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Development of on-farm control measures for the reduction of Salmonellosis in slaughter pigs
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Date
2007
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P.B. Lynch, N. Leonard, J. Egan, M. Kozlowski, C. Mannion. Development of on-farm control measures for the reduction of Salmonellosis in slaughter pigs. Teagasc End of Project Report, 2007.
Abstract
The purpose of this study was to assess on-farm control measure for the reduction in the incidence of Salmonella on commercial pig units which were in Category 3 (high incidence) based on the slaughter-plant meat juice Elisa test under the national Salmonella control scheme.
In Task 1, a survey was carried out on 86 pig units of known Salmonella status, 45 were in category 3 or high Category 2 (high incidence) and 41 were in Category 1 (low incidence). Information was collected on the physical facilities, location, ownership and management practices on these farms with a view to identifying risk factors associate with a high prevalence of Salmonellosis.
Task 2 was the development (in conjunction with the farm owner/operator and his veterinary adviser) of control programmes for selected farms (n = 14). Farms were selected on the basis of being in Salmonella level Category 3 and the willingness of the operator to participate.
Task 3 involved monitoring of the Salmonella incidence on the farms in Task 2 for a 24 month period. This involved collection of blood and faeces samples from pigs from each production stage on the unit at approximately 6-month intervals.
Task 4 was an assessment of the costs to the pig industry (and individual producer) of measures associated with the Salmonella control programme.
Task 5 was a study of the effect of hygiene, transport and lairage practices on Salmonella prevalence in slaughtered pigs.