Study on contamination and depuration of clam Scapharca subcrenata in the sea area of Qidong County in Jiangsu Province, China
1992
Wu, X | Ju, S
A serious bio-pollution of virus in clam (Arca) broke out in Jiangsu coast water in 1988 winter season. About 400 thousand people were spreaded in Shangai, Jiangsu and Jiangjang provinces. The results of investigation and research showed that this serious event was caused by virus of hepatitis due to eating raw clam (Arca). The ecological and physical and chemistry oceanography investigation in water, intertide zone, sediment were carried out. The virus of hepatitis A was isolated and biossay and tested in laboratory of Shangai Medicine University. Some experiments of depuration of clam were done in the Laboratory of East China Sea Fisheries Institute and mariculture experiment farm of Jiangsu coast water during 1988 to 1989. In general, after lasting 13 days of the experiment of adding special solution and feeding diatom, most of virus of hepatitis were killed. And then, after sterilizing of high pressure these cleaned clam still could be eaten safety. The expanding experiment in large scale of depuration still should be carried out in future.
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