Equipment and Materials

A.

  1. Same basic equipment as for conventional plate count (Chapter 3).
  2. Drying cabinet or incubator for drying surface of agar plates 3. Sterile bent glass streaking rods, hockey stick or hoe-shaped, with fire-polished ends, 3-4 mm diameter, 15-20 cm long, with an angled spreading surface 45-55 mm long

Media and Reagents

B.

  1. Baird-Parker medium (M17)
  2. Trypticase (tryptic) soy agar (TSA) (M152)
  3. Brain heart infusion (BHI) broth (M24)
  4. Coagulase plasma (rabbit) with EDTA
  5. Toluidine blue-DNA agar (M148)
  6. Lysostaphin (Schwartz-Mann, Mountain View Ave., Orangeburg, NY 10962)
  7. Tryptone yeast extract agar (M165)
  8. Paraffin oil, sterile
  9. 0.02 M phosphate-saline buffer (R61), containing 1% NaCl
  10. Catalase test (R12)