96 research outputs found

    Housing tenure, residential moves and children’s educational performance in Accra, Ghana

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    Research has shown that non-conventional factors like housing and residential experiences during childhood have impacts on children’s success. Given the critical importance of human capital accumulation in Ghana, it is significant from policy standpoint to recognise factors and mechanisms that are relevant to the next generation’s educational performance. This paper attempts to identify the impacts of housing tenure and residential moves on the educational performance of children. The research focused on Junior Secondary School (JSS) leavers in Accra. Chronological information of the Pupils during childhood on residential moves and their educational performance between the ages of 12- 17 (JSS level) was collected. The results of the analysis indicate large disparities in educational outcomes between children with different housing tenures and strong residential mobility experiences. Even after taking into consideration a set of rich endogenous factors, a positive home ownership effect and a negative residential moves effect remain with significant magnitudes

    Nutritional modelling for enhanced livestock productivity in the rangelands of northern Ghana in response to pasture improvement with an adapted tropical legume species

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    Low digestibility and crude protein concentrations in native pastures compels some nomadic livestock herders in the rangelands of northern Ghana to burn mature and dry forage to encourage regrowth with better nutritive characteristics. This practice, however, typically leads to pasture scarcity in the dry season (Nov-Apr) so that animals lose weight sometimes leading to mortalities. One possible solution to this problem is to introduce an adapted legume with the aim of increasing protein and dry matter intake during the dry season. Currently, there are no data to support this proposition and provide estimates of likely responses of livestock to the introduction of a legume in this grazing system. The main objective of this study was to use the Grazfeed® program to estimate the potential increase in productivity of lambs in response to incorporation of an adapted tropical legume in native Hyperthelia dissoluta (Yellow thatching grass) pastures typical of northern Ghana. Modelling was conducted for unimproved pasture (0% Legume) and improved pasture (30% legume) for both the dry season (November –April) and wet season (May–October). Values for crude protein (CP) and dry matter digestibility (DMD) were as reported by Skerman and Riveros (1990) (Table 1). Values used for green and dead pasture mass of unimproved pasture ranged from 0 to 1.5 and 1.0 to 1.5 T DM/ha, respectively, in the dry season and 1.0 to 3.5 and 0.5 to 1.0 T DM/ha, respectively, in the wet season. Values used for green and dead pasture mass of improved pasture ranged from 0.5 to 3.0 and 1.0 to 2.0 T DM/ha, respectively, in the dry season and 1.0 to 4.0 and 0.5 to 1.0 T DM/ha, respectively, in the wet season. Lambs were classed as 'small Merino' at 20kg liveweight and an average age of 6 months with 1.5 cm fleece as this was the closest match to the Djallonke breed commonly farmed in Ghana. Modelling suggested acceptable weight gains from native pastures could be expected in the wet and early dry seasons, but with weight loss occurring late in the dry season. This is consistent with observations. Modelling suggested that pasture improvement would result in positive weight gains year round with the largest benefit occurring in the dry season. The study concluded that improving native pastures by incorporating an adapted legume at an average 30% of total dry matter would significantly enhance the productivity of livestock in the rangelands of northern Ghana and would avoid the need for the burning of native pastures in the dry season

    Willingness to undergo HIV testing in the Kintampo districts of Ghana

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    Background: HIV testing is currently a major prevention intervention and remains an entry point to early treatment, care and support. Uptake is  however low and alternative approaches are currently being adopted.Objective: An HIV module was incorporated into the routine survey of the Kintampo Health and Demographic Surveillance System (KHDSS) to assess the willingness of adults living in the Kintampo North and South districts to undergo HIV testing.Design: The study was a descriptive cross-sectional household survey.  Univariate and multivariate analysis were used to identify predictors of the willingness to undergo HIV testing.Participants: Respondents were community members aged 15 to 49 years and selected from randomly generated household listings from the KHDSS.Results: A total of 11,604 respondents were interviewed, 10,982 (94.6%) of respondents had good general knowledge on HIV/AIDS. Among those with knowledge about HIV/AIDS, 10,819 (98.5%) indicated their willingness to get tested for HIV. Rural residents were more willing to undergo HIV testing than urban dwellers Odds ratio=1.42 (95% Confidence interval:1.03, 1.96; P-value=0.031). Respondents with primary education were more likely to go for testing relative to those without any education OR=2.02 (95% CI: 0.87, 4.70; P-value=0.046).Conclusion: Expressed willingness to test for HIV is high in this population. Exploring community and population-based interventions to HIV testing and counseling could increase uptake of HIV testing services and should be considered. The underlying motivations need to be explored in order to translate willingness into actual testing.Key words: HIV/AIDS, Routine survey, Willingness to test, Logistic regression, Ghan

    1-(2-Methyl­imidazo[1,2-a]pyridin-3-yl)-3,3-bis­(methyl­sulfan­yl)prop-2-enone monohydrate

