Epidemilogical survey and strain characterizations of ovine pasteurellosis were carried out inrnselected sites of Amhara and Somali regions in Ethiopia. The aims were to identify. estimate andrncharacterize pasteurella species. In adition, a questionnaire survey was administered in 2 regionalrnstates in April and June 2001 to assess the possible predisposing factors orovine pasteurellosis. Arnsignificant (P