Publication: Mechanical carrier of bacterial enteric pathogens by Chrysomya megacephala (diptera: calliphoridae) in Chiang Mai, Thailand
Issued Date
2000-12-01
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ISSN
01251562
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2-s2.0-0043190649
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Mahidol University
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SCOPUS
Bibliographic Citation
Southeast Asian Journal of Tropical Medicine and Public Health. Vol.31, No.1 SUPPL. (2000), 157-161
Suggested Citation
Kabkaew Sukontason, Manasanant Bunchoo, Banyong Khantawa, Somsak Piangjai, Kom Sukontason, Rungkarn Methanitikorn, Yupha Rongsriyam Mechanical carrier of bacterial enteric pathogens by Chrysomya megacephala (diptera: calliphoridae) in Chiang Mai, Thailand. Southeast Asian Journal of Tropical Medicine and Public Health. Vol.31, No.1 SUPPL. (2000), 157-161. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/26078
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Title
Mechanical carrier of bacterial enteric pathogens by Chrysomya megacephala (diptera: calliphoridae) in Chiang Mai, Thailand
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Abstract
Chrysomya megacephala was studied regarding its mechanically bacterial carrier in urban areas of Chiang Mai, northern Thailand. Fifty-six adult flies were randomly collected using sweep insect net during April-May. 1999 from 3 fresh food markets and examined for bacteriological isolation. Among them, 49 flics (87.5%) were bacterial carriers. The total 22 bacterial species and 8 groups were isolated. Three species previously reported as the bacterial enteric pathogens causing diarrheal disease were isolated from 5 flies, ie Aeromonas hydrophila, Edwardsiella tarda and Vibrio cholerae non-01, with their prevalence rates in flies being 3.57%. 1.79% and 3.57%, respectively. Five possible bacteria enteric pathogens, ie Aeromonas sobria, Citrobacter freundii, Escherichia coli, Providencia alcalifaciens and Pseudomonas aeruginosa, were isolated from 21 flies with the prevalence rates in flies being 5.34%, 3.57%, 26.79%, 7.14% and 1.79%, respectively. The bacterial load isolated from all 3 pathogenic species was entirely found more than 103colony per fly, indicating the high chance for disease transmission via this fly species. C. megacephala may play the possible and/or important role of bacterial enteric pathogens transmission, thereby promoting the public health personnel for sanitation improvement in fresh food markets and fly control management in these particular areas.