Original Research

Preliminary survey of ticks (Acari : Ixodidae) on cattle in northern Sudan

D.A. Salih, S.M. Hassan, A.M. El Hussein, F. Jongejan
Onderstepoort Journal of Veterinary Research | Vol 71, No 4 | a252 | DOI: https://doi.org/10.4102/ojvr.v71i4.252 | © 2004 D.A. Salih, S.M. Hassan, A.M. El Hussein, F. Jongejan | This work is licensed under CC Attribution 4.0
Submitted: 08 November 2004 | Published: 08 November 2004

About the author(s)

D.A. Salih,
S.M. Hassan,
A.M. El Hussein,
F. Jongejan,

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In a cross sectional survey conducted during the period June 2001 to July 2002, the geographical distribution of ticks on cattle in the Sudan was determined. Seventeen locations were surveyed from Northern, Central, Eastern, Western, Blue Nile and White Nile Provinces. Total body collections of ticks were made from 20 cattle at each location. Four tick genera and 11 species were identified. The tick species collected included Amblyomma lepidum, Amblyomma variegatum, Boophilus decoloratus, Hyalomma anatolicum anatolicum, Hyalomma dromedarii, Hyalomma impeltatum, Hyalomma marginatum rufipes, Hyalomma truncatum, Rhipicephalus evertsi evertsi, Rhipicephalus sanguineus group and Rhipicephalus simus simus. Major ecological changes have occurred due to extensive animal movement, deforestation, desertification and establishment of large mechanized agricultural schemes. These factors have certainly affected the distribution of ticks and tick-borne diseases in the Sudan. The absence of A. variegatum and A. lepidum in northern Sudan was not surprising, since these tick species are known to survive in humid areas and not in the desert and semi-desert areas of northern Sudan. The absence of B. annulatus in northern and central Sudan is in accordance with the finding that this tick species is restricted to the southern parts of the central Sudan. The presence of H. anatolicum anatolicum in Um Benin in relatively high abundance is an interesting finding. The present finding may indicate that the southern limit of this species has changed and moved southwards to latitude 13o N. It is concluded that major changes in tick distribution have taken place in the Sudan


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