Invasive Cattle Ticks in East Africa: Morphological and Molecular Confirmation of The Presence of Rhipicephalus Microplus in South‑Eastern Uganda

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dc.contributor.authorMuhanguzi, Dennis
dc.contributor.authorByaruhanga, Joseph
dc.contributor.authorAmanyire, Wilson
dc.contributor.authorNdekezi, Christian
dc.contributor.authorOchwo, Sylvester
dc.contributor.authorNkamwesiga, Joseph
dc.contributor.authorMwiine, Frank Norbert
dc.contributor.authorTweyongyere, Robert
dc.contributor.authorFourie, Josephus
dc.contributor.authorMadder, Maxime
dc.contributor.authorSchetters, Theo
dc.contributor.authorHorak, Ivan
dc.contributor.authorJuleff, Nick
dc.contributor.authorJongejan, Frans
dc.date.accessioned2022-06-08T10:14:53Z
dc.date.available2022-06-08T10:14:53Z
dc.date.issued2020
dc.description.abstractRhipicephalus microplus, an invasive tick species of Asian origin and the main vector of Babesia species, is considered one of the most widespread ectoparasites of livestock. The tick has spread from its native habitats on translocated livestock to large parts of the tropical world, where it has replaced some of the local populations of Rhipicephalus decoloratus ticks. Although the tick was reported in Uganda 70 years ago, it has not been found in any subsequent surveys. This study was carried out to update the national tick species distribution on livestock in Uganda as a basis for tick and tick-borne disease control, with particular reference to R. microplus.The study was carried out in Kadungulu, Serere district, south-eastern Uganda, which is dominated by small scale livestock producers. All the ticks collected from 240 cattle from six villages were identified microscopically. Five R. microplus specimens were further processed for phylogenetic analysis and species confirmation.The predominant tick species found on cattle was Rhipicephalus appendiculatus (86.9 %; n = 16,509). Other species found were Amblyomma variegatum (7.2 %; n = 1377), Rhipicephalus evertsi (2.3 %; n = 434) and R. microplus (3.6 %; n = 687). Phylogenetic analysis of the 12S rRNA, 16S rRNA and ITS2 gene sequences of R. microplus confirmed the morphological identification.It is concluded that R. microplus has replaced R. decoloratus in the sampled villages in Kadungulu sub-county, since the latter was not any longer found in this area. There is currently no livestock movement policy in force in Uganda, which could possibly limit the further spread of R. microplus ticks. Future surveys, but also retrospective surveys of museum specimens, will reveal the extent of distribution of R. microplus in Uganda and also for how long this tick has been present on livestock without being noticed.en_US
dc.identifier.citationMuhanguzi, D., Byaruhanga, J., Amanyire, W., Ndekezi, C., Ochwo, S., Nkamwesiga, J., ... & Jongejan, F. (2020). Invasive cattle ticks in East Africa: morphological and molecular confirmation of the presence of Rhipicephalus microplus in south-eastern Uganda. Parasites & Vectors, 13(1), 1-9.https://doi.org/10.1186/s13071-020-04043-zen_US
dc.identifier.issn1756-3305
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/3817
dc.language.isoenen_US
dc.publisherParasites & Vectorsen_US
dc.subjectRhipicephalus microplus, Ticks, Serere district, Uganda, Tick-borne diseasesen_US
dc.titleInvasive Cattle Ticks in East Africa: Morphological and Molecular Confirmation of The Presence of Rhipicephalus Microplus in South‑Eastern Ugandaen_US
dc.typeArticleen_US
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