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2001 Onderstepoort Journal of Veterinary Research, Volume 68, 2001: Recent submissions

  • Tuberculosis, caused by Mycobacterium bovis, in a kudu (Tragelaphus strepsiceros) from a commercial game farm in the Malelane area of the Mpumalanga Province, South Africa 
    Michel, Anita Luise; Bengis, Roy G.; Keet, D.F.; Kriek, N.P.J.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Tuberculosis, caused by Mycobacterium bovis, was diagnosed for the first time, in a kudu cow from a commercial game ranch in the Malelane area of the Mpumalanga Province close to the Kruger National Park. This diagnosis ...
  • Exposure of cattle immunized with different stocks of Theileria parva to buffalo-associated Theileria challenge on two game parks in Zimbabwe 
    Latif, Abdalla A.; Hove, T.; Kanhai, G.K.; Masaka, S.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Eight cattle immunized with cattle-derived Theileria parva Boleni stabilate together with six susceptible controls were released in Dombawera Game Park on the Highveld of Zimbabwe. This coincided with Rhipicephalus ...
  • Clinical evaluation of anaemia in sheep: early trials 
    Van Wyk, Jan Aucamp; Malan, F.S.; Wessels, C.D.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Trials were conducted on a farm in Mpumalanga Province in South Africa to test the possibility of grading the colour of the ocular mucous membranes of sheep as an indication of the extent to which the animals are affected ...
  • Epidemiological observations of Zimbabwean theileriosis: disease incidence and pathogenicity in susceptible cattle during Rhipicephalus appendiculatus nymphal and adult seasonal activity 
    Latif, Abdalla A.; Hove, T.; Kanhai, G.K.; Masaka, S.; Pegram, R.G.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Fifty-nine Hereford cattle susceptible to tick-borne diseases were used as tracer animals to assess the tick challenge and pathogenicity of Theileria parva under field conditions in Zimbabwe. They were moved periodically ...
  • A survey of parasitic nematode infections of chickens in rural Zimbabwe 
    Hove, T.; Esmann, J.B.; Hoj, C.J.; Permin, A.; Nansen, P.; Mukaratirwa, S.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    A survey to determine the nematode species in rural chickens reared extensively was carried out in six districts of Zimbabwe. Two-hundred-and-seventy chickens were randomly collected from the districts and processed for ...
  • Book review: Comprehensive reports on technical items presented to the International Committee or to Regional Commissions 
    Anonymous; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
  • Normal oral bacterial flora from some southern African snakes 
    Blaylock, R.S.M.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Eighteen snakes representing 11 species were subject to mouth swabbing on 58 occasions. Of these swabs, 52.2% were positive for bacteria. A total of 92 bacterial isolates were cultured, representing 30 species of which ...
  • Closure of the ductus arteriosus of indigenous South African goats at high altitude 
    Ohale, L.O.C.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    The closure of the ductus arteriosus (DA) of 31 indigenous South African goats, whose ages ranged from 30 days prenatal to 60 days postnatal, were studied at an altitude of 1514 m above sea level by vascular ...
  • The epidemiology of tuberculosis in free-ranging African buffalo (Syncerus caffer) in the Kruger National Park, South Africa 
    Michel, Anita Luise; De Vos, Valerius; Bengis, Roy G.; Kriek, N.P.J.; Keet, D.F.; Raath, J.P.; Huchzermeyer, Hildegard F.A.K.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    The presence of bovine tuberculosis ( Mycobacterium bovis) in the Kruger National Park (KNP) was determined for the first time in 1990. It was diagnosed in an African buffalo ( Syncerus caffer) bull, which was found recumbent ...
  • Antibodies to Newcastle disease virus in the sera of indigenous chickens in Oodi, Kgatleng, Botswana 
    Mushi, E.Z.; Binta, M.G.; Chabo, R.G.; Hyera, J.M.K.; Thibanyane, K.M.; Mkaria, J.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    A serological survey was conducted to determine the prevalence of antibodies to Newcastle disease virus in apparently healthy and unvaccinated adult indigenous chickens. Haemagglutination inhibiting antibodies ...
