The immunization of mules with formalised horsesickness virus. Part II
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Date
Authors
Du Toit, P.J.
Alexander, R.A.
Neitz, W.O.
Journal Title
Journal ISSN
Volume Title
Publisher
Union of South Africa : Dept. of Agriculture
Abstract
In a previous communication [this Bull. 3. 538.] it was shown that mules could be protected against horsesickness by a suitable formalinized vaccine. Further work has confirmed these results and indicated that a spleen virus attenuated by 1:2, 000 formalin protected against a 1:3, 500 concentration, while mules which survived the double inoculation were solidly immune. The method was not entirely devoid of danger as a mortality rate from the vaccine of about 5 per cent may be expected. The substitution of Tyrode's solution in place of saline as a diluent for the spleen emulsions failed to improve the vaccine.
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Keywords
Formaldehyde, Veterinary medicine, Veterinary reports, South Africa
Sustainable Development Goals
Citation
Du Toit, PJ, Alexander, RA & Neitz, WO 1933, 'The immunization of mules with formalysed horsesickness virus. II', Onderstepoort Journal of Veterinary Science and Animal Industry, vol. 1, no. 1, pp. 21-24.