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Reviews the present state of knowledge about the biological fixation of N by forage legumes in sub-Saharan Africa; indicates the main factors limiting the contribution of biological Nitrogen to soils by forage legumes; highlights the potentials of legume - food crop - livestock interactions in va...


Haque, I.Jutzi, S.C.[Potentials and limitations to the biological nitrogen contribution from forage legumes in sub-Saharan Africa]Potentials and limitations to the biological nitrogen contribution from forage legumes in sub-Saharan Africa

A study conducted at Beke station, Borana (Ethiopia), to assess the potential producitivity of indigenous sheep and goats under traditional Gabbra management conditions. Summarises monthly parturition and distribution of birth, birth weight, live weight, daily weight gain from birth to weaning, f...


Dessalegne, B.[Small stock production in the southern rangelands of Ethiopia]Small stock production in the southern rangelands of Ethiopia
Autor: Devendra, C.

This paper addresses the present status of research and Development in animal production; challenges for research in animal production systems including integrated natural resource management and use and the Development of sustainable agriculture; and institutional limitations and capacity to mee...


Devendra, C.[Present status of research and Development and institutional considerations for animal production system in the Asia-Pacific region]Present status of research and Development and institutional considerations for animal production system in the Asia-Pacific region
Lebbie, S.H.B.[Production systems and environmental impact in dry areas: The African perspective]Production systems and environmental impact in dry areas: The African perspective

In Ethiopia, the agricultural sector is a cornerstone of the economic and social life. The sector employs 80-85 per cent of the population and contributes 40 per cent to total GDP. Smallholder farmers dominate the agricultural sector. The highlands hold about 95 per cent of the cropped area and s...


Sileshi, Z.Tsegahun, A.Yami, A.Tegegne, Azage[Status of livestock research and Development in the highlands of Ethiopia]Status of livestock research and Development in the highlands of Ethiopia
Autor: Devendra, C.

The paper emphasises the potential opportunities and challenges to improve productivity in goats and improve the livelihoods of the poor. An assessment of research activities confirms the continuing trend about emphasis on basic research and along disciplinary lines. The importance of shifting re...


Devendra, C.[Research on goats: Opportunities and challenges]Research on goats: Opportunities and challenges
Autor: Wilson, R.T.

Outlines the importance of small ruminants in Africa, describing the production systems in the different ecological zones in relation to traditional and modern methods of production. Provides information on general management practices and on ownership patterns and flock structures in relation to...


Wilson, R.T.[Small ruminant production systems in Africa]Small ruminant production systems in Africa
Autor: Devendra, C.

Strategies for improved feed utilisation and ruminant production systems are discussed in the context of the demand-led processes for foods of animal origin, in which the contribution of ruminants is lagging. Increased productivity in the future will need to come from improved per animal performa...


Devendra, C.[Strategies for improved feed utilisation and ruminant production systems in the Asian region]Strategies for improved feed utilisation and ruminant production systems in the Asian region

The Animal Production Systems Research (APSR) was introduced to sub-Saharan African National Agricultural Research Systems (NARs) in mid-1980's by the International Agricultural Research Centres (IARCs) and donors. APRS was accepted by NARs after realizing that the traditional on-station research...


Kategile, J.A.Smith, O.[Systems research experiences in Africa]Systems research experiences in Africa

The Andean region in South America is a wide mountainous area covering approximately 1.4 million sq. km. Most of the estimated population of more than 113 million depend on agriuclture for their livelihood. The majority of the farming systems in the high Andes are mixed crop-livestock systems. Li...


León Velarde, C.U.Quiróz, R.Zorogastua, P.Tapia, M.[Sustainability concerns of livestock-based livelihoods in the Andes]Sustainability concerns of livestock-based livelihoods in the Andes

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