Browsing Research Articles (Equine Research Centre) by Title

Browsing Research Articles (Equine Research Centre) by Title

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  • The 2011 outbreak of African horse sickness in the African horse sickness controlled area in South Africa 
    Grewar, John Duncan; Weyer, Camilla Theresa; Guthrie, Alan John; Koen, Pieter; Davey, Sewellyn; Quan, Melvyn; Visser, Dawid; Rossouw, Esthea; Buhrmann, Gary (OpenJournals Publishing, 2013-11-15)
    African horse sickness (AHS) is a controlled animal disease in South Africa, and as a result of the high mortality rates experienced, outbreaks in the AHS controlled area in the Western Cape Province have a significant ...
  • African horse sickness 
    Zientara, S.; Weyer, Camilla Theresa; Lecollinet, S. (International Office of Epizootics, 2015)
    African horse sickness (AHS) is a devastating disease of equids caused by an arthropod-borne virus belonging to the Reoviridae family, genus Orbivirus. It is considered a major health threat for horses in endemic areas ...
  • African horse sickness caused by genome reassortment and reversion to virulence of live, attenuated vaccine viruses, South Africa, 2004-2014 
    Weyer, Camilla Theresa; Grewar, John Duncan; Burger, Phillipa; Rossouw, Esthea; Lourens, Carina W.; Joone, Christopher; le Granje, Misha; Coetzee, Peter; Venter, Estelle Hildegard; Martin, Darren P.; MacLachlan, N.J. (James); Guthrie, Alan John (Centers for Disease Control and Prevention, 2016-12)
    African horse sickness (AHS) is a hemorrhagic viral fever of horses. It is the only equine disease for which the World Organization for Animal Health has introduced specific guidelines for member countries seeking official ...
  • African horse sickness in naturally infected, immunised horses 
    Weyer, Camilla Theresa; Quan, Melvyn; Joone, Christopher; Lourens, Carina W.; MacLachlan, N.J. (James); Guthrie, Alan John (Wiley-Blackwell, 2013-01)
    To determine whether subclinical cases, together with clinical cases, of African horse sickness (AHS) occur in immunised horses in field conditions, whole blood samples were collected and rectal temperatures recorded ...
  • Analgesic effects of butorphanol tartrate and phenylbutazone administered alone and in combination in young horses undergoing routine castration 
    Sanz, Macarena G.; Sellon, Debra C.; Cary, Julie A.; Hines, Melissa T.; Farnsworth, Kelly D. (American Veterinary Medical Association, 2009-11)
    OBJECTIVE: To compare the analgesic efficacy of administration of butorphanol tartrate, phenylbutazone, or both drugs in combination in colts undergoing routine castration. DESIGN: Randomized controlled clinical ...
  • Annual ryegrass toxicity in thoroughbred horses in Ceres in the Western Cape Province, South Africa 
    Grewar, John Duncan; Allen, J.G.; Guthrie, Alan John (South African Veterinary Association, 2009-12)
    An outbreak of annual ryegrass toxicity occurred on a Thoroughbred stud in Ceres in the Western Cape Province of South Africa. This is the 1st report of annual ryegrass toxicity in horses in South Africa, although the ...
  • Bluetongue virus infection in farm dogs exposed to an infected sheep flock in South Africa 
    Hanekom, Josef; Ebersohn, Karen; Penzhorn, Lisa; Quan, Melvyn; Leisewitz, Andrew L.; Guthrie, Alan John; Fosgate, Geoffrey Theodore (Wiley, 2024-07)
    In 2021, a pregnant Rottweiler dog living on a sheep farm was diagnosed with clinical bluetongue (BT) infection. This study reports on the investigation of this farm where bluetongue virus (BTV) infection was diagnosed in ...
