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Title: 日本復帰後の沖縄本島における犬糸状虫症の浸淫状況について
Other Titles: A Survey of Canine Filariasis on Okinawa upon Return of the Island to Japan in 1972
Authors: 末永, 斂 / 国吉, 真英 / 岸本, 高男 / 宇良, 宗輝 / 大城, 信雄
Authors (alternative): Suenaga, Osamu / Kuniyoshi, Shin-Ei / Kishimoto, Takao / Ura, Muneteru / Ohshiro, Nobuo
Issue Date: 25-Dec-1976
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 18(4). p183-194, 1976
Abstract: A field examination on the microfilarial prevalence of Dirofilaria immitis and Dipetalonema reconditum among house dogs and stray dogs was carried out in Okinawa in September, 1972 and again from November, 1973 to February, 1974. In addition, part of the stray dogs were autopsied to recover the adult worms of D. immitis. In Naha City, out of 132 house dogs examined 1 dog (0.8%) was infected with D. immitis and 4 dogs (3.0%) were infected wite D. reconditum. In Okinawa City (former Koza City), out of 40 house dogs 1 dog (2.5%) was infected with D. immitis and 1 dog (2.5%) was infected with D. reconditum. In the stray dogs, which were caught in Central and Southern parts of Okinawa Island and kept at the Okinawa Prefectural Dog Impoundment Facility, out of 512 dogs examined 1 dog (0.2%) was infected with D. immitis and 62 dogs (12.1%) were infected with D. reconditum. Although 4 dogs out of 219 stray dogs autopsied had carried the adult worms of D. immitis in their heart, the number of adult worms found in the positive dogs was very few. From the result mentioned above, it is clear that in Okinawa, which was returned to Japan from USA just befor the present survey, the dogs infected with D. immitis are very few in number, but the dogs infected with D. reconditum are found in considerable number. D. reconditum may have been brought with the dogs imported from USA, because this filaria is widely distributed in USA. and the statistical data from the Okinawa Branch of Animal Quarantine Service, Ministry of Agriculture and Forestry, Japan, shows that a large number of dogs were imported to Okinawa from USA every year from 1967 to 1971. The same data also shows that a considerable number of dogs were imported to Okinawa from Japan. There is a possibility that the dogs infected with D, immitis may have been brought to Okinawa from Japan and transmitted to the native dogs by the vector mosquitoes there.
URI: http://hdl.handle.net/10069/4213
ISSN: 03855643
Type: Departmental Bulletin Paper
Appears in Collections:Volume 18, No. 4

Citable URI : http://hdl.handle.net/10069/4213

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