Browsing 1952 Onderstepoort Journal of Veterinary Research, Volume 25, Number 3 & 4, 1952 by Author "Fiedler, O.G.H."

Browsing 1952 Onderstepoort Journal of Veterinary Research, Volume 25, Number 3 & 4, 1952 by Author "Fiedler, O.G.H."

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  • The lethal effect of some insecticides on the B.H.C.-resistant blue tick, Boophilus decoloratus Koch 
    Fiedler, O.G.H.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Published by The Government Printer, Pretoria, 1952)
    D.D.T. and its related compounds seem to be the only group of the new contact insecticides against which the blue tick has not been able to build up any resistance. Toxaphene as well as Parathion are definitely less ...
  • 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 ...