Salmonella Brandenburg in the pork chain in Italy: Genetic comparison with the human isolates

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Silvia Bonardi *
Marina Morganti
Giovanni Pupillo
Franco Brindani
(*) Corresponding Author:
Silvia Bonardi | silvia.bonardi@unipr.it

Abstract

Salmonella Brandenburg ranked 16th among the serovars responsible for human infections in EU in 2015 and it was found to be associated with swine. In Emilia- Romagna and Lombardy regions of northern Italy, S. Brandenburg was isolated from mesenteric lymph nodes, fecal matter, carcasses and conveyor belts at pig slaughterhouses in 2014 and 2015. In the same area, S. Brandenburg was detected in pork salami in 2015. In the present study, 12 isolates of S. Brandenburg recovered from the pork food-chain were typed by XbaI PFGE and their three profiles were compared to all human S. Brandenburg isolates processed by the Surveillance System of Emilia-Romagna region from 2012 to 2017 (105 isolates). The most frequent pulsotype of porcine origin (6/12) was the second most frequent in humans (16/105). Of the other two pulsotypes of porcine origine (3/12 each), one was the most frequent in humans (41/105), the other was undetected among human isolates.

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