The data analyzed and discussed in this report result from a unique opportunity to evaluate the Sahiwal cattle breed and its crosses with Bos taurus and indigenous Bos indicus breeds across a wide range of management levels and production systems in tropical Africa.
Gratitude is due to the owners and managers of the five herds whose data were analyzed, both for the high quality of the data recording they have carried out and for the enthusiastic assistance they provided. Special thanks are also due to M de Souza for the meticulous extraction and preparation of these data for necessary analyses, to S B Westley for editorial assistance in preparing the report and to G Maloba for final typing. N Nissen took an active part in the initial planning of the project and B Cole-Baker was involved in the early stages of data preparation. ILCA colleagues in Addis Ababa and Nairobi provided stimulating discussions and other inputs relating to this study and ILCA administrative personnel provided substantial support throughout the course of the work.
