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The epidemiology of Salmonella dublin infection in a dairy herd: I. Excretion and persistence of the organism

Published online by Cambridge University Press:  15 May 2009

G. H. K. Lawson ,
E. A. McPherson ,
A. H. Laing  and
P. Wooding
G. H. K. Lawson
Affiliation:
Edinburgh University Veterinary Field Station, Easter Bush, By Roslin, Midlothian
E. A. McPherson
Affiliation:
Edinburgh University Veterinary Field Station, Easter Bush, By Roslin, Midlothian
A. H. Laing
Affiliation:
Edinburgh University Veterinary Field Station, Easter Bush, By Roslin, Midlothian
P. Wooding
Affiliation:
Edinburgh University Veterinary Field Station, Easter Bush, By Roslin, Midlothian
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Summary

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This paper describes the epidemiologically relevant events that took place in a dairy herd infected by Salmonella dublin. The evidence presented indicates that it may be possible to eliminate infection from the farm and that residual infection or persistent excretion are uncommon. In two animals infection persisted, in one instance in the tonsil and in the other in the gall bladder. In this latter case the infection remained from the neonatal period until adulthood. It is possible that both these animals are relevant in a more general context and are indicative of the source of infection in outbreaks in which the origin of infection cannot be deter-mined by more routine examinations.

Type
Research Article
Information
Journal of Hygiene , Volume 72 , Issue 3 , June 1974 , pp. 311 - 328
Copyright
Copyright © Cambridge University Press 1974

References

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