Abstract
Livestock constitutes a fundamental asset for the livelihood of rural communities in Angola. Rhipicephalus microplus (Acarina, Ixodidae) is considered to be the most important external parasite impacting the cattle industry in the world. The present work used a cross-sectional study on tick species infesting cattle in smallholder and commercial farms, to investigate the presence of R. microplus in Angola. This species was found to be recently established in certain areas of Cuanza-Sul and Benguela provinces. Furthermore, taking the current understanding of the pattern of dispersal of R. microplus into account, it is probable that this species is already present in other areas of the country. Animal movement without the necessary control measures facilitates the dispersal of this tick species. Consequently, R. microplus is causing rapid displacement of the native tick species, Rhipicephalus decoloratus. The presence of R. microplus in Angola constitutes a serious problem and poses a potential threat to the livestock sector as well as being an important risk factor for the sustainability of the livelihood strategies developed by smallholders.
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