HUMAN PARASITES MECHANICALLY TRANSMITTED BY COCKROACHES AND HOUSEFLIES IN OWERRI MUNICIPALITY AND ITS ENVIRONS
- Peri-domestic insects,
- human parasites,
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This study examined the human parasites that are mechanically transmitted by cockroaches and houseflies in Owerri Municipality and its environs in Imo State from May, 2019 to April, 2020. Three major areas were considered and they were Owerri Municipality, Owerri West and Owerri North. The sample procedure used in the study was simple random sampling. In each area, three major communities/locations/streets were randomly selected and sampled. Sampling was done two times in a week in the wet season and dry season. The sampled sources of cockroach spp collected were toilets and kitchens while sampled sources of housefly spp collected include refuse dumps, kitchens, toilets and household baits. The cockroach species were collected using Vessel Container method while housefly species were collected using sweep net. The cockroach species collected were as following: Periplaneta americana, Supella longipalpa, and Blatella germanica while housefly spp collected include: Musca domestica, Musca sorbens, Calliphora vomitoria, Chrysomya rufifacies and Chrysomya megacephala. The parasite ova of cockroaches and housefly species isolated were picked up through sedimentation process and identified. Statistical Package for the Social Sciences (SPSS) version 20.0 was used to run the analysis. Data obtained in this study were subjected to simple percentage, frequency table and Chi-square test at α = 0.05. The result found that the identified parasites were Hookworm egg, Taenia egg, Trichuris trichiura egg, and Ascaris egg of the total cockroaches examined. The identified parasites were hookworm eggs, Hymenolepsis nana eggs, Taenia species eggs, Trichuris trichiura, and Ascaris eggs of the total houseflies examined. Houseflies had a higher prevalence of parasites than cockroaches in the study area. Ascaris egg had the highest percentage prevalence of cockroaches than housefly parasites.