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Volume 16, Number 12—December 2010

Research

Freshwater Aquaculture Nurseries and Infection of Fish with Zoonotic Trematodes, Vietnam

Van Thi PhanComments to Author , Annette Kjær Ersbøll, Thanh Thi Nguyen, Khue Viet Nguyen, Ha Thi Nguyen, Darwin Murrell, and Anders Dalsgaard
Author affiliations: Author affiliations: Research Institute for Aquaculture No.1, Bac Ninh, Vietnam (V.T. Phan, K.V. Nguyen, H.T. Nguyen); University of Southern Denmark, Odense, Denmark (A.K. Ersbøll); Vinh University, Vinh, Vietnam (T.T. Nguyen); University of Copenhagen, Copenhagen, Denmark; (V.T. Phan, D. Murrell, A. Dalsgaard)

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Table 1

Descriptive analysis of fishborne zoonotic trematode and fish species in nursery systems in Nam Dinh and Ninh Binh provinces, northern Vietnam*

Fish species and culture system
Fishborne zoonotic trematode species, n/N (%)
Clonorchis sinensis
Haplorchis pumilio
Haplorchis taichui
Centrocestus formosanus
Overall
12/797 (1.5)
443/797 (55.6)
2/797 (0.3)
327/797 (41.0)
Fish
Grass carp 6/313 (1.9) 213/313 (68.1) 1/313 (0.3) 186/313 (59.4)
Rohu 1/208 (0.5) 92/208 (44.2) 65/208 (31.3)
Mrigal 0/55 (0) 17/55 (30.9) 2/55 (3.6)
Pacu 0/8 (0) 6/8 (75.0) 5/8 (62.5)
Silver carp
5/213 (2.4)
115/213 (53.99)
1/313 (0.3)
69/213 (32.4)
Culture system
1-week-old juveniles 0/197 (0) 87/197 (44.2) 138/197 (70.1)
4-week-old juveniles 5/277 (1.8) 224/277 (80.9) 1/277 (0.4) 133/277 (48.0)
Overwintered juveniles 7/323 (2.2) 132/323 (40.9) 1/323 (0.3) 56/323 (17.3)

*n, no. fish infected with specific fishborne zoonotic trematode species; N, no. fishborne zoonotic trematode–infected fish; –, no parasites found.

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