Browsing 2001 Onderstepoort Journal of Veterinary Research, Volume 68, 2001 by Issue Date

Browsing 2001 Onderstepoort Journal of Veterinary Research, Volume 68, 2001 by Issue Date

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  • 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 ...
  • Seroprevalence of Toxoplasma gondii and Chlamydia psittaci in domestic pigeons (Columba livia domestica) at Sebele, Gaborone, Botswana 
    Mushi, E.Z.; Binta, M.G.; Chabo, R.G,; Ndebele, R.; Panzirah, R.; 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)
    High antibody titres to Toxoplasma gondii and Chlamydophila psittaci were demonstrated in serum collected from domestic pigeons at average titres of 1:128 and 1:64 respectively. The public health implications of these ...
  • 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 ...
  • Vaccination to control an outbreak of Mycoplasma crocodyli infection 
    Mohan, K.; Foggin, Chris M.; Dziva, Francis; Muvavarirwa, 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)
    Details of a severe outbreak of M. crocodyli infection in farmed crocodiles are reported. The outbreak was suspected to have been precipitated by translocation-related stress on the animals brought from a farm ...
  • Multifactorial mortality in bongos and other wild ungulates in the north of the Congo Republic 
    Huchzermeyer, Fritz W.; Penrith, Mary-Louise; Elkan, P.W.; 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)
    Wildlife mortality involving bongos, Tragelaphus eurycerus, and other ungulates was investigated in the north of the Congo Republic in 1997. Four bongos, one forest buffalo, Syncerus caffer nanus, and one domestic ...
  • Book reviews 
    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)
  • 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, ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Seroprevalence of bovine leptospirosis in Garanhuns municipal district, Pernambuco State, Brazil 
    Pereira, Gregory Cedric; Oliveira, A.A.F.; Mota, R.A.; Langoni, H.; Souza, M.I.; Navegantes, W.A.; Sa, M.E.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)
    The prevalence of Leptospira interrogans serovars in dairy cattle was determined by analyzing 464 serum samples from cows on 15 properties in Garanhuns municipal district, Pernambuco State, Brazil. A microscopic seroagglutination ...
  • Immunization of cattle against East Coast fever using Theileria parva (Marikebuni) and relaxation of tick control in North Rift, Kenya 
    Wanjohi, J.M.; Ngeranwa, J.N.; Rumberia, R.M.; Muraguri, G.R.; Mbogo, S.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)
    A total of 90 animals was immunized against East Coast fever (ECF) using Theileria parva (Marikebuni) stock on three large-scale farms in Kiminini Division, Trans-Nzoia District, North Rift, Kenya. Another 90 cattle served ...
  • The 3A non-structural-protein coding region of the southern African SAT type isolates differs from that of other foot-and-mouth disease viruses 
    Vosloo, Wilna; Nel, Louis Hendrik; Heath, Livio Edward; Van Rensburg, H.G. (Hester Gertruida); 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 3A non-structural protein of foot-and-mouth disease viruses is a relatively conserved protein comprising 153 amino acids. Recent studies have demonstrated correlation between mutations in the 3A non-structural-protein-coding ...
  • Subject index 
    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)
  • The distribution of ixodid ticks (Acari: Ixodidae) in central Ethiopia 
    Mekonnen, Sileshi; Hussein, I.; Bedane, B.; 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)
    Ixodid ticks were collected from domestic animals, mainly cattle, in 11 administrative zones covering 84 districts in central Ethiopia over a period of 2 years (July 1996 to June 1998). Nineteen tick species were identified. ...
  • 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 ...
  • 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%, ...
  • 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 ...
  • A survey on anthelmintic resistance in nematode parasites of sheep in Lusaka, Zambia 
    Gabriel, Sarah; Phiri, I.K.; Dorny, P.; Vercruysse, 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)
    While surveys in Southern Africa indicate anthelmintic resistance of gastrointestinal nematodes to be common in small ruminants in South Africa, Kenya and Zimbabwe, there have been no reports of resistance in ...
  • Transmission studies on Trichinella species isolated from Crocodylus niloticus and efficacy of fenbendazole and levamisole against muscle L1 stages in Balb C mice 
    Mukaratirwa, S.; Magwedere, Kudakwashe; Matenga, E.; Foggin, Chris 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)
    Forty four Balb C mice, aged 18 weeks were infected with crocodile ( Crocodylus niloticus)-derived Trichinella species. Of the infected mice, 32 were randomly divided into two groups each containing equal numbers ...