The application of numerical taxonomy in the classification of staphylococci from bovine milk
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Date
Authors
Erasmus, J.A.
Journal Title
Journal ISSN
Volume Title
Publisher
Pretoria : Government Printer
Abstract
One-hundred-and-two isolates of staphylococci from bovine milk were each subjected to a battery of 19 different tests. With the application of numerical taxonomy these isolates could be classified into 1 genus and 3 different species. Although the majority of the coagulase negative organisms were grouped as 1 species, the biochemical differences within this group indicated that they should belong to at least 2 species. About 50% of these isolates could be designated Staphylococcus epidermidis. Possibly because of the small number of tests, a finer division into different species could not be made.
The coagulase-positive organisms could be divided into 2 species, the smaller group of which consisted of 3 isolates only. If used as the only method for identification, the coagulase test produces false positive results at a rate of about 2,5% of cases and false negative results at a rate of about 1,7%.
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Keywords
Veterinary medicine, Staphylococci, Cattle, Milk
Sustainable Development Goals
Citation
Erasmus, JA 1983, 'The application of numerical taxonomy in the classification of staphylococci from bovine milk’, Onderstepoort Journal of Veterinary Research, vol. 50, no. 4, pp. 291-293.