Browsing Onderstepoort Journal of Veterinary Research by Title

Browsing Onderstepoort Journal of Veterinary Research by Title

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  • Identification of drugs effective against Cowdria ruminantium using a mouse screening system 
    Heartwater : Past, Present and Future. Workshop (1986 : Kruger National Park, South Africa); McHardy, N.; MacKenzie, P.K.I.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    Heartwater is a tick-transmitted rickettsial infection of ruminants, caused by Cowdria ruminantium. The tetracyclines are the only compounds available for therapy of the disease. A screen, using mice infected with C. ...
  • The identification of factors capable of reversing the core-mediated inhibition of the bluetongue virus transcriptase 
    Huismans, H. (Henk), 1942-; Van Dijk, A.A.; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1987)
    The in vitro transcription reaction of bluetongue virus (BTV) is characterized by a core-mediated, temperature-dependent inhibition at high core concentrations and temperatures (Van Dijk & Huismans, 1980; Huismans, Van ...
  • The identification of Mycoplasma conjunctivae as an aetiological agent of infectious keratoconjunctivitis of sheep in South Africa 
    Van Halderen, A.; Van Rensburg, W.J.J.; Geyer, A.; Vorster, J.H. (Jan Harm); Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)
    Ovine keratoconjunctivitis was successfully reproduced in lambs under 1 year of age, in four separate transmission trials, by the use of mycoplasma isolates obtained from field outbreaks of ovine infectious keratoconjunctivitis. ...
  • The identification of Mycoplasma mycoides mycoides LC as the aetiological agent of balanoposthitis and vulvovaginitis in sheep in South Africa 
    Prozesky, Leon; Trichard, C.J.V.; Jordaan, P.; Jacobsz, Elsie P.; Henton, Marijke M.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
    Clinical ulcerative balanoposthitis and vulvovaginitis was experimentally reproduced in 14 sheep infected with a Mycoplasma mycoides mycoides LC field strain, isolated from the Straussheim Dorper stud. The study encompassed ...
  • Identification of the antigenic proteins of Cowdria ruminantium 
    Neitz, Albert Walter Herman; Rossouw, Mirinda; De Waal, D.T.; Du Plessis, J.L.; Van Gas, Letitia; Brett, Susan; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1990)
    Immunoblotting of Cowdria ruminantium proteins with sheep or bovine antiserum identified 2 antigenically conserved proteins, one being an immunodominant 31 kDa and the other a minor 27 kDa protein. These proteins are present ...
  • Identification of the protective and toxic antigens of Corynebacterium pseudotuberculosis 
    Cameron, Colin McKenzie; Buchan, L.; Jansen, B.C. (Pretoria : The Government Printer, 1966)
    It has been shown that the toxic factors and the immunizing antigens in the cells of C. pseudotuberculosis are distinct. These different antigens can be partially separated by ammonium sulphate and acid precipitation ...
  • Identification of the serotype-specific and group-specific antigens of bluetongue virus 
    Huismans, H. (Henk), 1942-; Erasmus, B.J.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1981)
    The bluetongue virus (BTV) core particle contains 2 major polypeptides, P3 and P7, and is surrounded by an outer capsid layer that is composed of the 2 major polypeptides, P2 and P5. Analysis of the immune precipitates ...
  • The identity of so-called Paramphistomum cervi and P. explanatum, two common species of ruminant trematodes in South Africa 
    Swart, P.J.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1954)
  • The immune response in a dog to Encephalitozoon cuniculi infection 
    Stewart, C.G.; Collett, M.G.; Snyman, Helena; Bigalke, R.D. (Published by the Government Printer, Pretoria., 1986)
    The immune response to Encephalitozoon cuniculi infection in a dog was investigated by means of the indirect fluorescent antibody test, the leucocyte migration inhibition test and the radial immunodiffusion test for serum ...
  • The immune response of horses to tetanus toxoid 
    Jansen, B.C.; Knoetze, P.C.; Steyn, P.J.J.; Bigalke, R.D.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.; Cameron, Colin McKenzie; Gilchrist, Frances M.C. (Published by The Government Printer, Pretoria, 1979)
    An intramuscular injection of 8-16 Lf tetanus toxoid in water-in-oil emulsion protected adult horses against tetanus for at least 128 weeks. A booster dose of 8 Lf toxoid in aqueous solution protected them for a further ...