  • The carrier prevalence of severe combined immunodeficiency, lavender foal syndrome and cerebellar abiotrophy in Arabian horses in South Africa 
    Tarr, Carolynne Jane; Thompson, P.N. (Peter N.); Guthrie, Alan John; Harper, Cindy Kim (Wiley, 2014-07)
    REASONS FOR PERFORMING STUDY : The carrier prevalence of severe combined immunodeficiency (SCID), lavender foal syndrome (LFS) and cerebellar abiotrophy (CA) in Arabian foals in South Africawas determined in order to ...
  • Clinical course of infection and cross-species detection of equine parvovirus-hepatitis 
    Reinecke, Birthe; Klohn, Mara; Bruggemann, Yannick; Kinast, Volker; Todt, Daniel; Stang, Alexander; Badenhorst, Marcha; Koeppel, Katja Natalie; Guthrie, Alan John; Groner, Ursula; Puff, Christina; De le Roi, Madeleine; Baumgärtner, Wolfgang; Cavalleri, Jessika-M. V.; Steinmann, Eike (MDPI, 2021-08)
    Since its first discovery by Arnold Theiler in 1918, serum hepatitis also known as Theiler’s disease has been reported worldwide, causing idiopathic acute hepatitis and liver failure in horses. Recent studies have suggested ...
  • The combination of abundance and infection rates of Culicoides sonorensis estimates risk of subsequent bluetongue virus infection of sentinel cattle on California dairy farms 
    Mayo, Christie E.; Barker, Christopher M.; Mullens, Bradley A.; Gerry, Alec C.; Mertens, Peter P.C.; Maan, Sushila; Maan, Narender; Gardner, Ian A.; Guthrie, Alan John; MacLachlan, N.J. (James) (Elsevier, 2012-06)
    Bluetongue (BT) is an important viral disease of ruminants that is transmitted by hematophagous Culicoides midges. We examined the seasonal patterns of abundance and infection of Culicoides sonorensis at four dairy farms ...
  • Comparative genetics of sarcoid tumour-affected and non-affected mountain zebra (Equus zebra) populations 
    Sasidharan, Sooryakanth P.; Ludwig, Anette; Harper, Cindy Kim; Moodley, Yoshan; Bertschinger, Hendrik Jan; Guthrie, Alan John; Somers, Michael J. (Southern African Wildlife Management Association, 2011-04)
    In recent years, South African conservation officials have noted the appearance of sarcoid tumour-like growths in Cape mountain zebra (Equus zebra zebra) populations. In domestic horses (Equus ferus caballus), a genetic ...
  • A competitive ELISA for the detection of group-specific antibody to equine encephalosis virus 
    Crafford, Jan Ernst; Guthrie, Alan John; Van Vuuren, Moritz; Mertens, Peter P.C.; Burroughs, J.N.; Howell, P.G.; Batten, C.A.; Hamblin, Christopher (Elsevier, 2011-06)
    Please read abstract in article.
  • Complete genome sequences of virus strains isolated from bottle A of the South African live attenuated bluetongue virus vaccine 
    Coetzee, Peter; Guthrie, Alan John; Ebersohn, Karen; Maclachlan, James N.; Ismail, Arshad; Van Schalkwyk, Antoinette; Venter, Estelle Hildegard (American Society for Microbiology, 2020-05-28)
    This is a report of the complete genome sequences of plaque-selected isolates of five virus strains included in bottle A of the South African Onderstepoort Biological Products commercial live attenuated bluetongue virus vaccine.
