Animal Physiology

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Study on Major Ectoparasjtes of. Small Riminants in Two Districts of Dire DAwa Aominlstrative Counci. Eastern Ethiopa
(Addis Ababa University, 2010-06-01) Abeba Demisse; Yacob Hailu
A cross-sectional study was carried to determine the prevalence of ectoparasites in .small ruminants and identify the potential risk factors associated with the problem in Dire Daw3 administrative council. Eastern Ethiopia. from October 2009 to April 2010. A total of 1152 animals were examined during this study. Out of 325 sheep and 827 goats examined. 93.8% of sheep and 92.3% of goats were found to be infested with one or more species of ectoparasites.. ectoparasitesThe major ectoparasites identi fied were ticks (81 %). sarcoptic mange (7.7 %). Linognatus species(3.4%) and fleas (0.6%) in sheep, and (78.4%) ticks. (6.8%) sarcoptic mange. (3.7%) Linognathus pecies. (3%) demodectic mange and (I %) Ctenocephalides species in goats. Risk factors such as agroecology of study site, body condition. age and sex of animals were considered for analysis. In both sheep and goats the prevalence of tick and mange mite infestation was significantly higher (P