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 AiM  Vol.7 No.6 , June 2017
Detection of Salmonella enterica Serovar Rissen in Slaughter Pigs in Northern Ireland
Abstract: Salmonella enterica serovar Rissen has been recognised as a common serovar in humans and pigs around the world. This study investigated S. Rissen prevalence in pigs slaughtered in Northern Ireland additionally looking at antibiotic susceptibility profiles, genetic profiles and plasmid profiles to provide information on an emerging non-typhoid Salmonella serotype with the potential to cause disease in humans. S. Rissen were isolated on five separate sampling occasions from both the boning hall and slaughter line of a randomly selected single pig abattoir in Northern Ireland (NI). Following antibiotic susceptibility testing against 16 antibiotics, all S. Rissen isolates were identified as susceptible to 15 antibiotics but resistant to tetracycline (R-type: Te). Of the 29 S. Rissen, 27 were isolated from pigs originating in NI and two S. Rissen were isolated from pigs originating in the Republic of Ireland (RoI). The combined results of the PFGE and plasmid profiling analyses were capable of subdividing the S. Rissen isolates into three distinct groups. The data suggests that S. Rissen is an emerging serovar in Northern Ireland and continued surveillance of this serovar is warranted as it has the potential to cause disease in humans.
Cite this paper: Egan, D. , Naughton, V. , Dooley, J. and Naughton, P. (2017) Detection of Salmonella enterica Serovar Rissen in Slaughter Pigs in Northern Ireland. Advances in Microbiology, 7, 513-522. doi: 10.4236/aim.2017.76040.
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