ( especially in aquariums) is necessary for controlling the contamination of pollutants front food sources. Further study on the relation between trace element and life function should be one of most important field for the development of cetacean nutritional chemistry and ecological toxicology.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18479
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Yang Jian (jiany@ffrc.ac.cn) ; Yin Jun; Xu Hai-Lun; Gong Xiao-Qing; Yu Rui-Peng; Wang Ding.The ingestion and accumulation of zinc, copper, lead, cadmium and arsenic in the yangtze finless porpoise, Neophocaena phocaenoides asiaeorientalis,Acta Hydrobiologica Sinica,2005,29(5):557-563
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文件名: The ingestion and accumulation of zinc, copper, lead, cadmium and arsenic in the yangtze finless porpoise, Neophocaena phocaenoides asiaeorientalis.pdf
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