The impact of human endeavours on the environment in the struggle to eke out a living through crop and animal agriculture is examined in a holistic context. Analyses focus on all the sources of pressure that modify the vegetation cover of rural Africa, including the effects of fires and burning o...
Leeuw, P.N. de
,
Reid, Robin S.
,
[Impact of human activities and livestock on the African environment: An attempt to partition the pressure]
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Impact of human activities and livestock on the African environment: An attempt to partition the pressure
We begin by stressing that relevant and adequate information is an essential ingredient of efficient decision-making processes aimed at optimising the performance of livestock enterprises. Such decisions are universally made, so that though different approaches may be required, animal health and ...
Leeuw, P.N. de
,
McDermott, John J.
,
Lebbie, S.H.B.
,
[Monitoring of livestock health and production in sub-Saharan Africa]
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Monitoring of livestock health and production in sub-Saharan Africa
Presents procedures for feed budgeting and allocation developed to access the quantity and quality of all feed components and to determine the production goals of each enterprise and allocates feed in relation to their requirements within the framework of overall feed supplies. Examines land, cro...
A document prepared on the basis of past work conducted and discussions held by scientists of two institutions, ILCA & KARI (Kenya Agricultural Research Institute). It aims to provide background information that explains the nature of this project in order to facilitate preparation of specific re...
Solomon Bekure
,
Leeuw, P.N. de
,
[Proposal for collaborative research project between the Kenya Agricultural Research Institute and the International Livestock Centre for Africa]
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Proposal for collaborative research project between the Kenya Agricultural Research Institute and the International Livestock Centre for Africa
Tessema, S.
,
Emojong, E.E.
,
Maluti, M.
,
Leeuw, P.N. de
,
[A strategy of livestock research adapted to semi-arid small-scale mixed farming system - The Katumani experience]
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A strategy of livestock research adapted to semi-arid small-scale mixed farming system - The Katumani experience
Leeuw, P.N. de
,
[The primary and secondary productivity of the savannas in the middle belt of Nigeria]
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The primary and secondary productivity of the savannas in the middle belt of Nigeria
Up to the 1950s constraints of feed shortages for livestock were outweighed by those of disease, concern over looming imbalances between supply and demand of grazing resources led to large investments in projects of water Development, many of which were financed by foreign aid. This provision of ...
Leeuw, P.N. de
,
Tothill, J.C.
,
[The concept of rangeland carrying capacity in sub-Saharan Africa - myth or reality]
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The concept of rangeland carrying capacity in sub-Saharan Africa - myth or reality
In this chapter, it is argued that the application of scientific knowledge is an essential prerequisite for sustainable resource management. Scientific inputs have the following components when applied to a specific region: (1) a through analysis of the resource base, with emphasis on feed and wa...
Leeuw, P.N. de
,
Diarra, L.
,
Hiernaux, Pierre H.Y.
,
[An analysis of feed demand and supply for pastoral livestock: the Gourma region of Mali]
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An analysis of feed demand and supply for pastoral livestock: the Gourma region of Mali
Published and new data from experiments conducted in several range sites in Niger and Mali were analysed to assess wet season, dry season and year-round animal weight changes, stocking rates, forage availability, feed intake and faecal excretions of cattle, sheep and goats. Herbage availability o...
Hiernaux, Pierre H.Y.
,
Ayantunde, Augustine A.
,
Leeuw, P.N. de
,
Fernández Rivera, S.
,
Sangare, M.
,
Schlecht, E.
,
[Foraging efficiency, stocking rates, grazing pressure and livestock weight changes in the Sahel]
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Foraging efficiency, stocking rates, grazing pressure and livestock weight changes in the Sahel