Campy Cefex Agar

Campy Cefex Agar is used for the selective isolation of Campylobacter spp. in a laboratory setting. Campy Cefex Agar is not intended for use in the diagnosis of disease or other conditions in humans.

Poultry is a primary reservoir of Campylobacter spp. and may cause contamination of more than 80% of chicken carcasses. Campy Cefex Agar is described by Stern et al. This medium was formulated to provide selective isolation of cephalothin-resistant Campylobacter spp. such as C. jejuni and C. coli.


Formula Liter
Enzymatic Digest of Casein 10 g
Enzymatic Digest of Animal tissue 10 g
Sodium Chloride 5 g
Yeast Extract 2 g
Dextrose 1 g
Sodium Pyruvate 0.5 g
Ferrous Sulfate 0.5 g
Sodium Bisulfite 0.3 g
Cycloheximide 0.2 g
Agar 15 g

Final pH: 7.0 ± 0.2 at 25°C
Formula may be adjusted and/or supplemented as required to meet performance specifications.


Cefoperazone, 0.033 g
Sterile laked horse blood, 5%


  1. Dissolve 44.4 g of the medium in one liter of purified water.
  2. Heat with frequent agitation and boil for one minute to completely dissolve the medium.
  3. Autoclave at 121°C for 15 minutes.
  4. Cool medium to 50°C and aseptically add 10 mL of a filtered sterilized solution containing 0.033 g of Cefoperazone and 5% of sterile laked horse blood.
  5. Mix well and pour into Petri dishes.

Order Details

Product # Product Description
7718A Campy Cefex Agar, 500 g
7718T Campy Cefex Agar, 5 kg