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The ingestion and accumulation of zinc, copper, lead, cadmium and arsenic in the yangtze finless porpoise, Neophocaena phocaenoides asiaeorientalis
Yang Jian (jiany@ffrc.ac.cn); Yin Jun; Xu Hai-Lun; Gong Xiao-Qing; Yu Rui-Peng; Wang Ding; Yang Jian; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2005
Source PublicationActa Hydrobiologica Sinica
ISSN1000-3207
Volume29Issue:5Pages:557-563
AbstractEstimated 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.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18479
Collection期刊论文
Corresponding AuthorYang Jian; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Yang Jian ,Yin Jun,Xu Hai-Lun,et al. The ingestion and accumulation of zinc, copper, lead, cadmium and arsenic in the yangtze finless porpoise, Neophocaena phocaenoides asiaeorientalis[J]. Acta Hydrobiologica Sinica,2005,29(5):557-563.
APA Yang Jian .,Yin Jun.,Xu Hai-Lun.,Gong Xiao-Qing.,Yu Rui-Peng.,...&Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2005).The ingestion and accumulation of zinc, copper, lead, cadmium and arsenic in the yangtze finless porpoise, Neophocaena phocaenoides asiaeorientalis.Acta Hydrobiologica Sinica,29(5),557-563.
MLA Yang Jian ,et al."The ingestion and accumulation of zinc, copper, lead, cadmium and arsenic in the yangtze finless porpoise, Neophocaena phocaenoides asiaeorientalis".Acta Hydrobiologica Sinica 29.5(2005):557-563.
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