Studies were conducted among pastoralists on the Borana Plateau in 1986-89. Household surveys described seasonal milk production and allocation, marketed supply of dairy products, incidence of calf morbidity and mortality and human consumption of dairy products and grain. The efficiency of butter-making was measured. Dairying among the Borana is controlled by the women.

This volume contains papers and abstracts of the First Biennial Conference of the African Small Ruminant Network. Ten papers deal with the Small Ruminant Production System and Policy; Eight papers on Small Ruminant Performance and Reproductive Physiology; eleven papers on Small Ruminant Reproductive Wastage and Health.

These are the Proceedings of the last joint workshop of the Pasture Network for Eastern and Southern Africa (PANESA) and the African Research Network for Agricultural Byproducts (ARNAB), held in Gaborone, Botswana, 4-8 March 1991. This volume contains the three addresses delivered at the opening session together with 38 full texts and 12 abstracts of papers presented at the workshop.

This volume presents major results obtained since the publication of volume 1 and 2 and updates national data on trypanotolerant cattle. The first part analyses populations and their trends between the two surveys and reviews research activities and development activities. It also gives recent information available on the potential and utilisation of trypanotolerant livestock.

The problem of vegetation degradation in Kenya's semi-arid areas must be addressed, if these areas are to support the increasing human and livestock population. However, efforts to rcvcgctatc denuded rangelands will be beneficial only if the right species and cultural practices arc employed.

This thesis gives an overview of the Maasai livestock economy as it has developed between 1890 and 1990. Particularly, it analyses the processes and policies of land use and landownership of the Maasai pastoral areas in Kajiado district, Kenya, from the arrival of the Europeans until the recent massive individualization of land tenure.

Los tcnicos forestales y los administradores de recursos naturales entendieron muy poco y mal los mltiples usos que los campesinos hicieron de las formaciones forestales en el curso de los milenios, ampliamente documentados en un artculo sobre las tcnicas de ordenacin de tierras arboladas aparecido en el nmero 160 de Unasylva.

Such is the vagary of rainfall throughout Africa's rangelands that almost all pastoral communities face cycles of good and hardship years.