Prevalence of Salmonella spp., in mesenteric pig’s ganglia at Colombian benefit plants

Prevalencia de Salmonella spp., en ganglios mesentéricos de porcinos en plantas de beneficio Colombianas

Objective. Objective was to determine the prevalence of Salmonella spp., in pigs mesenteric ganglion, from different regions of Colombia. Materials and Methods. A stratified sampling by proportional fixation was carried out at benefit plants of each of the 13 participating departments, whose pork production volume is representative at national level. Sampling was performed during five months, for a total of 457 samples analyzed. Salmonella spp., identification was performed by the MDS Molecular System, later isolates were confirmed in Maldi-TOF MS. Antimicrobial susceptibility of the isolates was determined using the B1016-180 panel and statistical analysis was performed in Whonet 2016, some of the multi-resistant isolates were them serotyped by Kauffman-White method. Results. National prevalence was 28.2%, with the presence of S. typhimurium, S. Agama, S. London, S. Agona, S. Haifa and S. 1,4,12: i: -. Resistance to antibiotics frequently used in human (23.6% Trimethoprim/Sulfamethoxazole, 2.7% Cefotaxime (CTX), 11.8% Ampicillin (AMP) and 1.8% Ciprofloxacin) was found. Conclusion. The prevalence of Salmonella in mesenteric ganglia was 28.2%, being the Huila region the one with the highest prevalence, recovering atypical serotypes such as S. London and S. Haifa.

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