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Kristjanson, Patricia M.Thornton, Philip K.Kruska, R.L.Reid, Robin S.Henninger, N.Williams, Timothy O.Tarawali, Shirley A.Niezen, J.Hiernaux, Pierre H.Y.[Mapping livestock systems and changes to 2050: Implications for West Africa]Mapping livestock systems and changes to 2050: Implications for West Africa

This paper outlines the role of livestock in integrated nutrient management in semi-arid west Africa. Farmers' strategies in the use of animal manure as well as research efforts to better understand the process of nutrient cycling through livestock in mixed farming systems are described. It con...


Williams, Timothy O.Hiernaux, Pierre H.Y.Fernández Rivera, S.[The role of livestock in integrated nutrient management in semi-arid West Africa]The role of livestock in integrated nutrient management in semi-arid West Africa

In semi-arid sub-Saharan Africa as in many dryland areas, livestock are an integral part of the farming systems. Livestock offer opportunities for risk coping, farm diversification and intensification and provide significant livelihood benefits to the poor. The ability of livestock systems to con...


Williams, Timothy O.Thornton, Philip K.Fernández Rivera, S.[Trends and prospects for livestock systems in the semi-arid tropics of sub-Saharan Africa]Trends and prospects for livestock systems in the semi-arid tropics of sub-Saharan Africa

In this document ILCA proposes a set of six researchable issues pertaining to ILCA's three research areas that need to be investigated (three broad themes). A brief description of the researchable issues is presented. This includes economic and policy measures to improve the management of natural...


Fernández Rivera, S.Hiernaux, Pierre H.Y.Turner, M.Williams, Timothy O.[Ecological and economic linkages between the arid and semi-arid zones: The role of livestock]Ecological and economic linkages between the arid and semi-arid zones: The role of livestock

A classification of the major ruminant livestock production systems in West Africa is proposed. The proposed typology has two major classes of systems-sole livestock and crop-livestock. The sole livestock class has two systems (rangeland-based and landless) and the crop-livestock class has three ...


Fernández Rivera, S.Okike, I.Manyong, Victor M.Williams, Timothy O.Kruska, R.L.Tarawali, Shirley A.[Classification and description of the major farming systems incorporating ruminant livestock in West Africa]Classification and description of the major farming systems incorporating ruminant livestock in West Africa

Animal manure is of vital importance to soil-fertility maintenance in semi-arid West Africa due to its intrinsic value as a soil amendment and because of the low level of inorganic fertiliser use. This paper provides a regional overview of manure utilisation for food crop production. Results of e...


Williams, Timothy O.Powell, J.M.Fernández Rivera, S.[Manure utilisation, drought cycles and herd dynamics in the Sahel: implications for cropland productivity]Manure utilisation, drought cycles and herd dynamics in the Sahel: implications for cropland productivity

Livestock pricing policies in many developing countries are often instituted without a good appreciation of the consequences of such policies for allocative efficiency, output, trade and consumption. This paper evaluates, in a comparative cross-country context, the objectives and instruments of l...


Williams, Timothy O.[Impact of livestock pricing policies on meat and milk output in selected sub-Saharan African countries]Impact of livestock pricing policies on meat and milk output in selected sub-Saharan African countries

The livestock subsector (LSS) has always been an important component of the Nigerian economy. Despite the importance of the sector, growth in livestock output has been slow. In the face of constraints posed by disease and ecological problems, government policies have not been totally successful i...


Williams, Timothy O.[Livestock development in Nigeria: A survey of the policy issues and options]Livestock development in Nigeria: A survey of the policy issues and options

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