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Bull Environ Contam Toxicol. 2012 Dec;89(6):1142-7. doi: 10.1007/s00128-012-0860-z. Epub 2012 Oct 18.

Environmental monitoring and health risk assessment of African catfish Clarias gariepinus (Burchell, 1822) cultured in rural ponds, India.

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1
Exotic Germplasm Section of Fish Health Management Division, National Bureau of Fish Genetic Resources, Canal Ring Road, PO Dilkusha, Lucknow, 226002 Uttar Pradesh, India. aksingh56@rediffmail.com

Abstract

Water quality monitoring of Clarias gariepinus culture ponds (n = 27) revealed poor physico-chemical conditions and metal contaminants in fish tissues (n = 324). Human health risk assessment for some heavy metal contamination delineated low risk in general except for Aluminium (Al), Iron (Fe) and Lead (Pb) which accumulated significantly (p < 0.05) high in tissues. Health risks values were 6.3 × 10(-3)-9.6 × 10(-3) for Al; 3 × 10(-3)-9.7 × 10(-3) for Fe and 1.15 × 10(-5)-9.3 × 10(-6) for Pb respectively suggesting that contamination of Pb particularly in ponds fed with chicken waste (CW) was posing high risks.

PMID:
23076615
DOI:
10.1007/s00128-012-0860-z
[Indexed for MEDLINE]
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