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Salmonellosis in two dairy herds associated with a sewage farm and water reclamation plant

Published online by Cambridge University Press:  19 October 2009

F. G. Clegg ,
C. Wray ,
A. L. Duncan  and
W. T. Appleyard
F. G. Clegg
Affiliation:
Ministry of Agriculture, Fisheries and Foods, Veterinary Investigation Centre, The Elms, College Road, Sutton Bonington, Loughborough, Leicestershire
C. Wray
Affiliation:
Central Veterinary Laboratory, New Haw, Weybridge, Surrey
A. L. Duncan
Affiliation:
Veterinary Investigation Centre, Sutton Bonington, Loughborough, Leicestershire
W. T. Appleyard
Affiliation:
Veterinary Investigation Centre, Sutton Bonington, Loughborough, Leicestershire
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Summary

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Two dairy herds, situated on a sewage farm, were monitored for the presence of salmonellas following outbreaks of Salmonella dublin infection. In addition an S. dublin control scheme, which involved examination of adult animals and calf vaccination, was instigated.

During the period 1975–84, 12 salmonella serotypes and 10 phage types of S. typhimurium were isolated from the cattle and their environment although their presence was seldom associated with disease. Two adult S. dublin excreters were detected but it was concluded that none of the tests employed to examine the adult animals was sensitive enough. The prevalence of disease in the calves was low and although vaccination may have been beneficial it did not eradicate S. dublin infection. Thus S. dublin persisted in adults and calves during the 8-year period but its presence was seldom associated with disease. The results are discussed with regards the disease risk to animals from the agricultural use of sewage sludge and the public health aspects.

Type
Research Article
Information
Journal of Hygiene , Volume 97 , Issue 2 , October 1986 , pp. 237 - 246
Copyright
Copyright © Cambridge University Press 1986

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