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Related Experiment Videos

[Microbiological study in pork production]

Zh Kunev, I Ionova, M Milev

    Veterinarno-Meditsinski Nauki
    |January 1, 1981
    PubMed
    Summary
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    Pork surface contamination by Salmonella was investigated. While Salmonella was not detected, animal washing significantly reduced bacterial load, though contamination persisted at skin removal sites and certain muscle groups.

    Area of Science:

    • Food safety microbiology
    • Meat hygiene
    • Animal husbandry

    Context:

    • Surface contamination of pork is a critical food safety concern.
    • Understanding contamination sources is vital for effective control measures.
    • Pathogenic organisms like Salmonella pose a significant risk in pork production.

    Purpose:

    • To investigate sources of surface contamination on pork.
    • To assess the effectiveness of pre-slaughter washing on bacterial load.
    • To identify high-risk areas for contamination on pork carcasses.

    Summary:

    • A study examined pork surface contamination using 74 experimental series, analyzing fecal samples, skin swabs (pre- and post-washing, post-stunning), wash water, and meat surfaces.
    • No Salmonella was detected in 1628 analyses of fecal and skin samples from pigs.

    Related Experiment Videos

  • Animal washing reduced skin bacterial contamination over 70-fold, but contamination remained significant at the skin removal site and on abdomen and forelimb muscles.

    • Impact:

    • Highlights the efficacy of pre-slaughter washing in reducing overall bacterial contamination.
    • Identifies specific anatomical locations on pork carcasses that require targeted hygiene interventions.
    • Informs best practices for minimizing microbial risks in pork processing to enhance food safety.