The Role of Housefly (Musca Domestica) in Mechanical Transmission of Intestinal Parasites in Maiduguri Metropolis, North Eastern Nigeria.

Balla HJ, Usman Y, Muhammad A


Housefly is the best known and most widely distributed insects accounting for 90% of all flies in human habitation. A study was undertaken to determine the role of housefly (Musca domestica) in the transmission of human intestinal parasites in Maiduguri metropolis. A total of 1151 Houseflies were collected using insect sweep net, from four different breeding sites and were examined for human intestinal parasites using Formol-saline concentration techniques. The highest fly abundance recorded was 453 (39%) while the least recorded was 135 (12%) houseflies. Four intestinal parasites were isolated from fly external body with the following frequency of infection in their external surfaces respectively; Ascaris lumbricoides 22(2%), Hookworm 21(1.8%), Trichuris trichiura 3(0.3%), Hymenolepis nana 1(0.09%) and the transmission rate from four sampling sites was (0.8%) Abattoir, (2.0%) open defecation area, (1.3%) Maiduguri main market and (1.6%). Housefly was found to be a potential mechanical transmitter of parasitic infection and significantly contribute to the spread of food borne parasitic diseases, since this research detected the presence of four gastrointestinal parasites in flies’ exoskeleton and therefore its role in disease transmission cannot be over emphasized.

Keywords: Housefly, Intestinal parasites, Maiduguri, Mechanical transmission, Nigeria

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ISSN (Paper)2224-3186 ISSN (Online)2225-0921

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