A multinomial logistic regression method was used to investigate the risk factorsfor antimicrobial resistance (AMR) in Salmonella isolated from faecal samples\u00a0collected on 80 Ontario swine farms in Canada. The samples were\u00a0classified into three groups including Salmonella-negative samples (S)), Salmonella-positive samples without AMR (S+AMR)) and Salmonella-positive samples\u00a0with AMR (S+AMR+). The samples collected directly from pigs had a\u00a0greater chance to be positive for Salmonella with AMR compared to those samplescollected from the pen floor. The odds of culturing Salmonella with or\u00a0without AMR was higher if pelleted feed was used compared with mash orliquid feed (P < 0.001). The faecal samples collected on farrow-to-finish farms\u00a0had a significant lower chance of testing positive for Salmonella with multidrug\u00a0resistance than the samples from grow-finisher farms (P = 0.004). The chance\u00a0of culturing Salmonella without AMR on farms with a continuous system was\u00a0higher than on farms with an all-in\/all-out system (P = 0.009). However, there\u00a0was no significant association between the flow system and recovery of Salmonella\u00a0with AMR. The larger farms were more likely to be in S+AMR+ group\u00a0than in S) group (P < 0.001) whereas herd size did not appear as a risk factor\u00a0for being in S+AMR) group compared with S) group.<\/p>\n
These findings indicate\u00a0that although on-farm antimicrobial use is one component of resistance, there\u00a0might be other farm management factors that also affect the development of\u00a0emerging resistant bacterial foodborne pathogens on swine farms.<\/p>\n","protected":false},"excerpt":{"rendered":"
A multinomial logistic regression method was used to investigate the risk factorsfor antimicrobial resistance (AMR) in Salmonella isolated from faecal samples\u00a0collected on 80 Ontario swine farms in Canada. The samples were\u00a0classified into three groups including Salmonella-negative samples (S)), Salmonella-positive samples without AMR (S+AMR)) and Salmonella-positive samples\u00a0with AMR (S+AMR+). The samples collected directly from pigs had […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[46,2585,14,35],"class_list":["post-14951","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-feed","tag-pellet","tag-pig","tag-swine"],"_links":{"self":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/14951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/comments?post=14951"}],"version-history":[{"count":1,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/14951\/revisions"}],"predecessor-version":[{"id":14953,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/14951\/revisions\/14953"}],"wp:attachment":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/media?parent=14951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/categories?post=14951"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/tags?post=14951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}