Development of an ELISA test to assess Salmonella status of pig herds

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1999
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Proux, K.
Fravalo, P.
Beloeil, P.
Humbert, F.
Rose, N.
Houdayer, C.
Rose, V.
Picault, J.
Madec, F.
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International Conference on the Epidemiology and Control of Biological, Chemical and Physical Hazards in Pigs and Pork
Iowa State University Conferences and Symposia

The SafePork conference series began in 1996 to bring together international researchers, industry, and government agencies to discuss current Salmonella research and identify research needs pertaining to both pig and pork production. In subsequent years topics of research presented at these conferences expanded to include other chemical and biological hazards to pig and pork production.

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A total of 70 herds were characterized by serology with an indirect ELISA and bacteriology on environmental swabs. Then they were classified according to a factorial analysis followed by a hierarchical clustering into 3 classes, negative, intermediate and strongly positive. Serological and bacteriological methods were correlated for extreme herds but the results were not so clear for intermediate herds. Nevertheless the correlation between the mean calibrated optical density (mean COD) obtained by serology and the percentage of positive herds obtained by bacteriology was high.

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Fri Jan 01 00:00:00 UTC 1999