التفاصيل البيبلوغرافية
| العنوان: |
A long-term field study on mosquito vectors of avian malaria parasites in Japan. |
| المؤلفون: |
ODAGAWA, Taichi, INUMARU, Mizue, SATO, Yukita, MURATA, Koichi, HIGA, Yukiko, TSUDA, Yoshio |
| المصدر: |
Journal of Veterinary Medical Science; 2022, Vol. 84 Issue 10, p1391-1398, 8p |
| مصطلحات موضوعية: |
AVIAN malaria, PLASMODIUM, MOSQUITO vectors, MALARIA, DRY ice, CULEX, FIELD research |
| مصطلحات جغرافية: |
JAPAN, KANAGAWA-ken (Japan) |
| مستخلص: |
Avian malaria is a mosquito-borne disease of birds caused by avian Plasmodium spp. in worldwide scale. Some naïve birds show serious symptoms which can result in death. Surveillance of vectors and parasites are important to understand and control this disease. Although avian malaria has been found in Japan, detailed prevalence and dynamics remained understudied. We aimed to observe annual changes in the abundance of mosquitoes and the prevalence of avian Plasmodium parasites in Japan. Mosquitoes were collected using dry ice traps over a 10-year period, at a fixed research area located in Kanagawa prefecture. Collected mosquitoes were investigated for the species composition, population size and prevalence of avian Plasmodium by PCR. Mosquitoes belonging to 13 species in 7 genera were collected (n=8,965). The dominant species were Aedes (Ae.) albopictus and Culex (Cx.) pipiens group (gr.). Seven avian Plasmodium lineages, all of which were previously known, were detected from Cx. pipiens gr., Ae. albopictus, and Tripteroides bambusa. Three genetic lineages were dominant and were probably transmitted by Cx. pipiens gr. whose could be the primary vector of these parasites. Annual variations in the seasonal prevalence of mosquitoes and avian Plasmodium were revealed for the first time during recent 10 years in Japan. Namely, avian Plasmodium occurrence in the vector population peaked often in June to July and September to October when the density of the vector population was presumably high enough for the transmission of avian Plasmodium upon appearance of infected birds. [ABSTRACT FROM AUTHOR] |
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