Clausen, P.-H. (PhD)Abebe, Getachew (PhD)Afewerk., Yohannes (PhD)Tewelde Tikue, Nega2021-11-052023-11-082021-11-052023-11-082001-12http://etd.aau.edu.et/handle/123456789/28539The main objectives of the study were: (1) to dete rmine the prevalence of bovine trypanosome Infection in selected areas of the fltca project and (2) to assess the trypanocidal activit: of Diminazene aceturate and isometamidium chloride and the impact of isometamidium Prophylaxis relative to no prophylaxis using cattle under natural challenge in the field The study was conducted in seven areas (kone settlement, lako, shobe. Village i settlement, Ego kofele settlement sorelement and darimu). Which are located along three river Valleys in western ethiopia (upper didessa. Birbi r and sore-geba), the study was carried out From february to end of june 2001 and comprised of questionnaire survey. Cross sectional Study and isometamidium block treatment study.en-USCattle. Trypanosomosis. Isometarnidium chloride diminazene aceturate. Drug Resistance, survival analysis.Thesis