The study was conducted from June 2011 to May 2012 in central, northern and western parts of Ethiopia to investigate and identify circulating serotypes of African horse sickness virus (AHSV). The indigenous knowledge of equine owners about AHS in the study areas was assessed and also the retrospective data of AHS outbreaks for 2011 were analyzed. Whole blood samples were collected for virus isolation and serotyping from diseased horses and mules showing typical signs of the AHS. Virus isolation on Vero cell and detection of AHSV genomes using conventional RT-PCR were conducted. Further molecular characterization and serotyping were done on positive isolates. The questionnaire survey revealed that equine owners do recognize AHS clinically and have a local name that varies in different regions. From the 72 equine owners interviewed about their knowhow of AHS, 48 (66.7%) of respondents were not aware of AHS disease mode of transmission. The retrospective disease report data showed that a total of 208 outbreaks were reported and 3036 cases and 1167 deaths were recorded in 2011. AHS outbreaks were more frequently observed from September to December and the highest number of outbreaks was recorded in October. During the study period totally six outbreaks were investigated and a total of 62 horses and 10 mules were found sick and all the four forms of AHS were observed. Cardiac form accounted for 52.8%, followed by African horse sickness fever form 31.9%, pulmonary form 8.4% and mixed form 6.9%. AHSV-9 was the only serotype circulating in the outbreak areas. (c) 2013 Elsevier B.V. All rights reserved.
机构:Univ Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
Grewar, John D.
Weyer, Camilla T.
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Univ Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South AfricaUniv Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
Weyer, Camilla T.
Guthrie, Alan J.
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Univ Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South AfricaUniv Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
Guthrie, Alan J.
Koen, Pieter
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机构:Univ Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
Koen, Pieter
Davey, Sewellyn
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机构:Univ Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
Davey, Sewellyn
Quan, Melvyn
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Univ Pretoria, Fac Vet Sci, Dept Vet Trop Dis, ZA-0002 Pretoria, South AfricaUniv Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
Quan, Melvyn
Visser, Dawid
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机构:Univ Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
Visser, Dawid
Russouw, Esthea
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机构:Univ Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
Russouw, Esthea
Buehrmann, Gary
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机构:Univ Pretoria, Fac Vet Sci, Equine Res Ctr, ZA-0002 Pretoria, South Africa
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Univ Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Wits Hlth Consortium, Equine Hlth Fund, Parktown, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Grewar, John Duncan
Weyer, Camilla Theresa
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Univ Pretoria, Equine Res Ctr, Fac Vet Sci, Onderstepoort, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Weyer, Camilla Theresa
Venter, Gert Johannes
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Agr Res Council Onderstepoort Vet Res, Epidemiol Parasites & Vectors, Onderstepoort, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Venter, Gert Johannes
van Helden, Lesley Susan
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Western Cape Vet Serv, Elsenburg, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
van Helden, Lesley Susan
Burger, Phillippa
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Wits Hlth Consortium, Equine Hlth Fund, Parktown, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Burger, Phillippa
Guthrie, Alan John
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Univ Pretoria, Equine Res Ctr, Fac Vet Sci, Onderstepoort, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Guthrie, Alan John
Coetzee, Peter
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Univ Pretoria, Equine Res Ctr, Fac Vet Sci, Onderstepoort, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Coetzee, Peter
Labuschagne, Karien
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Agr Res Council Onderstepoort Vet Res, Epidemiol Parasites & Vectors, Onderstepoort, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Labuschagne, Karien
Buhrmann, Gary
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Western Cape Vet Serv, Elsenburg, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Buhrmann, Gary
Parker, Beverley Joan
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Wits Hlth Consortium, Equine Hlth Fund, Parktown, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa
Parker, Beverley Joan
Thompson, Peter Neil
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Univ Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South AfricaUniv Pretoria, Epidemiol Sect, Dept Prod Anim Studies, Fac Vet Sci, Onderstepoort, South Africa