Surveillance Data Highlights Feed Form, Biosecurity, and Disease Control as Significant Factors Associated with Salmonella Infection on Farrow-to-Finish Pig Farms

Frontiers in Microbiology
Hector ArgüelloPeadar G Lawlor

Abstract

Among the zoonotic pathogens affecting pigs,Salmonellastands out due to the high number of human cases linked to pork consumption. In the last two decades many countries have put considerable effort into the control of the infection by surveillance and control strategies on farm. Despite this effort, many herds still have a highSalmonellaprevalence and they require guidance to address this problem. The present study, using the serological surveillance data of finishing pigs from the Irish National pig Salmonella Control Programme, aimed to highlight factors associated with increased risk or that might mitigateSalmonellaoccurrence on farm. A questionnaire with 33 questions regarding herd characteristics, management, feeding, biosecurity, and health was completed for 61 individual herds. After the multivariate analysis by linear regression, nine variables were retained in the final model and linked to herd seroprevalence. Home produced-feed linked to the use of meal showed an eight points reduction inSalmonellaprevalence compared to purchased feed (p= 0.042). Different biosecurity measures were associated to lower seroprevalence. Changing of footwear from outside to inside the farm decreased seroprevalence nearly 20 units (p= 0.0...Continue Reading

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Citations

Nov 9, 2019·Foodborne Pathogens and Disease·Valentina TrinettaSara Lomonaco

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Methods Mentioned

BETA
enzyme-linked immunosorbent assay
ELISA

Software Mentioned

SAS
Excel

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