Distribution of Salmonella serovars along the food chain in Poland, 2010–2015

Abstract

IntroductionData collection on the Salmonella occurrence is crucial in effective implementation of different actions or control programmes aiming to protect consumers’ health and to reduce the level of Salmonella prevalence in farm animals. The goal was to describe Salmonella serovar distribution along the food chain in Poland during 2010–2015 and to identify their epidemiological importance.Material and MethodsSlide agglutination according to White-Kauffmann-Le Minor scheme was used to identify Salmonella serovars of 6,928 isolates originating from animals, food, feeds, and fertilisers.ResultsIn total, 160 Salmonella serovars were identified. Differences in serovar distribution were observed depending on animal species. Among isolates from hens, S. Enteritidis and S. Infantis were the most prevalent. Serovar pattern in turkeys differed from those in hens, with S. Kentucky, S. Newport, S. Saintpaul being the most prevalent. Monophasic S. Typhimurium was predominant in pigs. Serovars found in food reflected those observed among livestock animals. Nine out of the ten most prevalent serovars in animals and humans were also found in organic fertilisers.ConclusionSerotyping of large number of isolates from different sources is essential for insight on emerging serovars and trends of Salmonella occurrence. This may increase the value of epidemiological data and result in updating of Salmonella control programmes to target further epidemiologically important serovars in animals and better protection of consumers’ health.

Antimicrobial Resistance and Biofilm Formation Capacity of Salmonella enterica Serovar Enteritidis Strains Isolated from Poultry and Humans in Poland

“…It is worth noting that the majority of strains isolated from humans (56.8%) and poultry (41.2%) were resistant to nalidixic acid. Similar results (40.0%) were shown by Skarżyńska et al [ 26 ]. Other authors noted a wide variety of nalidixic acid resistance (25.0–39.8%) in isolates from humans and food [ 25 , 29 , 31 , 42 ].…”

In vitro virulence characteristics of rare serovars of Salmonella enterica isolated from sand lizards (Lacerta agilis L.)

“…Human salmonellosis caused by this serovar has been previously reported in Turkey (Aksoycan et al 1983 ) and Poland (PZH and GIS 2016 ). Both serovars occur occasionally in Poland in wildlife and food-producing animals, as well as organic fertilizers (Skarżyńska et al 2017 ). S. Telhashomer has been identified more frequently than other serovars in toads (Sharma et al 1977 ), but no reports of human cases was noted.…”

Salmonella and Antimicrobial Resistance in Wild Rodents—True or False Threat?

“…Animals can be asymptomatic Salmonella carriers and may constitute a reservoir of AMR determinants. The role of food-producing animals in the spread of AMR and Salmonella along the food chain has been confirmed by numerous monitoring programs [ 3 , 6 , 7 , 8 ]. Several reports indicate the contribution of wildlife in AMR and Salmonella dissemination [ 9 , 10 , 11 ].…”