ArticleApplied and environmental microbiology2004
Phenotypic and molecular typing of Salmonella strains reveals different contamination sources in two commercial pig slaughterhouses.
Article in Applied and environmental microbiology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.
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Who cites it
17 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Worldwide Epidemiology ofApplied and environmental microbiology · 2019Pooled it
- Evaluation of the broad-spectrum lytic capability of bacteriophage cocktails against various Salmonella serovars and their effects on weaned pigs infected with Salmonella Typhimurium.The Journal of veterinary medical science · 2018Trial
- Review
- Article
- Trend ofItalian journal of food safety · 2021Article
- Source Attribution Study of SporadicFrontiers in microbiology · 2020Article
- Article
- Polyphyletic Nature ofFrontiers in microbiology · 2018Article
- Salmonella in the pork production chain and its impact on human health in the European Union.Epidemiology and infection · 2017Review
- First Complete Genome Sequence of a Salmonella enterica subsp. enterica Serovar Derby Strain Associated with Pork in France.Genome announcements · 2015Article
- The commercial impact of pig Salmonella spp. infections in border-free markets during an economic recession.Veterinary world · 2015Review
- Longitudinal study of distributions of similar antimicrobial-resistant Salmonella serovars in pigs and their environment in two distinct swine production systems.Applied and environmental microbiology · 2013Article
- Molecular typing of Salmonella enterica serovars Enteritidis, Corvallis, Anatum and Typhimurium from food and human stool samples in Tunisia, 2001-2004.Epidemiology and infection · 2008Article
- Molecular epidemiology and antimicrobial resistance of Salmonella typhimurium DTI04 on Ontario swine farms.Canadian journal of veterinary research = Revue canadienne de recherche veterinaire · 2008Article
- Comparison of multilocus sequence typing, pulsed-field gel electrophoresis, and antimicrobial susceptibility typing for characterization of Salmonella enterica serotype Newport isolates.Journal of clinical microbiology · 2006Article
- Cost-effective application of pulsed-field gel electrophoresis to typing of Salmonella enterica Serovar Typhimurium.Applied and environmental microbiology · 2005Article
- Comparison of five repetitive-sequence-based PCR typing methods for molecular discrimination of Salmonella enterica isolates.Journal of clinical microbiology · 2005Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study aimed to define the origin of Salmonella contamination on swine carcasses and the distribution of Salmonella serotypes in two commercial slaughterhouses during normal activity. Salmonellae were isolated from carcasses, from colons and mesenteric lymph nodes of individual pigs, and from the slaughterhouse environment. All strains were serotyped; Salmonella enterica serotype Typhimurium and Salmonella enterica serotype Derby isolates were additionally typed beyond the serotype level by pulsed-field gel electrophoresis (PFGE) and antibiotic resistance profiling (ARP); and a subset of 31 serotype Typhimurium strains were additionally phage typed. PFGE and ARP had the same discriminative possibility. Phage typing in combination with PFGE could give extra information for some strains. In one slaughterhouse, 21% of the carcasses were contaminated, reflecting a correlation with the delivery of infected pigs. Carcass contamination did not result only from infection of the corresponding pig; only 25% of the positive carcasses were contaminated with the same serotype or genotype found in the corresponding feces or mesenteric lymph nodes. In the other slaughterhouse, 70% of the carcasses were contaminated, and only in 4% was the same genotype or serotype detected as in the feces of the corresponding pigs. The other positive carcasses in both slaughterhouses were contaminated by genotypes present in the feces or lymph nodes of pigs slaughtered earlier that day or from dispersed sources in the environment. In slaughterhouses, complex contamination cycles may be present, resulting in the isolation of many different genotypes circulating in the environment due to the supply of positive animals and in the contamination of carcasses, probably through aerosols.
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