2.2 Sampling strategy, data collection and network
definition
The highland town of Debre Berhan located in the Bassona
Werna wereda at 2805 m above the sea level (m.a.s.l.) was used as a
base for a set of research activities. The town is located 130 km
North along the main road from the capital city of Addis Ababa.
Ten out of the 29 kebelles of the Bassona Werna wereda were
preselected for the study according to two accessibility factors: the
number of walking days necessary to reach them and the physical
ability of the interviewers to reach the kebelles. The two most
remote kebelles were used to pilot the study protocol and
questionnaires, with the remaining eight being involved in the
main body of research. In each of the eight kebelles, 10 villages on
average were selected and within each village, 10 small-ruminant
owners were selected, using a systematic approach, for individual
interviews. Details of the sampling strategy are described elsewhere
[14]. During the visits, which took place in February-March 2007,
global positioning system location of the village was recorded
2.2 Sampling strategy, data collection and networkdefinitionThe highland town of Debre Berhan located in the BassonaWerna wereda at 2805 m above the sea level (m.a.s.l.) was used as abase for a set of research activities. The town is located 130 kmNorth along the main road from the capital city of Addis Ababa.Ten out of the 29 kebelles of the Bassona Werna wereda werepreselected for the study according to two accessibility factors: thenumber of walking days necessary to reach them and the physicalability of the interviewers to reach the kebelles. The two mostremote kebelles were used to pilot the study protocol andquestionnaires, with the remaining eight being involved in themain body of research. In each of the eight kebelles, 10 villages onaverage were selected and within each village, 10 small-ruminantowners were selected, using a systematic approach, for individualinterviews. Details of the sampling strategy are described elsewhere[14]. During the visits, which took place in February-March 2007,global positioning system location of the village was recorded
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