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A cross-sectional study was carried out from November 2016 to May 2017 to identify the major ectoparasites species and potential risk factors in Welkait district western part of Tigray region. A total of 102 sheep and 324 goats were physically examined and samples were taken for laboratory analysis. Rhipicephalus evertsi evertsi with a prevalence of 58 (56.86%), Amblyomma gemma 12 (11.76%), Amblyomma variegatum 27 (26.47%), Boophilus decoloratus 7 (6.86%), and Hyalomma anatolicum excavatum 1 (0.98%) in sheep and R. evertsi evertsi 108 (33.02%), A. gemma 8 (2.47%), A. variegatum 158 (48.77%), and R. B. decoloratus 19 (5.86%) in goats were the most important tick species identified. Statistically significant difference (p0.05) in all the risk factors considered. The present result indicated that ectoparasites especially tick species were more prevalent in small ruminants and may affect the wellbeing and productivity of goats and sheep in the study district. Therefore, well-coordinated and urgent control intervention should be conducted.