Browsing 1988 Onderstepoort Journal of Veterinary Research, Volume 55, 1988 by Author "Williamson, Catherine C."

Browsing 1988 Onderstepoort Journal of Veterinary Research, Volume 55, 1988 by Author "Williamson, Catherine C."

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  • An ELISA using an SDS extract of Brucella abortus strain 99 as antigen to detect B. abortus antibodies in cattle sera 
    Williamson, Catherine C.; Oberem, P.T.; Poerstamper, C.; De Waal, D.T.; Matthee, O.; Brett, O.L.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1988)
    An ELISA was developed using an SDS extract of Brucella abortus as antigen to detect antibodies in cattle sera. The antigen was stable at 4 °C for at least 4 years and although it gave optimal results at a 1/4 000 dilution ...
  • An investigation into alternative methods for the diagnosis of dourine 
    Stoltsz, Wilhelm Heinrich; Williamson, Catherine C.; Mattheus, A.; Schiele, G.J.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1988)
    The complement fixation test (CFT), indirect fluorescent antibody test (IFAT), card agglutination test for trypanosomiasis (CATT) and enzyme-linked immunosorbent assay (ELISA) were compared in their application to the ...
  • The isolation and serology of the "FSA" Brucella melitensis Rev.1 mutant in a flock of sheep 
    Gummow, Bruce; Pefanis, S.M.; Pieterson, P.M.; Williamson, Catherine C.; Venter, Catharina G.; Herr, S.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1988)
    A flock of sheep, known to be infected with the "FSA" mutant of Brucella melitensis Rev. 1, was examined serologically and bacteriologically to determine whether any relationship existed which would help in the control of ...