AI Article Synopsis
- Researchers examined snails and freshwater fish from four ponds in Meinung township, previously known for Clonorchis sinensis, and found no metacercariae in Tilapia nilotica, but some infection in Ctenopharyngodon idellus.
- 16.2% of Ctenopharyngodon idellus had Haplorchis pumilio, while a smaller percentage were infected with H. taichui and Clonorchis sinensis.
- The study identified six snail species, with Melanoides tuberculata and Thiara granifera commonly carrying H. pumilio, and discussed possible reasons for the decline of Clonorchis sinensis in the area.
Article Abstract
Snails and freshwater fish were examined from four ponds in the Meinung township in which Clonorchis sinensis was known to be endemic 18 years ago. No metacercariae were found in 478 Tilapia nilotica, whereas of 451 Ctenopharyngodon idellus examined, 16.2%, 3.3% and 0.9% were found to be infected with Haplorchis pumilio, H. taichui and Clonorchis sinensis, respectively. In addition, there were some unidentified metacercariae in 12.0% of Ctenopharyngodon idellus examined. Overall, no positive correlation between infection rates and sizes of infected fish was shown. Six species of snails were collected in this survey and two frequently-occurring snails, Melanoides tuberculata and Thiara granifera were commonly infected with H. pumilio. Reasons for the prevalence of Haplorchis species and the absence of Clonorchis sinensis in fish and snail hosts in a previously reported endemic area for human clonorchiasis are discussed.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1079/JOH2002114 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!