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Thermo Scientific™ Oxoid Defibrinated Sheep Blood is a blood product.

**This product is not available at the moment.

Oxoid Azide Blood Agar Base is a selective media for the detection and isolation of streptococci and staphylococci from feces, sewage and other specimens.

Azide Blood Agar Base, Oxoid Composition

Azide Blood Agar Base Oxoid Preparation:
Suspend 30g in 1 litre of distilled water and bring to the boil to dissolve completely. Sterilise by autoclaving at 121°C for 15 minutes. For azide blood agar, cool to 45-50°C and add 5% of sterile blood.

Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store prepared blood agar plates of medium at 2-8°C.

Precautions
Proteus and Escherichia species may not always be inhibited on the Edward’s formulation.
Always use a light inoculum for best selective results.
Anaerobic incubation will enhance haemolytic reactions.
Haemolytic reactions will not be typical on Packer’s modification of Azide Blood Agar Base. Streptococcus lactis will not grow on Packer’s modification with 5% sheep blood.
Read the section on Hazard Precautions for azide-containing media.

Oxoid Bile Salts is a standardized ox-bile extract used as a selective inhibitory agent in culture media.

• Oxoid Listeria Enrichment Broth Base (UVM Formulation) is a two-step selective enrichment (USDA-FSIS) method.
• Also available Listeria Primary Enrichment Supplement-UVM I, Part No. SR0142E or SR0142B and Listeria Secondary Selective Enrichment Supplement-UVM II, Part No. SR0143E.
  Listeria Enrichment Broth Base (UVM formulation) is to be used with the appropriate supplement for UVMI broth or UVMII broth.

Listeria Enrichment Broth Base (UVM formulation), Oxoid Composition

Listeria Enrichment Broth, Oxoid Preparation:
Suspend 27.2g in 500ml of distilled water. Sterilise by autoclaving at 121°C for 15 minutes. Cool to 50°C.

To Prepare Listeria Primary Selective Enrichment Medium (UVM I):
Aseptically add the contents of 1 vial of Listeria Primary Selective Enrichment Supplement (UVM I) SR0142 reconsituted as directed. Mix well and distribute into sterile containers.

To Prepare Listeria Secondary Selective Enrichment Medium (UVM II):
Aseptically add the contents of 1 vial of Listeria Secondary Selective Enrichment Supplement (UVM II) SR0143 reconsituted as directed. Mix well and distribute into sterile containers.

Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at 2-8°C.

Precautions
Note the precautions stated under Listeria Selective Medium (Oxford) CM0856 and SR0140.
Broth cultures are more dangerous than colonies on agar plates.
Store prepared medium away from light. Acriflavine can photo-oxidise to form inhibitory compounds against listeriae.

Oxoid Bacillus Cereus Selective Supplement (Polymyxin B Supplement) is supplied 50,000 IU/Vial for inhibition of Gram-negative bacteria.

• May be added to Bacillus cereus Selective Agar Base, Part No. CM0617B and MYP Agar Base, Part No. CM0929B
• Each vial supplements 500mL of medium

Bacillus Cereus Selective Supplement (Polymyxin B Supplement), Oxoid Composition

Bacillus Cereus Selective Supplement (Polymyxin B Supplement), Oxoid Preparation:
Reconstitute as directed in the product instructions for use. Aseptically, add one vial to 500ml of liquid or molten base medium, which is below 50°C. Mix well, and dispense into appropriate, sterile containers.

Storage conditions and Shelf life
Polymixin B Supplement at 2-8°C and use before the expiry date on the label.