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The aim of this study was to analyze the breed identity and leadership in a mixed flock of sheep. The flock consisted of 89 Suffolk adult ewes and 250 Columbia ewes and 45 Columbia rams. The animals were kept in the pasture during the day. Each hour the flock was allowed to feed for 20 minutes, and then was moved for 40 minutes to a small paddock near the grazing area. In the afternoon, all sheep...