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      Bacteriological and serological investigation of persistent Salmonella enteritidis infection in an integrated poultry organisation

      , , , , ,
      Veterinary Microbiology
      Elsevier BV

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          Abstract

          Bacteriological monitoring of broiler breeder farms, the hatchery, rendering plant and animal feed mill during 1991 identified a number of potential cross-contamination hazards, such as the use of processed poultry proteins in the company feed mill and contamination of egg trolleys and trays, which may have led to widespread dissemination of Salmonella enteritidis within an integrated poultry organisation. Serological monitoring of the flocks suggested that, in most cases, substantial exposure to S. enteritidis infection occurred during the mid-rearing stage whereas routine bacteriological monitoring of poultry house litter and dust samples, and meconium samples taken in the hatchery identified infection only after the onset of the laying period. At least 10 phage types and six plasmid profile types of S. enteritidis were identified in historic submissions from the organisation including one apparently specific plasmid profile type that was distributed throughout the various parts of the company. During sampling for this investigation, most of these strains were not identified, and the number of plasmid profile types was reduced to a single common UK type.

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          Author and article information

          Journal
          Veterinary Microbiology
          Veterinary Microbiology
          Elsevier BV
          03781135
          November 1997
          November 1997
          : 58
          : 2-4
          : 277-293
          Article
          10.1016/S0378-1135(97)00157-0
          9453137
          c7b67e9e-c2cb-42e5-af1c-bb1fe162c5ae
          © 1997

          https://www.elsevier.com/tdm/userlicense/1.0/

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