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STUDIES ON ANNUAL CHANGES IN MICROFILARIAL PREVALENCE OF DIROFILARIA IMMITIS AMONG HOUSE DOGS FOR 27 YEARS IN NAGASAKI CITY, JAPAN


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Title: STUDIES ON ANNUAL CHANGES IN MICROFILARIAL PREVALENCE OF DIROFILARIA IMMITIS AMONG HOUSE DOGS FOR 27 YEARS IN NAGASAKI CITY, JAPAN
Other Titles: 長崎市における飼い犬の犬糸状虫の仔虫保有率の27年間の年次的変化に関する研究
Authors: Oda, Tsutomu / Sugenaga, Osamu / Zaitsu, Makoto / Mori, Akio / Kurokawa, Kenji / Fujita, Koichiro / Ogawa, Yasunori / Yamazaki, Ichiro / Iida, Kunihiro / Doi, Kouichi / Mine, Mariko / Kato, Katsutomo
Authors (alternative): 小田, 力 / 末永, 瞼 / 在津, 誠 / 森, 章夫 / 黒川, 憲次 / 藤田, 紘一郎 / 小川, 保徳 / 山崎, 一郎 / 飯田, 國洋 / 土井, 浩一 / 三根, 真理子 / 加藤, 克知
Issue Date: 25-Jun-1995
Publisher: 日本熱帯医学会 / Japanese Society of Tropical Medicine
Citation: 日本熱帯医学会雑誌, vol.23(2), pp.133-137; 1995
Abstract: The positive rate of dogs with Dirofilaria immitis microfilariae among house dogs was examined for 27 years from 1968 to 1994 in the southern and northern parts of Nagasaki City. Roles of the number of the main vector, Culex plpiens pallens and of RPSS (rate of population utilizing a sewage system) were analyzed statistically in relation to the annual changes in microfilarial prevalence. In the southern and northern parts, there was a clear correlation among three parameters of the positive rate in the dogs, the number of Cx. p. pallens and RPSS. The present study proved that the decrease in the positive rate of dogs in both the southern and northern parts is mainly attributable to a decrease in the number of Cx. p. pallens. which resulted from the decrease of the breeding places of this mosquito following the spread of the public sewage system and the improvements in the use of roads and open roadside ditches.
URI: http://hdl.handle.net/10069/22420
ISSN: 03042146
Rights: Japanese Society of Tropical Medicine
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/22420

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