Journal of Hygiene

Research Article

Salmonella saint-paul infection in two dairy herds

P. W. Jonesa1, P. Collinsa1, G. T. H. Browna1 and M. M. Aitkena1

a1 Agricultural Research Council, Institute for Research on Animal Diseases, Compton, Newbury, Berkshire, RG16 0NN

Abstract

An outbreak of salmonellosis due to Salmonella saint-paul in two dairy herds was first detected during routine examination of calves soon after calving; infection reached 100% amongst calves and up to 60% amongst milking cows. Excretion by cows continued for over 12 months and by calves for up to 18 months.

The most important factor in controlling the spread of infection was reduction of environmental contamination by removal of carriers, prompt antibiotic treatment of sick calves and reduction in stocking densities.

(Received April 05 1983)

(Accepted May 04 1983)

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