Browsing 1972 Onderstepoort Journal of Veterinary Research, Volume 39, 1972 by Issue Date

Browsing 1972 Onderstepoort Journal of Veterinary Research, Volume 39, 1972 by Issue Date

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  • "Grootlamsiekte", a specific syndrome of prolonged gestation in sheep : further investigations 
    Basson, P.A.; Lucks, H.J.; Joubert, J.P.J.; Burger, J.H.S.; 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)
    By feeding both leaves and twigs of Salsola tuberculata var. tomentosa to pregnant ewes, it was established that the daily ingestion of 0,9 kg of this material for at least 10 to 50 days during any stage of gestation could ...
  • Visualization of the extracapsid coat in certain bluetongue-type viruses 
    Lecatsas, G.; Gorman, B.M.; 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)
    Electron microscopic studies employing the negative staining technique have demonstrated an extracapsid coat in Corriparta, Eubenangee, D'Aguilar, Warrego, Mitchell R, Wallal and M9/71 viruses. These observations are ...
  • Laboratory investigations on the life-cycle of Rhipicephalus theileri Bedford & Hewitt, 1925 (Ixodoidea: Ixodidae) 
    Neitz, W.O.; Walters, H.S.; Boughton, F.; 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)
    Detailed data on the rearing of the progeny of a single R. theileri female for 7 generations at 25 to 26°C and 85 to 90% RH are presented in a series of tables and a figure. The average duration of the lifecycle is 491 ...
  • 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 ...
  • Clinical foot-and-mouth disease in the African buffalo (Syncerus caffer) 
    Young, E.; Hedger, R.S.; Howell, P.G.; 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)
  • First report of facial eczema in sheep in South Africa 
    Marasas, Walter F.O. (Walter Friedrich Otto); Adelaar, T.F.; Minne, J.A.; Van Rensburg, I.B.J.; Burroughs, G.W.; Kellerman, T. Stephanus; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K.; Walker, Jane B. (Published by the Government Printer, Pretoria, 1972)
    The occurrence of facial eczema in sheep in the Republic of South Africa is reported for the first time. The disease in this country is similar to that described in New Zealand and Australia. To date it has only been ...
  • An anthelmintic test for gastro-intestinal nematodes of cattle 
    Reinecke, R.K.; 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)
    Suitable experimental groups of calves for controlled anthelmintic tests were created by repeatedly dosing susceptible worm-free animals orally with infective larvae of Haemonchus placei, Ostertagia ostertagi, Oesophagostomum ...
  • An electrocardiographic study of normal goats and cattle using a modified technique 
    Schultz, R.A. (Rowena Anitra); Pretorius, P.J.; 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)
    An electrocardiographic technique, developed in sheep in the standing position, was applied to normal cattle and goats. Recordings were made with Einthoven's triangle in the sagittal plane and with the electrodes in rigidly ...
  • Studies on schistosomiasis. 3. Detection of antibodies against Schistosoma mattheei by the indirect immuno-fluorescent method 
    Du Plessis, J.L.; Van Wyk, Jan Aucamp; 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 indirect fluorescent antibody test was employed to determine levels of serum antibodies in cattle and sheep infested with Schistosoma mattheei. Using smears of schistosome cercariae as antigen, a high degree of specificity ...
  • Studies on the in vitro and the in vivo transcription of the bluetongue virus genome 
    Huismans, H. (Henk), 1942-; Verwoerd, Daniel Wynand; 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)
    Bluetongue virus particles, converted to a high density form by the selective removal of two polypeptides from their protein capsids, possess RNA dependent RNA polymerase activity. The enzyme, which can be assayed by its ...
  • Characterization of eight rough mutants of Salmonella gallinarum 
    Cameron, Colin McKenzie; Fuls, W.J.P.; Van Reenen, Lucille; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K. (Published by the Government Printer, Pretoria, 1972)
    The cultural, serological and immunological properties of eight rough mutants of S. gallinarum were compared with the parent smooth strains as well as with a reference rough mutant (S. gallinarum strain 9R). The rough ...
  • Electron microscopic and serological studies on simian virus S.A. 11 and the "related" O agent 
    Lecatsas, G.; 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)
    Electron microscopic and serological studies carried out on Simian virus S.A. 11 and the O agent in MK2 cells have indicated that these viruses differ considerably. While S.A. 11 virus is associated with vesicles of the ...
  • Formation of Wallal virus in cell culture 
    Gorman, B.M.; Lecatsas, G.; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K.; Walker, Jane B. (Pretoria : The Government Printer, 1972)
  • Oocysts of Isospora papionis in the skeletal muscles of chacma baboons 
    McConnell, E.E.; Basson, P.A.; Thomas, Shan E.; De Vos, Valerius; 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)
    Numerous partially and fully sporulated oocysts of Isospora papionis were found in the skeletal muscles of two free-ranging adult male chacma baboons (Papio ursinus). Only one of them had I. papionis oocysts in the intestines ...
  • Staphylococcal mastitis : phage types and patterns of S. aureus 
    Van den Heever, Louwrens Wepener; Du Toit, I.J.; Giesecke, W.H.; 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)
    Phage typing of 187 isolates of S. aureus showed that a small proportion of udder infections was caused by "human" strains of S. aureus and the majority by "bovine" strains. A total of 35 different phage patterns was ...
  • Ingestion of the plant Fadogia monticola Robyns as an additional cause of gousiekte in ruminants 
    Hurter, L.R.; Naude, T.W.; Adelaar, T.F.; Smit, J.D.; Codd, L.E.; 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)
    Investigation of outbreaks of gousiekte in cattle in the northern Transvaal revealed that Fadogia monticola Robyns is an additional cause of this disease, which is characterized by sudden heart failure without prodromal ...
  • Some protozoan parasites of tragelaphine antelopes in South Africa with special reference to a Babesia sp. in a bushbuck and a Trypanosoma Theileri-like parasite in a nyala 
    Bigalke, R.D.; Keep, M.E.; Schoeman, J.H.; 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)
  • An electrocardiographic study of normal sheep using a modified technique 
    Schultz, R.A. (Rowena Anitra); Pretorius, P.J.; Terblanche, M.; 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)
    A technique was developed which allowed a reproducible electrocardiogram to be recorded in normal sheep. Einthoven's triangle was moved to the sagittal plane and the needle electrodes were positioned at fixed points. Six ...
  • Interferon induction by bluetongue virus and bluetongue virus ribonucleic acid 
    Huismans, H. (Henk), 1942-; Eksteen, P.A.L.; 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 stimulation of interferon synthesis by bluetongue virus and by bluetongue virus ribonucleic acid was investigated in order to determine if there is a difference in the mechanism of induction. The molecular mass of the ...
  • Host preferences of Culicoides midges (Diptera : Ceratopogonidae) in South Africa as determined by precipitin tests and light trap catches 
    Nevill, E.M.; Anderson, D.; 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 host-preferences of a number of South African Culicoides biting midges were determined by precipitin tests and by an analysis of catches from light traps set near host animals. Results showed C. pallidipennis to feed ...