  • Immune response of Merino sheep to inactivated Corynebacterium pseudotuberculosis vaccine 
    Cameron, Colin McKenzie; Minnaar, J.L.; Engelbrecht, Maria M.; Purdom, Mary R.; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K.; Walker, Jane B. (Published by The Government Printer, Pretoria, 1972)
    The brand of yeast extract used for medium production is critical for the cultivation of large numbers of Corynebacterium pseudotuberculosis. The agglutination test was used to measure the antibody response which followed ...
  • Immune response of rabbits, mice and sheep to polyvalent Pasteurella vaccine 
    Cameron, Colin McKenzie; Smit, Gertruida; South Africa. Dept. of Agricultural Technical Services; Tustin, R.C.; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E. (Pretoria : Government Printer, 1970)
    A polyvalent alum-precipitated vaccine containing Pasteurella multocida (Lehmann & Neuman, 1899) types A and D and four serotypes of Pasteurella haemolytica (Newsom & Cross, 1932) produced a sound immunity in mice and sheep ...
  • Immune response to dead and live Eschericia coli vaccines and colostral transfer of immunity to calves and lambs 
    Cameron, Colin McKenzie; Fuls, W.J.P.; South Africa. Dept. of Agricultural Technical Services; Tustin, R.C.; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E. (Pretoria : Government Printer, 1970)
    Administration of a single injection of killed polyvalent Escherichia coli (Migula, 1895) vaccine to ewes and cows resulted in a marked increase in the mouse protective properties of their sera. Antibodies were effectively ...
  • Immune response to the simultaneous vaccination of day-old chickens with live and inactivated oil-based Newcastle disease vaccines 
    Pollard, B.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Jordaan, E.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B. (Published by The Government Printer, Pretoria, 1982)
    The immune response, as measured by the haemagglutination-inhibition test, to the simultaneous administration of live Hitchner B1 and 2 commercially available, inactivated, oil-based, emulsified, Newcastle disease vaccines ...
  • Immune responses in a horse inoculated with the VP2 gene of African horsesickness virus 
    Romito, M.; Du Plessis, D.H.; Viljoen, G.J.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1999)
    The ability of a DNA vaccine to elicit an immune response in a horse was evaluated. The outer capsid protein VP2 of African horsesickness virus is known to elicit protective immunity in horses. Reverse transcribed DNA ...
  • The immunisation of cattle against East Coast fever 
    Theiler, Arnold, Sir, 1867-1936; Union of South Africa. Dept. of Agriculture (Cape Town : Cape Times Limited, Government Printers, 1912)
  • Immunisation of mules with inadequate and adequate serum and virus, and the immunity obtained therefrom 
    Theiler, Arnold, Sir, 1867-1936; Transvaal Department of Agriculture (Pretoria: Government Printing and Stationery Office, 1908)
    Conclusions: l. The simultaneous injection of serum 0 and adequate virus resulted in typical horse-sickness reactions, and the immunity obtained therefrom prevented a reaction when the adequate virus is subsequently ...
  • Immunity against genital infection by Histophilus-ovis in rams 
    Jansen, B.C.; Hayes, Marianna; Bigalke, R.D. (Published by The Government Printer, Pretoria, 1984)
    Rams have been immunized against an infection of their genitalia by Histaphilus avis. An alum-precipitated antigen and an antigen plus Freund's complete adjuvant proved equally effective. An injection of live H. ovis into ...
  • The immunity in heartwater 
    Neitz, W.O.; Du Toit, P.J. (Pretoria : The Government Printer, 1939)
    The experiments here described were undertaken in order to determine (a) the duration in sheep of immunity to heartwater and whether immunologically different strains exist, and (b) how the immunity is maintained. Among ...
  • Immunity in heartwater : I. A preliminary note on the role of serum antibodies 
    Du Plessis, J.L.; South Africa. Dept. of Agricultural Technical Services; De Lange, M.; Reinecke, R.K.; De Kock, V.E.; Walker, Jane B.; Tustin, R.C. (Pretoria : Government Printer, 1970)
    Ammonium sulphate precipitated gamma-globulins obtained from sheep immune to Cowdria ruminantium (Cowdry, 1925) failed to protect susceptible sheep against artificial infection by this parasite, irrespective of whether the ...