This book is on characterization of dairy production system in Yerer watershed in Ada liben woreda, Oromiya region, Ethiopia. The book has been published on the basis of detail research work done focusing in particulier area with regards to dairy production system. It introduces to dairy production systems in Ethiopia. There is detailed information about household, land and livestock characterization. It covers all important aspects of animal husbandry management including housing, labour and feeding management. It gives also information about feed resources and its avalability. The book has given due weightage to health management, production as well as reproduction performance of indigenous and cross bred dairy animals. It gives insight to milk utilization pattern and marketing. Author has discussed about infrastructure for dairy developement and major technical as well as non-technical constraints. This book will be useful to academician as well as students in the area of dairy production.