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Browsing Veterinary Science by UP Author "Guthrie, Alan John"
Now showing items 1-20 of 55
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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.
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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.
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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 ...
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Badenhorst, Marcha; Page, Patrick Collin; Ganswindt, Andre; Laver, Peter N.; Guthrie, Alan John; Schulman, M.L. (Martin) (BioMed Central, 2015-06-02)BACKGROUND : The prevalence of equine herpesvirus types-1 and -4 (EHV-1 and -4) in South African Thoroughbreds at auction sales is currently undefined. Commingling of young Thoroughbreds from various populations together with ...
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Quan, Melvyn; Lourens, Carina W.; MacLachlan, N.J. (James); Gardner, Ian A.; Guthrie, Alan John (Elsevier, 2010)Nucleotide sequences of 52 South African isolates of African horse sickness virus (AHSV) collected during 2004–2005 and including viruses of all nine AHSV serotypes, were used to design and develop a duplex real-time ...
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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 ...
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Hughes, Stephen Bernard; Quan, Melvyn; Guthrie, Alan John; Schulman, M.L. (Martin) (AOSIS Open Journals, 2013-08-30)The insulin-like growth factor system (insulin-like growth factor 1, insulin-like growth factor 2, insulin-like growth factor 1 receptor, insulin-like growth factor 2 receptor and six insulinlike growth factor-binding ...
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Weyer, Camilla Theresa; Joone, Christopher; Lourens, Carina W.; Monyai, Mpho S.; Koekemoer, J.J.O. (Otto); Grewar, John Duncan; Van Schalkwyk, Antoinette; Majiwa, P.O.A. (Phelix); MacLachlan, N.J. (James); Guthrie, Alan John (Elsevier, 2015-10)Blood samples collected as part of routine diagnostic investigations from South African horses with clinical signs suggestive of African horse sickness (AHS) were subjected to analysis with an AHS virus (AHSV) group specific ...
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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 ...
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Mayo, Christie E.; Weyer, Camilla Theresa; Carpenter, M.J.; Reed, K.J.; Rodgers, C.P.; Lovett, K.M.; Guthrie, Alan John; Mullens, B.A.; Barker, C.M.; Reisen, W.K.; MacLachlan, N.J. (James) (International Office of Epizootics, 2021-06)The availability of rapid, highly sensitive and specific molecular and serologic diagnostic assays, such as competitive enzyme-linked immunosorbent assay (cELISA), has expedited the diagnosis of emerging transboundary ...
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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 ...
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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 ...
Now showing items 1-20 of 55