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  • Title: [Epizootic-epidemiologic aspects of the Salmonella infection chain in poultry production].
    Author: Heider G.
    Journal: Z Gesamte Hyg; 1989 Nov; 35(11):643-5. PubMed ID: 2609677.
    Abstract:
    Infections with S. typhimurium and S. enteritidis develop in poultry flocks as persistent flock enzootics, often without any clinical manifestation. Infected parenteral hen flocks are the source of vertical, so-called pseudo-trans-ovarian infection chains. These chains may induce horizontally self-maintaining cycles of the infection in the flocks. Environmental Salmonella may enter such cycles. Each of these cycles is able to transmit Salmonella to poultry products so entailing human health hazards permanently. The intensification in modern poultry production causes the permanent presence of Salmonella in the flocks. Hitherto all known control measures (biological, chemoprophylactic, physical) didn't result in a remarkable success. Therefore, the only alternative is the consequent implementation of hygiene regimes in all stages of production and during processing and marketing of poultry products in order to dilute Salmonella as much as possible.
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