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長崎市内における犬糸状虫の浸淫状況と伝搬蚊に関する研究 : 4.長崎産シナハマダラカとキンイロヤプカの犬フィラリア幼虫に対する感受性について


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Title: 長崎市内における犬糸状虫の浸淫状況と伝搬蚊に関する研究 : 4.長崎産シナハマダラカとキンイロヤプカの犬フィラリア幼虫に対する感受性について
Other Titles: Studies on the Filarial Prevalence among Dogs and the Mosquito Vectors in Nagasaki City, Western Japan : 4. On the susceptibility of Anopheles sinensis and Aedes vexans nipponii to the larvae of Dirofilaria immitis in Nagasaki City
Authors: 末永, 斂
Authors (alternative): Suenaga, Osamu
Issue Date: 30-Jun-1973
Publisher: 長崎大学熱帯医学研究所 / Institute of Tropical Medicine, Nagasaki University
Citation: 熱帯医学 Tropical medicine 15(2). p84-91, 1973
Abstract: Laboratory experiments were made to determine the susceptibility of the females of two common mosquitoes, Anopheles sinensis and Aedes vexans nipponii, to the larvae of Dirofilaria immitis in Nagasaki City. In infected Anopheles sinensis the rate of microfilariae discharged in their droppings is rather high, but the mortality of the mosquitoes due to the infection is very low and a great part of the larvae entering the Malpighian tubes complete the development, and accordingly, the experimental infection rate with the mature larvae is considerably high. On the other hand, in Aedes vexans nipponii the rate of microfilariae discharged in droppings is low, but about a half of the larvae having entered the Malpighian tubes of the mosquitoes are killed in the early stages of the development, therefore the experimental infection rate with the mature larvae is considerably low. Moreover, when Ae, vex. nipponii had been fed on high-density microfilaria carriers, there was observed, in the first few days after infective feed, a high mortality of the mosquitoes due to the destruction of the malpighian tubes by the development of a great number of microfilariae.
URI: http://hdl.handle.net/10069/4136
ISSN: 03855643
Type: Departmental Bulletin Paper
Appears in Collections:Volume 15, No. 2

Citable URI : http://hdl.handle.net/10069/4136

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