Browsing 1992 Onderstepoort Journal of Veterinary Research, Volume 59, 1992 by Author "Du Plessis, J.L."

Browsing 1992 Onderstepoort Journal of Veterinary Research, Volume 59, 1992 by Author "Du Plessis, J.L."

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  • Adult Amblyomma hebraeum burdens and heartwater endemic stability in cattle 
    Du Plessis, J.L.; Loock, P.J.; Ludemann, C.J.F.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)
    Several conclusions of importance to studies on the epidemiology of heartwater were drawn from an investigation in which the numbers of adult Amblyomma hebraeum ticks, to which a closed herd of Hereford cattle were exposed ...
  • Flow cytometric analysis of the T cell response in mice infected with Cowdria ruminantium 
    Du Plessis, J.L.; Gray, C.; Van Strijp, M.F.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)
    A 3-fold increase in the numbers of Lyt-2⁺ T cells in the circulating blood of mice infected and reinfected with the Welgevonden stock of Cowdria ruminantium, as determined by flow cytometry, is supportive evidence that ...