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    The title compound, C13H14N2OS2·H2O, appears in the form of bimolecular aggregate in which mol­ecular components are linked by O—H⋯N hydrogen bonding. The nine-membered imidazo[1,2-a]pyridine system is almost planar, with a mean deviation of 0.026 (1) Å. An intra­molecular C—H⋯O hydrogen bond forms within the imidazo[1,2-a]pyridine system. The crystal packing is consolidated by O—H⋯O and C—H⋯O hydrogen bonds, forming a supra­molecular structure consisting of perpendicular infinite mol­ecular chains running along the a and c axes

    Coping with climate variability and change in research for development targeting West Africa: Need for paradigm changes

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    Climate change and variability impact on agriculture in the West African Semi-Arid Tropics (WASAT). At present WASAT farmers are most concerned by climate variability which shows the greatest consequences towards the northern drier end of the region. Relative variability, number of existential droughts, species loss and variety turnover are highest there. This paper presents experiences made and approaches developed in the framework of a Research for Development (R4D) project aiming at preparing WASAT farmers to deal with climate constraints. It is argued that agro-phytodiversity management is a reasonable approach to deal with climate variability but that it needs better social organisation to conserve a sufficient number of crops and varieties. Optimised participation and empowerment of farmers in the R4D continuum leads to faster progress with respect to innovation testing, adaptation and sustainable adoption

    Utilization, retention and bio-efficacy studies of PermaNet® in selected villages in Buie and Fentalie districts of Ethiopia

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    <p>Abstract</p> <p>Background</p> <p>Malaria remains a major public health problem in Ethiopia. Pyrethroid-treated mosquito nets are one of the major tools available for the prevention and control of malaria transmission. PermaNet<sup>® </sup>is a long-lasting insecticide-treated net (LLIN) recommended by WHO for malaria control.</p> <p>Objective</p> <p>The objective of the study was to assess utilization and retention of PermaNet<sup>® </sup>nets distributed for malaria control in Buie and Fentalie districts and monitor the bio-efficacy of the nets using the WHO cone bioassay test procedures.</p> <p>Methods</p> <p>A cross sectional study was carried out by interviewing household heads or their representative in Buie and Fentalie districts. The two districts were selected based on a priori knowledge of variations on ethnic background and housing construction. Clusters of houses were chosen within each of the study villages for selection of households. 20 households that had received one or more PermaNet<sup>® </sup>nets were chosen randomly from the clusters in each village. A total of eight used PermaNet<sup>® </sup>nets were collected for the bio-efficacy test. The bio-efficacy of PermaNet<sup>® </sup>nets was monitored according to the standard WHO procedures using a susceptible colony of <it>Anopheles arabiensis </it>to deltamethrin.</p> <p>Results</p> <p>A total of 119 household heads were interviewed during the study. The retention rate of nets that were distributed in 2005 and 2006 season was 72%. A total of 62.2% of the interviewees claimed children under five years of age slept under LLIN, while only 50.7% of the nets were observed to be hanged inside houses when used as a proxy indicator of usage of LLIN. For the bio-efficacy test the mean knock-down was 94% and 100%, while the mean mortality rate observed after 24 hr holding period was 72.2% and 67% for Buie and Fentalie districts respectively.</p> <p>Conclusion</p> <p>The study revealed a moderately high retention of PermaNet<sup>® </sup>in the study villages and effectiveness of the nets when tested according to the standard WHO procedure.</p

    Managing Tsetse Transmitted Trypanosomosis by Insecticide Treated Nets - an Affordable and Sustainable Method for Resource Poor Pig Farmers in Ghana

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    An outbreak of tsetse-transmitted trypanosomiasis resulted in more than 50% losses of domestic pigs in the Eastern Region of Ghana (source: Veterinary Services, Accra; April 2007). In a control trial from May 4th–October 10th 2007, the efficacy of insecticide-treated mosquito fences to control tsetse was assessed. Two villages were selected – one serving as control with 14 pigsties and one experimental village where 24 pigsties were protected with insecticide treated mosquito fences. The 100 cm high, 150denier polyester fences with 100 mg/m2 deltamethrin and a UV protector were attached to surrounding timber poles and planks. Bi-monthly monitoring of tsetse densities with 10 geo-referenced bi-conical traps per village showed a reduction of more than 90% in the protected village within two months. Further reductions exceeding 95% were recorded during subsequent months. The tsetse population in the control village was not affected, only displaying seasonal variations. Fifty pigs from each village were ear-tagged and given a single curative treatment with diminazene aceturate (3.5 mg/kg bw) after their blood samples had been taken. The initial trypanosome prevalence amounted to 76% and 72% of protected and control animals, respectively, and decreased to 16% in protected as opposed to 84% in control pigs three months after intervention. After six months 8% of the protected pigs were infected contrasting with 60% in the control group
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