Browsing by UP Author "Leask, Rhoda"

Browsing by UP Author "Leask, Rhoda"

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  • Abortions in sheep associated with Arcobacter skirrowii infection 
    Bath, Gareth F.; Leask, Rhoda; Pettey, Kenneth P.; Coetzee, Debra J. (OpenJournals Publishing, 2013-09-30)
    The history, circumstances, clinical signs, post mortem lesions, morbidity, mortality and laboratory findings are described in an abortion storm in sheep that occurred in Mpumalanga, South Africa, associated with infection ...
  • An afebrile heartwater-like syndrome in goats 
    Leask, Rhoda; Pettey, Kenneth P.; Bath, Gareth F. (OpenJournals Publishing, 2013-10-23)
    Heartwater is a serious limiting factor for sheep and goat production in the major endemic area of sub-Saharan Africa and therefore most knowledge, research and control methods originate from this region. Whilst the usual ...
  • Congenital reflex myoclonus in two Merino cross lambs in South Africa 
    Blignaut, David J.C.; Holm, Dietmar Erik; Leask, Rhoda; Stander, Nerissa; Steyl, Johan Christian Abraham (BMJ Publishing Group, 2011-12)
    No abstract available.
  • Corynebacterium pseudotuberculosis associated with otitis media-interna in goats 
    Leask, Rhoda; Blignaut, David J.C.; Grobler, Maria Jacoba (OpenJournals Publishing, 2013-08-07)
    Corynebacterium pseudotuberculosis or caseous lymphadenitis is a common condition in sheep and goats. Two cases are described involving otitis media-interna and, in one case, cerebellar abscessation. The first case began ...
  • The effect of application of the FAMACHA© system on selected production parameters in sheep 
    Leask, Rhoda; Van Wyk, Jan Aucamp; Thompson, P.N. (Peter N.); Bath, Gareth F. (Elsevier, 2013-02)
    Much research has gone into developing a sustainable management tool for haemonchosis, namely the FAMACHA© system, which has been validated by numerous studies worldwide. However, the financial implications on production ...
  • The impact of practical experience on theoretical knowledge at different cognitive levels 
    Leask, Rhoda; Cronje, Tanita; Holm, Dietmar Erik; Van Ryneveld, Linda (AOSIS OpenJournals, 2020-07-29)
    Although theoretical training of veterinary students is uncomplicated even for larger groups, practical training remains a challenge. Much has been said about the value of practical training in curriculum design. Yet, ...
  • Incomplete reduction of branchial clefts in Mutton Merino lambs 
    Leask, Rhoda; Pettey, Kenneth P.; Bath, Gareth F. (OpenJournals Publishing, 2014-05-19)
    Congenital malformations of the branchial arches, clefts and grooves have not been previously reported in sheep. These defects may be due to infectious agents (especially viruses), toxins or genetic abnormalities. Defects ...
  • Mycotic rhinitis in a Mutton Merino ewe 
    Leask, Rhoda; Steyl, Johan Christian Abraham (AOSIS OpenJournals, 2017-01-24)
    Although nasal masses are uncommon in sheep and may have several causes, including neoplasia and bacterial, fungal and viral infections, these lesions may lead to economic losses resulting from weight loss and even death. ...
  • Observations and perceptions of veterinarians and farmers on heartwater distribution, occurrence and associated factors in South Africa 
    Leask, Rhoda; Bath, Gareth F. (AOSIS OpenJournals, 2020-06-22)
    BACKGROUND : There is currently no scientific evidence regarding the current climatic or other epidemiological factors that could influence the occurrence of heartwater in South Africa. OBJECTIVES : The objective was to ...
  • A questionnaire survey on diseases and problems affecting sheep and goats in communal farming regions of the Eastern Cape province, South Africa 
    Bath, Gareth F.; Penrith, Mary-Louise; Leask, Rhoda (AOSIS OpenJournals, 2016-08-31)
    A questionnaire of 15 questions was completed by four categories of respondents with the aim of establishing the experience and opinions of these groups on the constraints including animal health problems for communal, ...
  • Rumenolith formation in a Bapedi ram 
    Leask, Rhoda; Bath, Gareth F. (OpenJournals Publishing, 2012-12-13)
    During a routine flock visit, a farmer observed that one of the eight tooth Bapedi rams had been losing body condition despite being separated from the flock and fed supplementary feed. The ram’s body condition score was ...
  • Schmallenberg virus – is it present in South Africa? 
    Leask, Rhoda; Botha, Albertha M.; Bath, Gareth F. (OpenJournals Publishing, 2013-02-12)
    In July 2006, a case of two out of three lambs born to one ewe in a flock of 45 had signs that, in retrospect, were possibly consistent with Schmallenberg virus infection. This occurred in the Onderstepoort area (Gauteng ...