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Seasonal variation in the prevalence and intensity of canine Gnathostoma spinigerum infection in northeastern Thailand

Published online by Cambridge University Press:  05 June 2009

W. Maleewong ,
S. Pariyanonda ,
P. Sitthithaworn ,
W. Daenseegaew ,
V. Pipitgool ,
S. Tesana ,
C. Wongkham ,
P. Intapan  and
N. Morakote
W. Maleewong
Affiliation:
Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
S. Pariyanonda
Affiliation:
Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
P. Sitthithaworn
Affiliation:
Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
W. Daenseegaew
Affiliation:
Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
V. Pipitgool
Affiliation:
Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
S. Tesana
Affiliation:
Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
C. Wongkham
Affiliation:
Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
P. Intapan
Affiliation:
Department of Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50002, Thailand
N. Morakote
Affiliation:
Department of Parasitology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50002, Thailand
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Abstract

Gnathostoma spinigerum was found in gastric nodules in 4·1% of 2940 dogs surveyed in northeastern Thailand. The prevalence and worm burden of G. spinigerum exhibited a seasonal fluctuation. The parasites were more abundant in the rainy season and the early winter (August–December) than in the summer (April–March). Most parasites were sexually mature between August and December while immature worms were observed during March and April. The distribution of gnathostomes within the sampled dogs was highly dispersed and few animals were found to harbour more than five worms.

Keywords

Gnathostoma spinigerumNematodaThailandseasonal variationprevalenceintensity
Type
Research Note
Information
Journal of Helminthology , Volume 66 , Issue 1 , March 1992 , pp. 72 - 74
Copyright
Copyright © Cambridge University Press 1992

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References

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