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Baird-Parker medium

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    Agar for isolation and counting of coagulase-positive staphylococcus (Staphylococcus aureus) in foodstuff. Consists of tryptone, beef extract, yeast extract, sodium pyruvate, glycine, and lithium chloride·6H2O. Baird-Parker introduced this complex medium in 1962 to overcome the problems of recovering damaged Staphylococcus aureus from foodstuffs. The medium is highly selective due to potassium tellurite and lithium chloride.


    • A. C. Baird-Parker:
      An improved diagnostic and selective medium for isolating coagulase positive staphylococci.
      Journal of Applied Bacteriology, Oxford, 1962, 25(1): 12–19.
    • A. C. Baird-Parker and E. Davenport:
      The effect of Recovery medium on the isolation of Staph. aureus after heat treatment and after storage of frozen or dried cells.
      Journal of Applied Bacteriology, Oxford, 1965, 28: 390–402.
    • R. Ten Broeke:
      The Staphylococcus medium of Baird-Parker in practical use. The occurrence of coagulase-positive, egg yolk non-clearing staphylococci.
      Antonie van Leeuwenhoek, 1976, 33: 220–236.
    • B. A. Smith and A. C. Baird-Parker:
      The use of sulphamethazine for inhibiting Proteus spp. on Baird-Parker's isolation medium for Staphylococcus aureus.
      Journal of Applied Bacteriology, Oxford, 1964, 27(1): 78-82.
    • A. C. Baird-Parker:
      The staphylococci: An introduction.
      J. Appl. bacterial Symp. 1990. Suppl. 15-85.

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