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Journal Of Tropical Biosciences

Year: 2016|   Volume No: 11|   ISSN: 0795-3089|   Page No: 17


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Title:  THE INFLUENCE OF COCKROACHES; PERIPLANETA AMERICANA AND BLATTA ORIENTALIS IN TRANSMITTING INTESTINAL PARASITES IN ZURU METROPOLIS KEBBI STATE- NIGERIA

*1SHEHU, M. M., SANI Z. R2., AGUH I. B2. AND JABBI A. M. 3

1DEPARTMENT OF BIOLOGICAL SCIENCES, USMANU DANFODIYO UNIVERSITY SOKOTO- NIGERIA

2 DEPARTMENT OF BIOLOGICAL SCIENCES, FEDERAL UNIVERSITY GUSAU

 

3 DEPARTMENT OF BIOLOGICAL SCIENCES, NIGERIA POLICE ACADEMY, WUDIL –KANO

ABSTRACT

The Investigations were carried out on influence of cockroaches; Periplaneta americana and Blatta orientalis in transmitting intestinal parasites in Zuru metropolis of Kebbi state- Nigeria. A total of 105 cockroaches were collected from five locations in the night by using hand picking. After identification, each cockroach was put into a universal bottle, containing 2.5 ml of normal saline, and shaken vigorously for 5 minutes to detach the parasite from the external body. Our investigation revealed that out of the total (105) cockroaches examined from the locations, 60 (57.14%) were infected with protozoan and helmenth parasites. Two (2) species of cockroaches were identified during the study i.e, Periplaneta americana and Blatta orientalis with 63.7% and 42.9% respectively. Seven (7) parasites both of protozoan and helminthes were recovered and counted. Hammersmiditiella diengi recorded highest prevalence of 26.7%, Thelastoma bulhoesi and Nyctotherus ovalis with 8.57%, Ascaris lumbricoides with 7.60%, Trichuris trichura with 4.76%, schistosoma mansoni with 2.85% and the least prevalence recorded was Schistosoma japanicum with 1.90%. Thirty (30) cockroaches were caught from toilet in which 63.3% were found to be infested with the parasites, Cockroaches that were caught from kitchen 54.5% were found to harbor the parasites, of the 20 cockroaches caught in the living room, 45% carried the parasites. Similarly, 15 cockroaches that were caught from the hospitals 73.3% carried the parasites, and 18 cockroaches were caught in schools where 72.2% were infected with the parasites. The study also revealed that female cockroaches harbored more parasites than the male counterpart, with 62.9% and58.1%, respectively. Two developmental stages of the cockroaches were encountered and recorded, the adult stage was more prevalent than the nymph, were the adult prevalence was 62.9% while the nymph prevalence was 37.5%. Lastly our finding encountered two categories of intestinal parasites; the worms and protozoan, with worms recording the high rate of occurrence with 52.38% while 8.57% was recorded with protozoan’s parasites. In conclusions, the present study has shown that two (2) cockroaches (P. americana and B. orientalis) are potentials mechanical vectors of protozoan and helminths infection and therefore have potentials in disseminating the diseases, the study recommends Health education among communities, to enable peoples to be aware of the implication of cockroaches as public health risk and therefore control measures should be instituted

SUMMARY:

The present study has shown that cockroaches are potentials mechanical vectors of protozoan and helmnthes and therefore it great role in disseminating disease should not be undermined, it can also be concluded that over 57% of the cockroach population was contaminated. The cysts of Nyctotherus ovalis, ova of A. lumbricoides, T. trichiura, and eggs of S. mansoni, S. haematobium were observed in the body parts of the cockroaches. The presence of A. lumbricoides, T. trichiura on cockroaches is evidence that cockroaches play a meaningful role in the epidemiology of soil transmitted helminthes, which could carry and spread pathogens to other places, since they are able to travel up to 3 miles an hour from and to unsanitary sites (Rivault et al., 1993). Cockroaches constitute important reservoir for infectious pathogens and also transmit parasites; therefore, the control of cockroaches could minimize the spread of infectious diseases.

Correspondence:

Author: E-mail Address: Muhammadmansur56@yahoo.com ; +234 8053120780


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