Browsing South African National Veterinary Repository by Author "Logan, L.L."

Browsing South African National Veterinary Repository by Author "Logan, L.L."

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  • Cowdria ruminantium: stability and preservation of the organism 
    Logan, L.L.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    Blood collected in either sodium heparin or disodium edetate vacutainers from febrile goats infected with 4 isolates of Cowdria ruminantium and cryopreserved with 10% dimethyl sulphoxide at -70⁰C and -196⁰C was an effective ...
  • Cross-immunity between isolates of Cowdria ruminantium 
    Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Logan, L.L.; Birnie, E.F.; Mebus, C.A.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    Cross-immunity studies in goats and mice using 4 isolates of Cowdria ruminantium, 2 from the Republic of South Africa (Kwanyanga and Kümm), 1 from the Republic of Mali (Mali 1), and 1 from Guadeloupe (Garde1), demonstrated ...
  • The development of Cowdria ruminantium in neutrophils 
    Logan, L.L.; Whyard, T.C.; Quintero, J.C.; Mebus, C.A.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    The sequential development of C. ruminantium (Kwanyanga and Kumm isolates) was followed in caprine leukocyte cultures by light microscopy, direct immunofluorescent microscopy (DFA), indirect immunofluorescent microscopy ...
  • The serological relationship between Cowdria ruminantium and certain members of the genus Ehrlichia 
    Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); Holland, C.J.; Logan, L.L.; Mebus, C.A.; Ristic, M.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    Although Cowdria ruminantium has been classified within the tribe Ehrlichia of the family Rickettsiaceae, there has been no extensive study conducted regarding its antigenic relationship to members of the genus Ehrlichia, ...