Browsing 1907 Report of the Government Veterinary Bacteriologist of the Transvaal 1907 - 1908 by Subject "African horse sickness -- South Africa"

Browsing 1907 Report of the Government Veterinary Bacteriologist of the Transvaal 1907 - 1908 by Subject "African horse sickness -- South Africa"

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  • Comparative physical-chemical research, with special reference to horsesickness 
    Frei, Walter; Transvaal Department of Agriculture (Pretoria: Government Printer and Stationery Office, 1909)
    Experiments were undertaken to find differences by means of various physical methods combined between normal horses, horses suffering from horse-sickness, horses immune and hyperimmune against horse-sickness and serum ...
  • Fever reactions in horses simulating horsesickness 
    Theiler, Arnold, Sir, 1867-1936; Transvaal Department of Agriculture (Pretoria: Government Printer and Stationery Office, 1909)
    Conclusions: The injection of two-mule Tzaneen virus protected against four-mule Tzaneen virus, but not completely against the exposure virus. The two-mule Tzaneen virus, the four-mule Tzaneen virus, and the exposure virus ...
  • Horsesickness 
    Frei, Walter; Transvaal Department of Agriculture (Pretoria: Government Printer and Stationery Office, 1909)
    Physical-chemical characteristics of horses such as body temperature, volume of erythrocytes, viscosity of blood, viscosity of serum, specific gravity of serum, conductivity of serum etc. were examined.
  • The loss of virulency of horsesickness virus in practice 
    Theiler, Arnold, Sir, 1867-1936; Transvaal Department of Agriculture (Pretoria: Government Printer and Stationery Office, 1909)
    Resume: The experiments prove that a virus may become inert in practice; this avirulency is due to some foreign matter, inasmuch as inert virus added to virulent sterile virus promptly produces avirulency. It is probable ...
  • On the variability of a particular strain of horsesickness virus 
    Theiler, Arnold, Sir, 1867-1936; Transvaal Department of Agriculture (Pretoria: Government Printer and Stationery Office, 1909)
    Conclusions: 1. The virus Tzaneen has in no instance been virulent for all mules injected; this virulency differs, so to say, from animal to animal; one particular animal seems to influence the virus in such a way that ...