Wosene, Abebe (PhD)Jacquief, Ph (PhD)Abebe Beshir, Rahmeto2021-11-042023-11-082021-11-042023-11-082005-06http://etd.aau.edu.et/handle/123456789/28516A cross-sectional Study was undcnaken from September 2004 to march 2005 selected 40 dairy farms located in central Ethiopia to determine the prevalence and species of the major protozoal causes of calf diarrhea. And the factors associated with their occurrence. Fecal samples were collected once from atotal of 580 calves 0-345 days old and examined for the oocysts of cryptosporidium and eimeria spp. By centrifugal fecal flotation technique using concentrated sucrose solution. Accordingly an overall points prevalence of 17.6% and 68.1% was recorded for Cryptosporidium and Eimeria spp..respectivelyen-USC alf diarrhea: Cryplosporidium: Eimeria: prevlence, SpeciesThesis