Volume 16, Number 12—December 2010
Research
Freshwater Aquaculture Nurseries and Infection of Fish with Zoonotic Trematodes, Vietnam
Van Thi Phan
, Annette Kjær Ersbøll, Thanh Thi Nguyen, Khue Viet Nguyen, Ha Thi Nguyen, Darwin Murrell, and Anders Dalsgaard
, Annette Kjær Ersbøll, Thanh Thi Nguyen, Khue Viet Nguyen, Ha Thi Nguyen, Darwin Murrell, and Anders DalsgaardTable 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.
