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The Viability of B. tuberculosis (Bovinus) on Pasture Land, in Stored Faeces and in Liquid Manure

Published online by Cambridge University Press:  15 May 2009

R. Stenhouse Williams  and
W. A. Hoy
R. Stenhouse Williams
Affiliation:
(The National Institute for Research in Dairying, University of Reading.)
W. A. Hoy
Affiliation:
(The National Institute for Research in Dairying, University of Reading.)
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The results are collected in Table I, and it may be concluded that:

1. Under ordinary conditions in the south of England B. tuberculosis may remain alive and virulent in cow's faeces exposed on pasture land for at least 5 months during winter, for 2 months during spring and for 4 months during autumn. In summer no living organisms were demonstrated after 2 months.

2. Under special conditions, e.g. protection from direct sunlight, the survival period may be 4 months during summer. In autumn faeces protected from earthworms, etc., yielded bacilli after 6 months.

Type
Research Article
Information
Journal of Hygiene , Volume 30 , Issue 4 , November 1930 , pp. 413 - 419
Copyright
Copyright © Cambridge University Press 1930

References

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