Browsing Equine Research Centre by UP Author "Grewar, John Duncan"

Browsing Equine Research Centre by UP Author "Grewar, John Duncan"

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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 ...
  • 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 ...
  • Equine encephalosis in Thoroughbred foals on a South African stud farm 
    Grewar, John Duncan; Thompson, P.N. (Peter N.); Lourens, Carina W.; Guthrie, Alan John (AOSIS OpenJournals, 2015-09-30)
    Thoroughbred foal body temperature data were collected from shortly after birth until shortly after weaning during the 2007/2008 season on a stud farm in the Western Cape Province of South Africa. Equine encephalosis ...
  • A field investigation of an African horse sickness outbreak in the controlled area of South Africa in 2016 
    Grewar, John Duncan; Weyer, Camilla Theresa; Venter, Gert Johannes; Van Helden, Lesley Susan; Burger, Phillippa; Guthrie, Alan John; Coetzee, Peter; Labuschagne, Karien; Buhrmann, Gary; Parker, Beverley Joan; Thompson, P.N. (Peter N.) (Wiley, 2019-03)
    An outbreak of African horse sickness (AHS) caused by AHS virus type 1 occurred within the South African AHS surveillance zone during April and May 2016. The index case was detected by a private veterinarian through passive ...