Browsing 1997 Onderstepoort Journal of Veterinary Research, Volume 64, 1997 by Author "De Waal, D.T."

Browsing 1997 Onderstepoort Journal of Veterinary Research, Volume 64, 1997 by Author "De Waal, D.T."

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  • Evaluation of a 3 ml heartwater (cowdriosis) infective blood vaccine dose 
    Combrink, M.P.; De Waal, D.T.; Troskie, P.C.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Three milliliters of blood from the present commercially produced heartwater infective blood vaccine (Ball3 stock) was experimentally tested in sheep and cattle for infectivity and efficacy. Results obtained for this ...
  • In vitro cultivation of Babesia equi: detection of carrier animals and isolation of parasites 
    Zweygarth, Erich; Just, M.C.; De Waal, D.T.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    By means of an in vitro culture technique, 75 samples of horse blood were examined for Babesia equi, a causative agent of equine piroplasmosis. At the time of culture initiation, 15 samples were microscopically positive ...
  • Prevalence of equine piroplasmosis in Central Mongolia 
    Avarzed, A.; De Waal, D.T.; Igarashi, I.; Saito, A.; Oyamada, T.; Toyoda, Y.; Suzuki, N.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    Antigen for the indirect fluorescent antibody test (IFAT) was routinely prepared from infected erythrocytes from horses experimentally infected with Babesia equi and Babesia caballi. With the successful establishment of ...