Browsing 1952 Onderstepoort Journal of Veterinary Research, Volume 25, Number 3 & 4, 1952 by Title

Browsing 1952 Onderstepoort Journal of Veterinary Research, Volume 25, Number 3 & 4, 1952 by Title

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  • The new synthetic insecticides as dressings tor blowfly strike in sheep 
    Du Toit, R.; Fiedler, O.G.H.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    1. The more recent literature on the blowfly problem in South Africa is reviewed and the general conclusions regarding control measures discussed. 2. The larvicidal properties of a number of the new synthetic insecticides for ...
  • Newcastle disease vaccination: the use of live virus after inactivated vaccine 
    Kaschula, V.R.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    The use is described of Beaudette's Roakin strain live virus intra-ocularly on fowls previously vaccinated with an aluminium hydroxide adsorbed formalinized chick embryo vaccine. Good response to this combination was ...
  • A note on the alkaloid of Crotalaria damarensis 
    Louw, P.G.J.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
  • A note on the staining of bacterial capsules 
    Sterne, Max; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    The efficiency of Muir's capsule stain could be much increased by adding a surface-active agent (CTAB) to the primary carbol-fuchsin stain, and by using 0•1 per cent. alkaline methylene blue as a counter stain. Heating ...
  • The occurence of some hitherto undescribed Leucocytozoon and Haemoproteus species in South African birds 
    Jansen, B.C.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1952)
    The presence of Leucocytozoon in three and Haemoproteus in two members of the family Columbidae is recorded.
  • The occurrence of Eperythrozoon parvum Splitter, 1950 in South African swine 
    Jansen, B.C.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    (1) The presence of Eperythrozoon parvum in a splenectomised pig at Onderstepoort is recorded. (2) Preliminary studies on the transmission of this parasite suggest that Haematopinus suis may be a vector.
  • A rapid economical method for accurate determination of the percentage packed cells in a bacterial suspension 
    Van Drimmelen, G.C.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
  • Studies on the pharmacology and toxicology of Acovenoside A 
    Clark, R.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    It has been shown that Acovenoside A. is a typical cardio-active glycoside in both its pharmacological and toxicological actions. It is highly cumulative. either materially or functionally, and by prolonged action can ...
  • Subject index 
    Anonymous; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
  • Transvaalin, a cardiac glycoside isolated from Urginea burkei, Bkr. (Transvaal Slangkop) 
    Louw, P.G.J.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    (1) A cardiac glycoside, transvaalin, with molecular formula C₃₆H₅₂O₁₃, was isolated from Urginea burkei Bkr. (2) Transvaalin has the typical raticidal properties of scilliroside when dosed per os or injected ...
  • Tuberculosis in man, an animal health problem 
    Fourie, P.J.J.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    In testing the Onderstepoort herd of experimental animals, totalling 224 animals, 10 positive reactors were found in 1949. Since tuberculosis was eradicated from this herd in 1940 by slaughtering all reactors and doubtful ...
  • The utilization of phosphorus from different sources by the rat 
    Reinach, Norman; Louw, J.G.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    An experiment has been carried out in which the relative availability to young rats of the phosphorus in bone meal, bone ash, dicalcium phosphate and tricalcium phosphate has been ascertained. Live weight gains, the ash ...