A longitudinal study ofthe Salmonella status on Ontario swine farms within the time period 2001-2006
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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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Abstract
In order to describe the fann-level of Salmonella status, I 13 Ontario swine fanns were tested annually for Salmonella I to 5 times within the time period 2001-2006. During 422 visits, 6844 fecal samples were collected and cultured for Salmonella. Salmonella was recovered from 437 (6.4%) of the fecal samples and 69 (61%) of the fanns had at least one positive sample over the entire period of the study. Salmonella was not recovered on II fanns of the 54 fanns visited five times, nor from 7 of the 17 fanns visited four times. On 7 fanns Salmonella was not recovered over the frrst 4 visits but were cultured on the fifth visit. The isolates belonged to 30 different serovars and serogroup B and C I were the most common serogroups.