background: oyan reservoir, south-west nigeria was constructed in 1984 to generate electricity but has altered the exist­ing physical, biological and socio-economic environment of the people. this study, carried out between october 2006 and march 2008, aimed at investigating the current status of schistosoma haematobium infection around the reservoir. methods: urine samples from 536 participant...

The perennial annual f looding problems occurring in Lagos and Ogun States during the rainy season due largely to release of excess water from the multi-purpose Oyan Dam reservoir built across Oyan River, a tributary of Ogun River, located in Abeokuta North Local Government of Ogun State, has reached unacceptable level. Annually, the f looding hazard causes severe economic, social, ecological a...

BACKGROUND Oyan reservoir, South-West Nigeria was constructed in 1984 to generate electricity but has altered the existing physical, biological and socio-economic environment of the people. This study, carried out between October 2006 and March 2008, aimed at investigating the current status of Schistosoma haematobium infection around the reservoir. METHODS Urine samples from 536 participants...

We determined the prevalence of urinary schistosomiasis in preschool children below the age of 5 years in three settlements around Oyan Reservoir in Ogun State, Nigeria. Of 209 children screened, 150 (71.8%) had an infection, with no significant difference between males and females; 42.9% of infants were infected. Both prevalence and intensity of infection increased significantly with age (P < ...

Objectives: Studies were carried out to determine the status of urinary schistosomiasis among pre-school and school-aged children in three communities around Oyan dam, South Western Nigeria. Methods: A cross-sectional study was conducted in 2009. Urine samples were collected and investigated for the presence of microhaematuria using the Medi-Test Combi 9 reagent strip. Urine was also microscopi...

Diet and dietary habits of African Butter Catfish Schilbe mystus (Linne, 1766), an economically important fish in Oyan and Asejire lakes (southwest Nigeria) were examined between July 2000 and December 2001. Stomach contents were analysed using the numerical, frequency of occurrence and points methods. The fish is predatory but the diet differs among lakes and seasons. Insects were more importa...