Investigations on outbreaks of African horse sickness in the surveillance zone in South Africa

OIE Revue Scientifique et Technique

Volumn 25, Issue 3, 2006, Pages 1097-1109

  Venter, G J ^a   Koekemoer, J J O ^a,b   Paweska, J T ^c  

^a ONDERSTEPOORT VETERINARY INSTITUTE   (South Africa)

^b UNIVERSITY OF PRETORIA   (South Africa)

^c NATIONAL INSTITUTE FOR COMMUNICABLE DISEASES   (South Africa)

Author keywords

African horse sickness; Bluetongue; Culicoides imicola; Equine encephalosis; Field infection prevalence; Light trap survey

Indexed keywords

BLUETONGUE VIRUS; CULICOIDES IMICOLA; EQUIDAE; EQUINE ENCEPHALOSIS VIRUS; ORBIVIRUS; OVIS ARIES;

EID: 33847660444     PISSN: 02531933     EISSN: 16080645     Source Type: Journal    
DOI: 10.20506/rst.25.3.1719     Document Type: Article

References (48)

1. Acocks J.P.H. (1975). - Veld types of South Africa with accompanying veld type map. Mem. Bot. Surv. S. Africa., 40, 128.
2. Barnard B.J.H. (1998). - Epidemiology of African horse sickness and the role of the zebra in South Africa. Arch. Virol. Suppl., 14, 13-19.
3. Baylis M., Mellor P.S. & Meiswinkel R. (1999). - Horse sickness and ENSO in South Africa. Nature, 397, 574.
4. Bell R.A. (1999). - Outbreak of African horse sickness in the Cape Province of South Africa. Vet. Rec., 144, 483.
5. Bosman P., Brückner G.K. & Faul A. (1995). - African horse sickness surveillance systems and regionalisation/zoning: the case of South Africa. Rev. sci. tech. Off. int. Epiz., 14 (3), 645-653.
6. Bouayoune H., Touti J., El Hasnaoui H., Baylis M. & Mellor P.S. (1998). - The Culicoides vectors of African horse sickness virus in Morocco: distribution and epidemiological implications. Arch. Virol. Suppl., 14, 113-125.
7. Chiang C.L. & Reeves W.C. (1962). - Statistical estimation of virus infection rates in mosquito vector populations. Am. J. Hyg., 75, 377-391.
8. Coetzer J.A.W. & Guthrie A.J. (2004). - African horse sickness. In Infectious diseases of livestock (J.A.W. Coetzer & R.C. Tustin, eds). Oxford University Press, Cape Town, 1231-1246.
9. Du Plessis D.H., van Wyngaardt W., Gerdes G.H. & Opperman E. (1991). - Laboratory confirmation of African horse sickness in the western Cape: application of a F(ab′)2-based indirect ELISA. Onderstepoort J. vet. Res., 58, 1-3.
10. Dyce A.L. (1969). - The recognition of nulliparous and parous Culicoides (Diptera: Ceratopogonidae) without dissection. J. Aust. Entomol. Soc., 8, 11-15.
11. Guthrie A.J. (1999). - Regionalisation of South Africa for African horse sickness. In Proc. 8th International Conference on equine infectious diseases (U. Wernery, J.F. Wade, J.A. Mumford & O.-R. Kaaden, eds), 23-26 March 1998, Dubai. R&W Publications (Newmarket) Ltd, Newmarket, UK, 376-379.
12. Henning M.W. (1956). - African horse sickness, perdesiekte, pestis equorum. In Animal diseases of South Africa. Central News Agency Ltd, Pretoria, 789-808.
13. Howell P.G. (1962). - The isolation and identification of further antigenic types of African horse sickness virus. Onderstepoort J. vet. Res., 29, 139-149.
14. Katz J.B., Alstad A.D., Gustafson G.A. & Moser K.M. (1993). - Sensitive identification of bluetongue virus serogroup by a colorimetric dual oligonucleotide sorbent assay of amplified viral nucleic acid. J. clin. Microbiol., 31, 3028-3030.
15. Koekemoer J.J.O., Paweska J.T., Pretorius P.J. & van Dijk A.A. (2003). - VP2 gene phylogenetic characterization of field isolates of African horsesickness virus serotype 7 circulating in South Africa during the time of the 1999 African horsesickness outbreak in the Western Cape. Virus Res., 93, 159-167.
