Browsing 1973 Onderstepoort Journal of Veterinary Research, Volume 40, 1973 by Title

Browsing 1973 Onderstepoort Journal of Veterinary Research, Volume 40, 1973 by Title

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  • Foot-and-mouth disease in the African elephant (Loxodonta africana) 
    Howell, P.G.; Young, E.; Hedger, R.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, 1973)
    A strain of SAT 2 foot-and-mouth disease virus which was experimentally inoculated into the epidermis of the tongues of captive African elephants produced vesicular lesions at the site of inoculation. After a short period ...
  • Helminths from the mountain reedbuck, Redunca fulvorufula (Afzelius, 1815) 
    Boomker, Jacob Diederik Frederik; Baker, Maureen 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, 1973)
    Helminth parasites recovered from the mountain reedbuck in the Loskop Dam Nature Reserve and the Mountain Zebra National Park are recorded. The following species are new host records: Moniezia expansa, Cooperia hungi, C. ...
  • Lesions in sheep skeletal and oesophageal muscle in vermeersiekte (Geigeria ornativa O. Hoffm. poisoning) 
    Pienaar, J.G.; Kriek, N.P.J.; Naude, T.W.; Ellis, Shirley D.; Adelaar, T.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, 1973)
    Vermeersiekte in sheep, which is characterized clinically by vomition of ruminal contents, often accompanied by stiffness or paralysis, is caused by various plant species of the genus Geigeria. A histopathological study ...
  • Margaropus wileyi sp. nov. (Ixodoidea, Ixodidae), a new species of tick from the reticulated giraffe 
    Walker, Jane B.; Laurence, B.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, 1973)
    Descriptions are given of the male and female of Margaropus wileyi sp. nov. collected from the reticulated giraffe in Kenya. A key is given to the three species now known in the genus Margaropus and their differential ...
  • Mechanism of envelopment of herpesvirus by the nuclear envelope 
    Lecatsas, G.; Poste, 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, 1973)
  • Molecular hybridization studies on the relationships between different serotypes of bluetongue virus and on the difference between the virulent and attenuated strains of the same serotype 
    Huismans, H. (Henk), 1942-; Howell, P.G.; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K.; Walker, Jane B. (Pretoria : The Government Printer, 1973)
    Isolates of ³H-labelled messenger RNA of a number of different bluetongue virus serotypes were hybridized with saturating amounts of denatured ³²P-labelled double-stranded RNA of different serotypes. These cross-hybridization ...
  • Photosensitivity in South Africa. 1. A comparative study of Asaemia axillaris (Thunb.) Harv. Ex Jackson and Lasiospermum bipinnatum (Thunb.) Druce poisoning in sheep 
    Basson, P.A.; Kellerman, T. Stephanus; Naude, T.W.; Van Rensburg, I.B.J.; Welman, Wilhelmina G.; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K.; Walker, Jane B. (Pretoria : The Government Printer, 1973)
    Experimental evidence is presented to confirm field observations that Asaemia axillaris (Thunb.) Harv. ex Jackson and Lasiospermum bipinnatum (Thunb.) Druce cause ovine hepatogenous photosensitization. The two plants have ...
  • A serological investigation on adult cattle vaccinated with Brucella abortus strain 19 
    Worthington, R.W.; Mulders, M.S.G.; McFarlane, I.S.; Becker, 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, 1973)
    Serum antibody titres were followed for a period of two years in 99 beef and 29 dairy cows which had been vaccinated as adults with B. abortus strain 19. Agglutination titres remained above diagnostic levels throughout but ...
  • Serological titres following vaccination of sheep and goats with Brucella melitensis Rev I vaccine 
    McFarlane, I.S.; Worthington, R.W.; Mulders, M.S.G.; Becker, 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, 1973)
    Rev 1 vaccination of sheep induced complement fixation titres to both Brucella abortus and Brucella ovis antigens, the complement fixing antibody titres were, however, higher with the B. abortus antigen. These titres ...
  • Studies on schistosomiasis. 4. Differential staining of live and dead cercariae after immobilization with physostigmin 
    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, 1973)
    A modified eosin technique similar to that used for differential staining of live and dead spermatozoa stained dead cercariae of Schistosoma mattheei red while those that were alive remained colourless and transparent. Prior ...
  • Studies on schistosomiasis. 5. Sampling methods for estimating the numbers of cercariae in suspension with special reference to the infestation of experimental animals 
    Groeneveld, Hendrik T.; Van Wyk, Jan Aucamp; De Kock, V.E.; De Lange, M; Bigalke, R.D.; Cameron, Colin McKenzie; Walker, Jane B.; Verster, Anna J.M. (Published by the Government Printer, Pretoria, 1973)
    Various sampling methods for Schistosoma mattheei cercariae, including sampling from different concentrations, were tested. The most satisfactory method consisted of mixing the cercarial suspension by pouring it to and fro ...
  • Studies on the development of a vaccine against bovine ephemeral fever 
    Theodoridis, A.; Boshoff, S.E.T.; Botha, M.J.; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K.; Walker, Jane B. (Pretoria : The Government Printer, 1973)
    Bovine ephemeral fever virus of low passage level (5th to 8th) in tissue culture has proved to be more antigenic for cattle than higher passage level (17th to 19th) or mouse-brain-adapted virus. However, the neutralizing ...
  • Studies on the enhancement of immunity to Corynebacterium pseudotuberculosis 
    Cameron, Colin McKenzie; Fuls, W.J.P.; De Kock, V.E.; De Lange, M.; Howell, P.G.; Bigalke, R.D.; Reinecke, R.K.; Walker, Jane B. (Pretoria : The Government Printer, 1973)
    Experiments were undertaken to enhance the immune response of mice, guinea pigs and sheep to C. pseudotuberculosis vaccine. The antibody response of guinea pigs was not increased either by the simultaneous administration ...
  • The toxicology and pathology of dieldrin and photodieldrin poisoning in two antelope species 
    Wiese, I.H.; Basson, P.A.; Naude, T.W.; Maartens, B.P.; Basson, N.C.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, 1973)
    Blesbuck (Damaliscus dorcas phillipsi) and springbuck (Antidorcas marsupialis) were found to be more susceptible to dieldrin and its photoisomer than any vertebrates reported on previously in the literature. In blesbuck ...
  • Variation in morphology of ephemeral fever virus 
    Theodoridis, A.; Lecatsas, G.; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Cameron, Colin McKenzie; Walker, Jane B.; Verster, Anna J.M. (Published by the Government Printer, Pretoria, 1973)
    Electron microscope studies on the three ephemeral fever virus (EFV) strains EFVl, EFV13 (South Africa) and Japanese bovine epizootic fever (BEF) virus (Strain YHK) showed that the normally cone-shaped South African EFV, ...