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Prevalence of fishborne zoonotic parasites in important cultured fish species in the Mekong Delta, Vietnam.

Abstract：

:A seasonal investigation on the occurrence of fishborne zoonotic trematodes (FZT) in economically important mono-cultured hybrid catfish and giant gouramy was conducted in the Mekong Delta of Vietnam. Fish from carp poly-culture and intensive small-scale integrated vegetable-aquaculture-animal husbandry farming (VAC) systems were also examined. No FZT metacercariae were found in any mono-cultured hybrid catfish. FZT metacercariae were common, however, in fish from the other three systems: All metacercariae belonged to the Heterophyidae family of trematodes, Haplorchis pumilio, H. taichui, Centrocestus formosanus and Stellantchasmus falcatus. The FZT prevalence was 1.7% in mono-cultured giant gouramy, 6.6% in carp from the poly-culture and 3.0% in fish raised in the VAC system. H. pumilio was the most common FZT species constituting more than 58.0% of all metacercariae recovered. The prevalence of infection was significantly higher in the flooding season compared to the non-flooding season for both giant gouramy and fish reared in the VAC system. FZT intensity was greatest in fish from carp poly-culture, particularly in the flooding season. The results indicate that certain fish production systems are at risk for FZT, and control approaches will benefit from understanding these risk factors.

journal_name

Parasitol Res

journal_title

Parasitology research

authors

Thien PC,Dalsgaard A,Thanh BN,Olsen A,Murrell KD

doi

10.1007/s00436-007-0633-5

subject

Has Abstract

pub_date

2007-10-01 00:00:00

pages

1277-84

issue

5

eissn

0932-0113

issn

1432-1955

journal_volume

101

pub_type

杂志文章

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