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[Explosive increase in Salmonella java in poultry. Consequences for public health].

W van Pelt1, H van der Zee, W J B Wannet

  • 1Centrum voor Infectieziekten Epidemiologie (CIE), RIVM. Keuringsdienst van Waren Oost, Zutphen. w.van.pelt@rivm.nl

Tijdschrift Voor Diergeneeskunde
|November 12, 2002
PubMed
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Salmonella Paratyphi B variation Java is increasing in Dutch poultry, showing multi-resistance. This poultry issue has low human infection rates, prompting collaborative control efforts.

Area of Science:

  • Veterinary Microbiology
  • Food Safety
  • Antimicrobial Resistance

Background:

  • Salmonella Paratyphi B variation Java has significantly increased in Dutch poultry since the mid-1990s.
  • This increase is linked to a multi-resistant clone, primarily observed in the Netherlands and Germany.
  • Poultry meat is a significant exposure route for humans, yet Java infections in people remain rare.

Purpose of the Study:

  • To investigate the rise of Salmonella Paratyphi B variation Java in poultry in the Netherlands.
  • To assess the antimicrobial resistance patterns of Java isolates, particularly quinolone resistance.
  • To understand the public health implications and establish control strategies for the Java epidemic in poultry.

Main Methods:

  • Bacteriological surveillance of poultry isolates.

Related Experiment Videos

  • Genetic characterization of Salmonella Paratyphi B variation Java isolates.
  • Antimicrobial susceptibility testing, focusing on quinolones (flumequin, ciprofloxacin).

    • Main Results:

    • Java prevalence in Dutch poultry rose from <2% pre-1996 to 40% in 2001.
    • Isolates post-mid-1990s were predominantly a multi-resistant clone, unlike earlier heterogeneous and sensitive strains.
    • Java resistance to flumequin increased from 3% (1996-1999) to 20% (2000-2002), while other serotypes remained at ~7%.
    • Java is also developing reduced sensitivity to ciprofloxacin, a key treatment for severe salmonellosis.

    Conclusions:

    • A specific multi-resistant clone of Salmonella Paratyphi B variation Java is epidemic in Dutch poultry.
    • Rising quinolone resistance in poultry Java strains is a concern, despite low human infection rates.
    • Collaborative efforts are underway to assess public health risks and implement control measures in the poultry industry.