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Book (series)The continental atlas of the distribution of tsetse flies in Africa 2024
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No results found.Tsetse flies (Genus: Glossina) occur in sub-Saharan Africa, where they transmit trypanosomosis, a group of parasitic diseases that affect both animals and humans. Tsetse and trypanosomosis are a constant drain on the resources of poor African livestock keepers and they also impose a public health burden. Comprehensive data on the geographic distribution of tsetse flies is crucial to design evidence-based and cost-effective strategies against animal trypanosomoses, and it is also important in eliminating the human form of the disease. Despite this, the latest maps of tsetse distribution in Africa were published several decades ago. The present publication provides an update on the geographical distribution of tsetse flies in Africa. A total of 669 scientific publications spanning a period of 31 years (1990–2020) provided the input data, and almost 7 400 distinct geographical locations were mapped. Tsetse flies were recorded from a maximum latitude of 15° North in Senegal, to a minimum of 28.5° South in South Africa. Data coverage is uneven, and no eligible publication was found for Burundi, Guinea-Bissau, Liberia, Sierra Leone or Somalia. A dearth of information also affects a few other countries, such as Angola, the Congo, the Democratic Republic of the Congo and South Sudan. At the level of tsetse species, relatively abundant data were identified for the species of major veterinary and public health importance, especially of the riverine (palpalis) and savannah (morsitans) groups. By contrast, limited information is available on many species of the forest (fusca) group. The continental atlas of tsetse flies, in combination with the upcoming component on animal trypanosomosis, can be used by policy makers, practitioners and scientists engaged in the control and elimination of tsetse flies and trypanosomosis in Africa. It also provides a blueprint for national authorities to develop country-level information systems (i.e. "national atlases") to assist planning and monitoring of control activities at the national and local levels. -
Book (series)Long-term tsetse and trypanosomiasis management options in West Africa 2004
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No results found.Tsetse-transmitted animal trypanosomiasis is a complex disease that directly and indirectly has an impact on Africa’s crop and livestock agricultural development. In this paper, state-of-the-art spatial tools are applied to study the variety of agro- ecological settings in West Africa with a view to providing decision support to the management of the tsetse and trypanosomiasis ( T& problem according to the prevailing agro- ecological conditions. Based on the analytical mapping of dominant lives tock systems, land- use patterns, integration of livestock and crop agriculture ( mixed farming) and geoclimatic factors affecting tsetse ecology ( northern dry band with fragmented tsetse populations and southern humid band where tsetse are widespread), priority areas for T& T intervention were identified. These areas are situated the northern band of the tsetse belt where: • tsetse populations are fragmented ( and therefore vulnerable) or confined only to suitable vegetation along main river courses; • fly reinvasion risk is minimal due to land pressure and adverse climatic conditions for tsetse; and • integration of crop and livestock agriculture prevails. In these areas, the elimination of the fly and the disease may be achievable and consolidated through the expansion and intensification of mixed farming, leading to maximal yield benefits when expressed in terms of sustainable agriculture and rural development. -
Book (series)Economic guidelines for strategic planning of tsetse and trypanosomiasis control in West Africa 2003
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No results found.The presence of tsetse and trypanosomiasis (T&T) in vast areas of sub-Saharan Africa is a major constraint to livestock-agricultural development. However, the impact of the disease varies with and between countries, regions and agro-ecological zones. Therefore, prior to any intervention it is essential to evaluate the profitability of different approaches towards controlling the vector and/or the disease in each individual project or zone. This ensures that a project is assessed on its own merit s and not merely on its possible technical contribution to a potential continent-wide programme.
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