16. Koekemoer J.J.O. & van Dijk A.A. (2004). - African horsesickness virus serotyping and identification of multiple co-infecting serotypes with a single genome segment 2 RT-PCR amplification and reverse line blot hybridization. J. virol. Meth., 122, 49-56.
17. McIntosh B.M. (1958). - Immunological types of horsesickness virus and their significance in immunization. Onderstepoort J. vet. Res., 27, 465-538.
18. Meiswinkel R. (1989). - Afrotropical Culicoides: a redescription of C. (Avaritia) imicola Kiefer, 1913 (Diptera: Ceratopogonidae) with description of the closely allied C. (A.) bolitinos sp. nov. reared from the dung of the African buffalo, blue wildebeest and cattle in South Africa. Onderstepoort J. vet. Res., 56, 23-39.
19. Meiswinkel R. (1997). - Discovery of a Culicoides imicola-free zone in South Africa: preliminary notes and potential significance. Onderstepoort J. vet. Res., 64, 81-86.
20. Meiswinkel R. & Paweska J.T. (2003). - Evidence for a new field Culicoides vector of African horse sickness in South Africa. Prev. vet. Med., 60, 243-253.
21. Meiswinkel R., Venter G.J. & Nevill E.M. (2004). - Vectors: Culicoides spp. In Infectious diseases of livestock (J.A.W. Coetzer & R.C. Tustin, eds). Oxford University Press, Cape Town, 93-136.
22. Mellor P.S. (1994). - Epizootiology and vectors of African horse sickness virus. Comp. Immunol. Microbiol. infec. Dis., 17, 287-296.
23. Mellor P.S. & Hamblin C. (2004). - African horse sickness. Vet. Res., 35, 445-466.
24. Nevill E.M. (1968). - A significant new breeding site of Culicoides pallidipennis Carter, Ingram and Macfie (Diptera: Ceratopogonidae). J. S. Afr. vet. med. Assoc., 39 (3), 61.
25. Nevill E.M., Venter G.J., Edwardes M., Pajor I.T.P., Meiswinkel R. & van Gas J.H. (1988). - Culicoides species associated with livestock in the Stellenbosch area of the Western Cape Province, Republic of South Africa (Diptera: Ceratopogonidae). Onderstepoort J. vet. Res., 55, 101-106.
26. Nevill E.M., Erasmus B.J. & Venter G.J. (1992). - A six-year survey of viruses associated with Culicoides biting midges throughout South Africa (Diptera: Ceratopogonidae). In Bluetongue, African horse sickness and related orbiviruses (T.E. Walton & B.I. Osbum, eds). CRC Press, Boca Raton, Florida, 314-319.
27. Nunamaker R.A., Sieburth P.J., Dean VC., Wigington J.G., Nunamaker C.E. & Mecham J.O. (1990). - Absence of transovarial transmission of bluetongue virus in Culicoides variipennis: immunogold labelling of bluetongue virus antigen in developing oocytes from Culicoides variipennis (Coquillett). Comp. Biochem. Physiol., 96, 19-31.
28. Paweska J.T., Venter G.J. & Mellor P.S. (2002). - Vector competence of South African Culicoides species for bluetongue virus serotype 1 (BTV-1) with special reference to the effect of temperature on the rate of virus replication in C. imicola and C. bolitinos. Med. vet. Entomol., 16, 10-21.
29. Paweska J.T., Prinsloo S. & Venter G.J. (2003). - Oral susceptibility of South African Culicoides species to live-attenuated serotype-specific vaccine strains of African horse sickness virus (AHSV). Med. vet. Entomol., 15, 436-447.
30. Paweska J.T. & Venter G.J. (2004). - Vector competence of Culicoides species and the seroprevalence of homologous neutralizing antibody in horses for six serotypes of equine encephalosis virus (EEV) in South Africa. Med. vet. Entomol., 18, 398-407.
31. Paweska J.T., Venter G.J. & Hamblin C. (2005). - Comparison of oral susceptibility of Culicoides imicola and C. bolitinos to eight serotypes of epizootic haemorrhagic disease virus. Med. vet. Entomol., 19, 200-207.
