NDLI: Accumulation of human waterborne parasites by zebra mussels (Dreissena polymorpha) and Asian freshwater clams (Corbicula fluminea)

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Accumulation of human waterborne parasites by zebra mussels (Dreissena polymorpha) and Asian freshwater clams (Corbicula fluminea)

Content Provider	Semantic Scholar
Author	Graczyk, Thaddeus K. Conn, D. Marcogliese, David J. Graczyk, Halshka Lafontaine, Yves De
Copyright Year	2002
Abstract	Abstract. Zebra mussels (Dreissena polymorpha) and Asian freshwater clams (Corbicula fluminea) are nonindigenous invasive bivalves present in North American fresh waters that are frequently contaminated with human enteric parasites, Cryptosporidium parvum and Giardia lamblia. Six-week laboratory exposure of D. polymorpha and Corbicula fluminea to both parasites seeded daily at concentrations reported from surface waters demonstrated efficient removal of Cryptosporidium parvum oocysts and G. lamblia cysts by both bivalve species. The number of parasites in mollusk tissue progressively increased in relation to the concentration of waterborne contamination, and decreased after cessation of the contamination. Oocysts outnumbered cysts in the tissue of both bivalves, and more parasites were identified in D. polymorpha than in Corbicula fluminea; overall 35.0% and 16.3% of the parasites seeded, respectively. Because C. fluminea and D. polymorpha can accumulate human waterborne parasites in proportion to ambient concentrations, these species of bivalves can be effective bioindicators of contamination of freshwater habitats with Cryptosporidium and Giardia.
Starting Page	107
Ending Page	112
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1007/s00436-002-0729-x
PubMed reference number	12489009
Journal	Medline
Volume Number	89
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/s00436-002-0729-x
Alternate Webpage(s)	https://doi.org/10.1007/s00436-002-0729-x
Journal	Parasitology Research
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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