Evidence of vertical transmission of lumpy skin disease virus in Rhipicephalus decoloratus ticks

Tuppurainen, Eeva S.M., Lubinga, Jimmy C., Stoltsz, Wilhelm H., Troskie, Milana, Carpenter, Simon T., Coetzer, Jacobus A.W., Venter, Estelle H., and Oura, Chris A.L. (2013) Evidence of vertical transmission of lumpy skin disease virus in Rhipicephalus decoloratus ticks. Ticks and Tick-borne Diseases, 4 (4). pp. 329-333.

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Abstract

Lumpy skin disease (LSD) is an economically important acute or sub-acute disease of cattle that occurs across Africa and in the Middle East. The aim of this study was to assess whether Rhipicephalus decoloratus ticks were able to transmit lumpy skin disease virus (LSDV) transovarially. Uninfected, laboratory-bred R. decoloratus larvae were placed to feed on experimentally infected "donor" cattle. After completion of the life cycle on donor animals, fully engorged adult female ticks were harvested and allowed to lay eggs. Larvae that hatched from these eggs were then transferred to feed on uninfected "recipient" cattle. The latter became viraemic and showed mild clinical disease with characteristic skin lesions and markedly enlarged precrural and subscapular lymph nodes. This is the first report of transovarial transmission of poxviruses by R. decoloratus ticks, and the importance of this mode of transmission in the spread of LSDV in endemic settings requires further nvestigation.

Item ID: 49063
Item Type: Article (Research - C1)
ISSN: 1877-9603
Funders: Combating Infectious Diseases of Livestock for International Development (CIDLID), Biotechnology and Biological Sciences Research Council (BBSRC), UK Government, Department for International Development (DFID), Scottish Government
Projects and Grants: CIDLID Project No. BB/H009361/1
Date Deposited: 04 Jul 2017 02:25
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070712 Veterinary Virology @ 50%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070708 Veterinary Parasitology @ 50%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences @ 100%
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