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Economic and agricultural policies in West Africa have evolved progressively over the last 20 years. Since the early 1980s, most countries in the region have implemented macroeconomic stabilisation and structural reforms to reverse balance of payments deficits, improve economic growth and reduce ...


Williams, Timothy O.Ehui, Simeon K.Kormawa, P.M.[Implications of changing domestic policies and globalisation for crop-livestock systems Development in West africa]Implications of changing domestic policies and globalisation for crop-livestock systems Development in West africa
Hiernaux, Pierre H.Y.Williams, Timothy O.Fernández Rivera, S.Schlecht, E.[Les roles de l'elevage dans l'intensification des modes de production agricole au Sahel: Options socio-economiques et techniques]Les roles de l'elevage dans l'intensification des modes de production agricole au Sahel: Options socio-economiques et techniques

This presentation concerns the key property rights issues arising in the West African Semi-Arid Tropics (WASAT). The WASAT contains three main agro-climatic zones: Sahel (300–600 mm of annual rainfall falling in 2.5–4 months); Sudanian (600–900 mm, 4 to 6 month rainy season); an...


Williams, Timothy O.[Traditional strategies and adaptive resource use by crop-livestock producers in the Sahel]Traditional strategies and adaptive resource use by crop-livestock producers in the Sahel

Reviews, analyses and presents evidence concerning the effects of livestock pricing policies on production incentives in a sample of sub-Saharan countries including Cote d'Ivoire, Ethiopia, Mali, Nigeria, Sudan and Zimbabwe - selected on the basis of their livestock population, production, trade ...


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 attainment of food and water security rank high on the agendas of governments in the Middle East and North Africa (MENA) region and sub-Saharan Africa (SSA). Although the objectives are similar, the underlying drivers, resource endowments and opportunities for achieving them are different. Di...


Williams, Timothy O.[Reconciling food and water security objectives of MENA [Middle East and North Africa] and sub-Saharan Africa: is there a role for large-scale agricultural investments?]Reconciling food and water security objectives of MENA [Middle East and North Africa] and sub-Saharan Africa: is there a role for large-scale agricultural investments?

This document first describes the main agroecological zone found in sub-Saharan Africa and the environmental constraints to agricultural production inherent in these zones. This is followed by a description of the main agricultural production systems and land use practices. Factors that have cont...


Ehui, Simeon K.Williams, Timothy O.Swallow, B.M.[Economic factors and policies encouraging environmentally detrimental land use practices in sub-Saharan Africa]Economic factors and policies encouraging environmentally detrimental land use practices in sub-Saharan Africa

A study was undertaken to determine the effectiveness of a progesterone-releasing intravaginal device (PRID) and prostaglandin F2 alpha (PGF2a) in synchronizing oestrus in N'dama and Bunaji cows and heifers and the fertility following artificial insemination at the synchronized oestrus. A total o...


Voh, A.A.Larbi, AsamoahOlorunju, S.A.S.Agyemang, K.Abiola, B.D.Williams, Timothy O.[Fertility of N'dama and Bunaji cattle to artificial insemination following oestrus synchronization with PRID and PGF2a in the hot humid zone of Nigeria]Fertility of N'dama and Bunaji cattle to artificial insemination following oestrus synchronization with PRID and PGF2a in the hot humid zone of Nigeria

A survey was conducted from February to June of 1997 among livestock herders in two villages of Niger, Kodey and Toukounous, on their perceptions, practice, and problems of night grazing. Cattle and sheep were the species that were taken out for night grazing by the herders. Small herd size an...


Ayantunde, Augustine A.Williams, Timothy O.Udo, H.M.J.Fernández Rivera, S.Hiernaux, Pierre H.Y.Keulen, H. van[Herders' perceptions, practice, and problems of night grazing in the Sahel: Case studies from Niger]Herders' perceptions, practice, and problems of night grazing in the Sahel: Case studies from Niger

Crop-livestock integration (CLI) to improve natural resource management for increased productivity is evolving in Nigeria and West Africa. Processes in the evolution and factors that influence it still need to be well understood. This article proposes and tests a new framework for measuring the m...


Manyong, Victor M.Okike, I.Williams, Timothy O.[Effective dimensionality and factors affecting crop-livestock integration in West African savannas: A combination of principal component analysis and Tobit approaches]Effective dimensionality and factors affecting crop-livestock integration in West African savannas: A combination of principal component analysis and Tobit approaches

Identifies constraints to and opportunities for improved meat and milk production in Africa; w., particularly emphasis on the increase of the quantity and quality of feed, improved nutrition, genetic improvement, animal health delivery system and disease control; and finally on risk adoption whic...


Brokken, R.F.Williams, Timothy O.[Economic considerations for smallholder cattle milk and meat production and marketing. II. Production related aspects]Economic considerations for smallholder cattle milk and meat production and marketing. II. Production related aspects

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