Prevalence and genetic diversity of enteropathogenic Yersinia spp. in pigs at farms and slaughter in Lithuania

The prevalence of enteropathogenic Yersinia spp. in pigs at farms and slaughter in relation to potential farming risk factors in Lithuania was examined. Pig faeces and carcase swab samples from 11 farms were studied at slaughterhouses. Nine of the 11 farms were visited again 3–5months later, and poo...

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Published inResearch in veterinary science Vol. 94; no. 2; pp. 209 - 213
Main Authors Novoslavskij, Aleksandr, Šernienė, Loreta, Malakauskas, Alvydas, Laukkanen-Ninios, Riikka, Korkeala, Hannu, Malakauskas, Mindaugas
Format Journal Article
LanguageEnglish
Published England Elsevier India Pvt Ltd 01.04.2013
Elsevier Limited
Subjects
Abattoirs
Animal Husbandry
Animals
biosecurity
farming systems
farms
feces
Genetic diversity
Genetic Variation
genotype
humans
Lithuania - epidemiology
Prevalence
Risk Factors
slaughter
slaughterhouses
Swine
Swine Diseases - epidemiology
Swine Diseases - microbiology
Veterinary medicine
Yersinia - genetics
Yersinia enterocolitica
Yersinia Infections - epidemiology
Yersinia Infections - microbiology
Yersinia Infections - veterinary
Yersinia pseudotuberculosis
yersiniosis
Lithuania
Yersinia enterocolitica
Genetic diversity
Prevalence
Risk factors
Yersinia pseudotuberculosis
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Summary:The prevalence of enteropathogenic Yersinia spp. in pigs at farms and slaughter in relation to potential farming risk factors in Lithuania was examined. Pig faeces and carcase swab samples from 11 farms were studied at slaughterhouses. Nine of the 11 farms were visited again 3–5months later, and pooled feacal samples and environmental samples were collected. Pathogenic Yersinia enterocolitica was found in 64% and Yersinia pseudotuberculosis in 45% of the sampled pig farms. All obtained isolates belonged to bioserotypes 4/O:3 and 2/O:3, respectively. Low biosecurity level was associated with a high prevalence of Y. enterocolitica on farms. Characterization with PFGE of 64 Y. enterocolitica and 27 Y. pseudotuberculosis isolates revealed seven and two different genotypes, respectively. Dominant enteropathogenic Yersinia spp. genotypes were obtained in both pig feacal and carcase samples. The high contamination of pig carcases (25%) with enteropathogenic Yersinia spp. may be an important factor contributing to the high incidence of human yersiniosis in Lithuania.
Bibliography:http://dx.doi.org/10.1016/j.rvsc.2012.09.021
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ISSN:0034-5288
1532-2661
DOI:10.1016/j.rvsc.2012.09.021