  • The establishment, composition and severity of infection of gastro-intestinal parasites and their impact on productivity of Tswana kids in southern Botswana 
    Nsoso, S.J.; Senku, M.M.; Mine, O.M.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    The presence of gastrointestinal parasites in Tswana kids ( n = 7) aged 1-3 weeks was studied for a period of 6 months at the Botswana College of Agriculture. The aims of this study were to find the time when they ...
  • Hosts of the immature stages of the rhinoceros tick, Dermacentor rhinocerinus (Acari, Ixodidae) 
    Horak, Ivan Gerard; Cohen, Marlene; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    The collection of the immature stages of Dermacentor rhinocerinus from host animals is described for the first time. These are the bushveld gerbil ( Tatera leucogaster), from which larvae and nymphs were collected, the red ...
  • Studies on the critical water mass, rehydration capability and potential, acute chill tolerance and supercooling point of Argas (Persicargas) walkerae (Acari: Argasidae) 
    Gothe, R.; Stark, Ulrike; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    The critical water mass, defined as the water mass remaining in a dehydrated tick in the non-ambulatory state, differed only slightly between light and heavy mass groups of Argas walkerae and averaged 23.6% and 23.2%, ...
  • Immunohistochemical and histopathological studies of fixed rabies virus in goats 
    Vural, S. Atalay; Berkin, S.; Alcigir, G.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    The purpose of this study was to systematically demonstrate and compare the pathological and immunohistochemical changes in goats which were infected by a fixed rabies virus that was used in vaccine production. In the ...
  • Parasites of domestic and wild animals in South Africa XXXIX : helminth and arthropod parasites of Angora goats in the southern Karoo 
    Horak, Ivan Gerard; Greeff, C.J.; MacIvor, K.M. de F.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Parasites were collected from 160 Angora goats and kids on the Jansenville Experimental Farm, Eastern Cape Province. Six nematodes were identified to species level and three to generic level. Nematodirus ...
  • A chemically defined medium for the growth of Cowdria ruminantium 
    Zweygarth, Erich; Josemans, A.I.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Chemically defined media, termed SFMC-23 and SFMC-36, were devised for the in vitro culture of Cowdria ruminantium, the causative agent of heartwater in domestic ruminants. Both media were based on Dulbecco's ...
  • Helminths in dogs belonging to people in a resource-limited urban community in Gauteng, South Africa 
    Minnaar, Willem Nicolaas; Krecek, R.C.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    One hundred and sixty-four faecal samples, 148 adhesive tape swabs and 132 blood samples were collected from dogs in Boksburg, Gauteng, to assess the prevalence of helminth parasites in the area. Sixty-nine of ...
  • Refugia - overlooked as perhaps the most potent factor concerning the development of anthelmintic resistance 
    Van Wyk, Jan Aucamp; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Anthelmintic resistance involving particularly the gastrointestinal nematodes of small ruminants is escalating globally, to the extent that in certain countries, such as South Africa, it has already reached alarming ...
  • Tick infestation of Borana cattle in the Borana Province of Ethiopia 
    Regassa, A.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    A study was conducted to identify and determine burdens of ticks infesting Borana cattle in the Borana Province of Ethiopia. Rhipicephalus pulchellus, Rhipicephalus pravus, Rhipicephalus muhsamae, Rhipicephalus praetextatus, ...
  • Seasonal variation in cotyledoside concentration of Tylecodon wallichii (Harv.) Tolken subsp. wallichii sampled in a krimpsiekte-prevalent region 
    Botha, C.J. (Christoffel Jacobus); Rundberget, T.; Wilkins, A.L.; Mulders, M.S.G.; Flaoyen, A.; Van Aardt, M.P.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
    Krimpsiekte, an economically important neuromuscular affliction of small stock, follows upon ingestion of certain members of the Crassulaceae (plakkies) containing cumulative neurotoxic bufadienolides. Tylecodon ...