Dessalew Habte and Tadesse Tilahun
A cross sectional study was carried out in Gindeberet district in Western Shoa Zone of Oromia regional state from June 2021 to October 2021. Sheep are the most important farm animals in our country, especial dominant livestock, providing skin and wool, and cash income in addition to food subsistence value obtained from livestock production. However, due to the abundances of ectoparasites, there is loss of skin value, income and wool due to poor management problem. The purpose of this study was to identify major ectoparasites of sheep and to determine their prevalence in the study area and to assess the magnitudes of these parasites in relation to sex, age and body condition. Out of 200 sheep examined 133 (66.5%) sheep were infested with the major ectoparasite. The major ectoparasite identified were ticks (31%), followed by lice (15.5%), fleas (12.5%), Melophagus ovinus (7%) and Mange mites (0.5%). The overall infestation with ectoparasites, was higher in females (37.5%) than males (29%). The overall prevalence in association with age categories was higher in adult (34%) than in the young (32.5%). The prevalence of major ectoparasite based on the BCS was found to be higher in poor (33.5%) than the medium (21.5%) and the good (11.5%) body condition from the overall occurrence of ectoparasites. The higher prevalence of ticks, lice, fleas, M. ovinus, and mange mites were observed in female and males. The highest prevalence of tick infestation (n=62) were observed in the area, among ectoparasite, ticks were the most prevalent parasites (n=62) with the prevalence of 31% in the area, while the prevalence of mange mites was 0.5% (N=1). Based on age classification the prevalence of ticks (17.5%), lice (9%), fleas (7.5%), Melophagus ovinus (or sheep ked) (4%), and mange mite (0.5%) were highly prevalent in the adults than young’s (13.5%), (6.5%), (5%) and (3%) respectively. From the result of this study, it is possible to conclude that ectoparasite infestation has affected in the production of sheep at the study area.
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