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Publication
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| Title of Article |
Effects of aestivation on survival of Bithynia siamensis goniomphalos snails and the infection of Opisthorchis viverrini in the irrigation area of wet- and dry-season rice paddy |
| Date of Acceptance |
15 January 2019 |
| Journal |
| Title of Journal |
acta tropica |
| Standard |
SCOPUS |
| Institute of Journal |
Elsevier B.V. |
| ISBN/ISSN |
0001-706X |
| Volume |
2019 |
| Issue |
192 |
| Month |
January |
| Year of Publication |
2019 |
| Page |
55-60 |
| Abstract |
The snail Bithynia siamensis goniomphalos acts as the first intermediate host of the human liver fluke, Opisthorchis viverrini, a major cause of cholangiocarcinoma inNortheast Thailand. In this study, we investigated host-parasite interactions in wet- and dry-season rice paddy plantation. The snails that aestivated through 4-month-dried period after rice harvest had average mortality rate of 36.45% and monthly increasing from 17.76% to 54.57%. Surprisingly, atdepthsgreaterthan 5cmexperiencedahighermortality ratethanupperlevel.Averagemortality rate at the depth more than 5cm, was 42.97%. In the initial month of aestivation, mortality rate of 0–5 and 5–10cm depth was 9.13% and 26.39% then increase to 57.58% and 51.97%, respectively in the last 4th month. TheaverageprevalenceO.viverriniinfection insnailsduringthestudyperiodwas0.44%.Thehighestprevalence of O. viverrini infection was found in the cool dry and wet season. The odds of O. viverrini infection in female snails and large snails were higher relative to male snails and medium-sized snails. The physicochemical factors involved in increased prevalence of O. viverrini infection in snail hosts were mean daily air temperature and average monthly rainfall. Short aestivation period made lower mortality in irrigation area than the previous report of non-irrigation area, that is, the aestivation is one of snail population control. |
| Keyword |
Opisthorchis viverrini, Bithynia siamensis goniomphalos, Aestivation, Wet-season rice paddy, Dry-season rice paddy |
| Author |
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| Reviewing Status |
มีผู้ประเมินอิสระ |
| Status |
ตีพิมพ์แล้ว |
| Level of Publication |
นานาชาติ |
| citation |
false |
| Part of thesis |
true |
| Attach file |
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| Citation |
0
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Journal Publication
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