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KMID : 1023520230460020115
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Korean Journal of Veterinary Service
2023 Volume.46 No. 2 p.115 ~ p.122
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Isolation and identification of mosquito-borne zoonotic diseases in slaughterhouse in Daejeon
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Kim Young-Ju
Kim Gyu-Rae
Song Sun-Kyong
Jung Young-Shik
Park Seo-Jin
Lee Sang-Joon
Cho Ho-Seong
Oh Yeon-Su
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Abstract
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This study was performed to investigate the distribution of mosquito vectors related to the zoonotic disease in Daejeon. Samples were taken using a blacklight trap once a month from March to November 2021 at the slaughterhouse in Daejeon. A total of 820 mosquitoes were captured and classified into 5 genera and 8 species. Among the collected mosquitoes, 319 (38.9%) and 295 (35.93%) were Aedes vexans nipponii and Culex pipiens pallens, respectively, making them the dominant species. The overall number of mosquitoes collected started to increase from May and reached the largest value of 329 (40.12%) in June. Trapped mosquitoes are created 72 pools by environmental condition and by species. The pools were tested by PCR methods for 7 zoonotic pathogens. Flavivirus-positive products were confirmed by DNA sequencing. Japanese encephalitis viruses were detected in 3 pools collected from cow lairage (Culex pipiens pallens) in May, cow by-product processing room (Aedes vexans nipponii) in June and cow lairage (Mansonia uniformis) in June. Culex flavivirus were detected in 4 pools. Based on the results of this study, it is considered that continous surveillence of mosquitoes in livestock assembly facilities (slaughterhouse) should be performed for controlling mosquito populations and mediating disease spread by mosquitoes.
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KEYWORD
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Mosquito, Mosquito-borne zoonosis, Japanese encephalitis, Flavivirus, Slaughterhouse
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