Transmission of the South African asinine strain of equine arteritis virus (EAV) among horses and between donkeys and horses

dc.contributor.authorAitchison, Henry
dc.contributor.authorChirnside, E.D.
dc.contributor.authorBarnard, B.J.H.
dc.contributor.editorVerwoerd, Daniel Wynand
dc.contributor.upauthorPaweska, Janusz Tadeusz
dc.date.accessioned2013-08-15T10:46:28Z
dc.date.available2013-08-15T10:46:28Z
dc.date.created2013
dc.date.issued1996
dc.descriptionThe articles have been scanned in colour with a HP Scanjet 5590; 600dpi. Adobe Acrobat X Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.en
dc.description.abstractLateral and sexual transmission of EAV among horses and lateral transmission between donkeys and horses were attempted by experimental infection with the South African asinine strain. Clinical, immunological and virological responses were evaluated. All intramuscularly inoculated horses developed very mild clinical signs, were viraemic, shed virus from nasopharynx, and seroconverted. Lateral infection was demonstrated in one in-contact mare. Reinfection of two stallions by intranasal instillation was shown by virus recovery from bully-coat cultures. After nasal instillation of virus, one stallion which did not become infected by in-contact exposure, showed slight serous nasal and ocular discharge, contained virus in a blood and nasopharynx and seroconverted. Attempts to transmit the virus from seropositive stallions to seronegative mares by breeding, were not successful; no virus was isolated from semen. All inoculated donkeys and three in-contact horses showed clinical signs consistent with an EAV infection. Although virus was isolated from donkey buffy-coat preparations and the nasopharynx, and they seroconverted, no virus was isolated from the horses, and they failed to seroconvert; it was assumed that their clinical signs were due to factors unrelated to EAV. The South African strain of EAV appears to be poorly transmissible to horses, supporting the findings of other field studies which indicate a widespread distribution and long-standing presence of the virus among South African donkeys, but a very restricted prevalence of seropositive horses.en
dc.description.librarianmn2013
dc.identifier.citationPaweska, JT, Aitchison, H, Chirnside, ED & Barnard, BJH 1996, 'Transmission of the South African asinine strain of equine arteritis virus (EAV) among horses and between donkeys and horses’. Onderstepoort Journal of Veterinary Research, vol. 63, no. 3, pp. 189-196.en
dc.identifier.issn0330-2465
dc.identifier.urihttp://hdl.handle.net/2263/22032
dc.language.isoenen
dc.publisherPublished by the Agricultural Research Council, Onderstepoort Veterinary Instituteen
dc.rights© ARC-Onderstepoort (original). © University of Pretoria. Dept of Library Services (digital).en
dc.subjectVeterinary medicineen
dc.subjectAsinine strainen
dc.subjectEquine arteritis virus (EAV)en
dc.subjectHorse (Equus caballus)en
dc.subjectDonkey (Equus asinus)en
dc.subject.lcshVeterinary medicine -- South Africa
dc.subject.lcshHorses -- Virus diseasesen
dc.subject.lcshDonkeys -- Virus diseasesen
dc.titleTransmission of the South African asinine strain of equine arteritis virus (EAV) among horses and between donkeys and horsesen
dc.typeArticleen

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