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The pathogenicity for mice of group B streptococci of bovine origin

Published online by Cambridge University Press:  15 May 2009

I. H. Pattison
I. H. Pattison
Affiliation:
Agricultural Research Council Field Station, Compton, Berks
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The following conclusions were drawn from these experiments with bovine group B streptococci:

1. A relationship existed between lethal power and the number of living organisms inoculated, and, therefore, the number of living organisms inoculated must be determined when the killing power of a strain is under investigation.

2. Equal doses of the same strain were likely to kill more mice, but less rapidly, when inoculated intravenously than when inoculated intraperitone-ally.

3. Virulence for mice might be related to serological type.

4. The disease caused by intraperitoneal inoculation of strain S 13 was a rapidly fatal peritonitis with concomitant bacteraemia.

5. The disease caused by intravenous inoculation of strain S13 was a fatal bacteraemia with a tendency for the streptococci to form dense clumps in widely separated tissues.

Type
Research Article
Information
Journal of Hygiene , Volume 47 , Issue 2 , June 1949 , pp. 159 - 165
Copyright
Copyright © Cambridge University Press 1949

References

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