  • Conserving large carnivores : dollars and fence 
    Packer, C.; Loveridge, A.; Canney, S.; Caro, T.; Garnett, S.T.; Pfeifer, Marion; Zander, K.K.; Swanson, A.; MacNulty, D.; Balme, Guy Andrew; Bauer, H.; Begg, C.M.; Begg, K.S.; Bhalla, S.; Bissett, C.; Bodasing, T.; Brink, H.; Burger, A.; Burton, A.C.; Clegg, B.; Dell, S.; Delsink, Audrey K.; Dickerson, T.; Dloniak, S.M.; Druce, D.; Frank, L.; Funston, Paul J.; Gichohi, N.; Groom, R.J. (Rosemary); Hanekom, C.; Heath, B.; Hunter, Luke T.B.; De Iongh, Hans H.; Joubert, C.J.; Kasiki, S.M.; Kissui, B.; Knocker, W.; Leathem, B.; Lindsey, Peter Andrew; MacLennan, S.D.; McNutt, J.W.; Miller, Susan M.; Naylor, S.; Nel, P.; Ngweno, C.; Nicholls, K.; Ogutu, Joseph O.; Okot-Omoya, E.; Patterson, B.D.; Plumptre, A.; Salerno, J.; Skinner, K.; Slotow, Robert; Sogbohossou, E.A.; Stratford, K.J.; Winterbach, Christiaan W.; Winterbach, Hanlie Evelyn Kathleen; Polasky, S. (Wiley-Blackwell, 2013-05)
    Conservationists often advocate for landscape approaches to wildlife management while others argue for physical separation between protected species and human communities, but direct empirical comparisons of these alternatives ...
  • Cyclic neutropenia in a basset hound 
    Koster, Liza Sally; Harper, Cindy Kim; Goddard, Amelia (BMJ Publishing Group, 2015)
    A 6 month old, male basset hound was referred for intermittent malaise, and pyrexia that repeated every 10-11 days. Sequential blood counts and bone marrow aspirates demonstrated severe neutropaenia and increased myeloid ...
  • Descriptive epidemiology of African horse sickness in Zimbabwe 
    Gordon, Stuart; Bolwell, Charlotte; Rogers, Chris; Guthrie, Alan John; Magunda, Forgivemore; Hove, Petronella (AOSIS Open Journals, 2013-05-24)
    A study of the prevalence of African horse sickness in horses was conducted, using records from two private equine practices in Harare for the period 1998–2004. Results indicated a higher prevalence of the disease in ...
  • Development of a real time polymerase chain reaction assay for equine encephalosis virus 
    Rathogwa, Ntungufhadzeni Maclaughlin; Quan, Melvyn; Smit, J.Q.; Lourens C.; Guthrie, Alan John; Van Vuuren, Moritz (Elsevier, 2014-01)
    Equine encephalosis virus (EEV) is the cause of equine encephalosis. The disease is similar to mild forms of African horse sickness (AHS) and the two diseases are easily confused. Laboratory identification and serotyping ...
  • Diagnostic accuracy of a duplex real-time reverse transcription quantitative PCR assay for detection of African horse sickness virus 
    Guthrie, Alan John; MacLachlan, N.J. (James); Joone, Christopher; Lourens, Carina W.; Weyer, Camilla Theresa; Quan, Melvyn; Monyai, Mpho S.; Gardner, Ian A. (Elsevier, 2013)
    Blood samples collected from 503 suspect cases of African horse sickness (AHS) and another 503 from uninfected, unvaccinated South African horses, as well as 98 samples from horses from an AHS free country, were tested ...
  • Direct culture–independent sequence typing of Taylorella equigenitalis obtained from genital swabs and frozen semen samples from South African horses 
    May, Catherine Edith; Guthrie, Alan John; Schulman, M.L. (Martin) (Sage, 2019-09)
    We report herein the use of crude extracts obtained from samples of Taylorella equigenitalis–infected horses for the purpose of multi-locus sequence typing (MLST). Samples (n = 36) were collected from horses in South Africa ...
  • Duration of repellency of N,N-diethyl-3-methylbenzamide, citronella oil and cypermethrin against Culicoides species when applied to polyester mesh 
    Page, Patrick Collin; Labuschagne, Karien; Nurton, Jane P.; Venter, Gert Johannes; Guthrie, Alan John (Elsevier, 2009-07)
    The repellent efficacy of 15% N,N-diethyl-3-methylbenzamide (DEET), 0.6% citronella oil, and 0.3% α-cyano-cypermethrin against Culicoides species was compared in three 5 × 5 Latin squares (15 replicates) under South African ...