| gnathostoma infection in nakhon nayok and prachin buri, central thailand. | gnathostoma infection in nakhon nayok and prachin buri provinces, central thailand, was investigated. the prevalence and intensity of infection of swamp eels were determined; dog fecal samples and fresh-water copepods were examined for evidence of infection. the overall prevalence of eel infection was 38.1% (117/307) in nakhon nayok and 24.0% (74/308) in prachin buri--the former rate being significantly higher than the latter. most of the positive nalkhon nayok eels (53.8%) harbored only 1-9 lar ... | 2002 | 12693579 |
| gnathostoma infection in fish caught for local consumption in nakhon nayok province, thailand. ii. deasonal variation in swamp eels. | from august 2000 to august 2001, 1844 swamp eels (monopterus albus) were purchased from several local markets in nakhon nayok province, thailand, and examined for the presence of gnathostoma advanced third-stage larvae. the overall prevalence was 30.1% and the mean number of larvae/eel (infection intensity) was 10.0. the highest infection rate (44.1%) was found in august 2000 and the lowest (10.7%) in march 2001. the greatest mean number of larvae/eel (75.1) was found in august 2000, whereas the ... | 2004 | 15916069 |