Study on the vectors on small animals and potential pathogens in Lienchiang County and Kinmen County
Date Issued
2006
Date
2006
Author(s)
Wu, Yin-Wen
DOI
zh-TW
Abstract
The offshore island of Lienchiang County and Kinmen County are very close to the Mainland China. Since sea-borne transportation among these islands and the mainland was opened since 2001, that murine-like animals would possible to the islands from the mainland China and cause damage to crops and animals, as well as propagating murine-borne diseases such as hatavirus, rickettsial diseases etc. This study attempted to know the relationship among murine-like animals, vector and pathogens.
Live-trapping methods was used in this study from 2001-2006. Totally, 2355 murine-like animals were trapped at 7 trapping stations in 24928 trap-nights in Kinmen. The trap rate was 9.4% (2355/24928) and 7 murine-like animals, Rattus norvegicus, Rattus rattus, Rattus losea, Mus musculus, Mus caroli, Callosciurus erythraeus and Suncus murinus, were caught on Kinmen County. There were 4 stations in Lienchiang County at which 651 murine-like animals were trapped in 13419 trap-nights. The trap rate was 4.8% (651/13419) and, six murine-like animals, R. norvegicus, R. rattus, R. losea, M. musculus, M. caroli and S. murinus, were caught on Lienchiang County.
We collected 1 flea genus (Nosopsylla Sp.) and 3 flea species (Xenopsylla cheopis, Leptopsylla segnis and Nosopsylla Sp.) and the flea index were 0.08 and 0.24 from murine-like animals in Kinmen and Lienchiang Counties, respectively. The lice, ticks, mite, and chiggers collected from Kinmen and Lienchiang they didn’t relevant the sex of host significantly.
The seroprevalence of Rickettsia rickettsii, Rickettsia typhi, Rickettsia coronii, and Coxiella burinetii (Phase I and Phase II) in murine-like animals were 72.7%、2.7%、59.0%、0.5%, and 1.1%, respectively in Kinmen County.
The seroprevalence of R. rickettsii, R. typhi, R. coronii, and C. burinetii (Phase I and Phase II) in murine-like animals were 50.0%、3.0%、37.3%、1.1%, and 1.1% of 67 animals, respectively in Lienchiang County.
There was no significant difference in the seroprevalence between the two counties (Kinmen 3.8% vs. Lienchiang 3.9%), significant differences in the positive rates were found by the locality of trapping stations in the two studied areas. The positive rate in Liaolo (17.9%) of Kinmen County was significantly higher than the remaining trapping stations and those in Matsu Distillery (10.3%) and Fushing (5.8%) of Lienchiang Counties were significantly higher than the remaining ones. Moreover, a significant inverse correlation was found between the seropositive rate and the distance of small mammal sampling sites to the seaport (P < 0.01). These findings suggest the role of seaport as a source of hantavirus.
Subjects
連江縣
金門縣
小型動物
病媒
病原體
Lienchiang County
Kinmen County
small animal
vector
pathogen
Type
thesis
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