32. Purse B.V., Mellor P.S., Rogers D.J., Samuel A.R., Mertens P.P.C. & Baylis M. (2005). - Climate change and the recent emergence of bluetongue in Europe. Nature Rev. Microbiol., 3, 171-181.
33. Sellers R.F., Pedgley D.E. & Tucker M.R. (1977). - Possible spread of African horse sickness on the wind. J. Hyg. (Camb.), 79, 279-298.
34. South African Weather Bureau (1986). - Climate of South Africa, WB40. Weather Bureau, Department of Environment Affairs, Pretoria.
35. Theiler A. (1921). - African horse sickness (pestis equorum). S. Afr. Dept. Agr. Sci. Bull., 19, 1-29.
36. Thompson J.D., Gibson T.J., Plewniak F., Jeanmougin F. & Higgins D.G. (1997). - The CLUSTAL X windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools. Nucleic Acids Res., 25, 4876-4882.
37. Venter G.J., Nevill E.M. & Meiswinkel R. (1987). - Stock-associated Culicoides species in South Africa. In Proc. 6th Congress of the Entomological Society of Southern Africa, 6-9 July, Stellenbosch. Entomological Society of Southern Africa, Pretoria, 84.
38. Venter G.J. & Sweatman G.K. (1989). - Seasonal abundance and parity of Culicoides biting midges associated with livestock at Roma, Lesotho (Diptera: Ceratopogonidae). Onderstepoort J. vet. Res., 56, 173-177.
39. Venter G.J. & Meiswinkel R. (1994). - The virtual absence of Culicoides imicola (Diptera: Ceratopogonidae) in a light-trap survey of the colder, high-lying area of the eastern Orange Free State, South Africa, and implications for the transmission of arboviruses. Onderstepoort J. vet. Res., 61, 327-340.
40. Venter G.J., Meiswinkel R., Nevill E.M. & Edwardes M. (1996). - Culicoides (Diptera: Ceratopogonidae) associated with livestock in the Onderstepoort area, Gauteng, South Africa as determined by light-trap collections. Onderstepoort J. vet. Res., 63, 315-325.
41. Venter G.J., Nevill E.M. & van der Linde T.C. (1996). - Geographical distribution and relative abundance of stock-associated Culicoides species (Diptera: Ceratopogonidae) in southern Africa, in relation to their potential as viral vectors. Onderstepoort J. vet. Res., 63 (1), 25-38.
42. Venter G.J., Nevill E.M. & van der Linde T.C. (1997). - Seasonal abundance and parity of stock-associated Culicoides species (Diptera: Ceratopogonidae) in different climatic regions in southern Africa in relation to their vector potential. Onderstepoort J. vet. Res., 64 (4), 259-271.
43. Venter G.J., Paweska J.T., van Dijk A.A., Mellor P.S. & Tabachnick W.J. (1998). - Vector competence of Culicoides bolitinos and C. imicola for South African bluetongue virus serotypes 1, 3 and 4. Med. vet. Entomol., 12, 378-385.
44. Venter G.J., Graham S.D. & Hamblin C. (2000). - African horse sickness epidemiology: vector competence of South African Culicoides species for virus serotypes 3, 5 and 8. Med. vet. Entomol., 14, 245-250.
45. Walker A.R. & Boreham P.F.L. (1976). - Saline as a collection medium for Culicoides (Diptera: Ceratopogonidae) in blood feeding and other studies. Mosq. News, 36, 18-20.
46. Walter S.D., Hildreth S.W. & Beaty B.J. (1980). - Estimation of infection rates in populations of organisms using pools of variable size. Am. J. Epidemiol., 112, 124-128.
47. White D.M., Wilson W.C., Blair C.D. & Beaty B.J. (2005). - Studies on overwintering of bluetongue viruses in insects. J. gen. Virol., 86, 453-462.
48. World Organisation for Animal Health (OIE) (2004). - African horse sickness, Chapter 2.1.11. In Manual of Standards for Diagnostic Tests and Vaccines. OIE, Paris, 221-232.