Prevalence Of Bovine Trypanosomosis In Shebe-Sombo District Of Oromia Regional State South West Of Ethiopia.

The study on prevalence of bovine trypanosomosis was conducted in Jimma Zone Shabe Sombo district from November 2007 to April 2008. In this study area 5 villages were involved. The diagnostic technique used included examination of packed cell volume PCV heamatocrit centrifugation technique buffy coat. From the examined 780 cattle 111 were found infected with different species of trypanosomes with the overall prevalence 14.23. The predominant species involved in the infections were Trypanosoma congolense 79.3 followed by Trypanosoma vivax 9.9 Trypanosoma brucei 1.8 Trypanosoma theileri 0.9. Mixed infections were also detected which accounted 8.1 out of the total infection rate of 14.23. Parasitaemic and aparasitaemic animals showed significant difference in PCV valuesp0.001 that is 32 and 11 are maximum and minimum values of parasiteamic animals whereas 46 to 12 are maximum and minimum values of aparasitaemic animals respectively. First and above all I would like to thank my savior Jesus Christ who saves me from all things in the duration of my study and enabled me to complete this study successfully. I would like to thank Dr Waktole Terfa Ato Mengistu Nemera Ato Tesfaye Mulatu and Ato Mulugeta Desta for their valuable advice encouragement and provision of material during my work. I am grateful to staff of Bedelle Regional laboratory and NTTICC specially help rendered by WO Fatuma Hassen Ato Tesfaye Ato Tadale Ato Abebe Ato Getachew WO Zelalem Ato Asfawu Ato Bultuma is highly appreciated for the collection of the data used in this investigation. Without their skill and cooperation the work would certainly not have been done. I would like to express my gratitude to Dr Kefelegn Kebede for his assistance in data analysis. Finally I wish to express my thanks to my Mother Maftuku Iddosa and my brothers Teacher Misganu Bula Gizachew Bula Tashoma Bula Lencho Bula Tarafa Bula and my sister Gaddise Bula for their financial support as well as constructive advice during the five years of study period.