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Industry · Solutions

Microbiology testing for dairy producers.

Milk is an ideal growth medium, so dairy quality depends on catching contamination early, from raw milk intake to the filled pack. We supply the culture media, ready-to-use plates and hygiene monitoring that dairy QC teams run every day.

  • Listeria and coliforms
  • Raw milk to finished product
  • ISO · AOAC

Your testing reality

Dairy plants handle a raw material that supports bacterial growth from the moment it leaves the animal. Raw milk quality sets the starting point, pasteurisation and processing have to bring counts down reliably, and post-process contamination from fillers, pipework and cold rooms decides whether the product reaches the end of its shelf life.

Listeria is the organism that shapes most dairy environmental programmes. It survives refrigeration, settles in drains and wet areas, and can reach soft cheese, yoghurt and desserts after heat treatment. Coliforms and Enterobacteriaceae show whether hygiene is under control, and yeasts and moulds are the usual cause of spoilage in cultured products.

Because milk residue is cooked onto surfaces during processing, hygiene checks need to see the breakdown products of ATP as well as ATP itself. That is where A3 hygiene monitoring earns its place alongside the micro lab.

  1. Listeria after heat treatment

    Post-process contamination is the main Listeria risk in dairy, so environmental monitoring matters as much as product testing.

  2. Short shelf life

    Fresh dairy products ship within days. Results that arrive after dispatch protect nobody.

  3. Cleaning that can be shown

    Auditors and retail customers expect CIP and surface cleaning to be verified and recorded, not assumed.

What to test for

The core dairy panel: pathogens for safety, indicators for hygiene and shelf life.

The core panelPathogens for safety · indicators for control
  1. Listeriapathogen
  2. Staphylococcus aureuspathogen
  3. Escherichia colipathogen
  4. Bacillus cereuspathogen
  5. Salmonellapathogen
  6. Coliformindicator
  7. Enterobacteriaceaeindicator
  8. Total Microbial Countindicator
  9. Yeast and Mouldindicator

Methods for your operation

Most dairy QC programmes combine three approaches.

  1. Traditional · ISOFor reference results

    Plate count, coliform and Listeria media to recognised methods, for release testing and results that have to stand up to challenge.

  2. RapidFor daily control

    Ready-to-use plates for routine counts, and A3 hygiene monitoring to check surfaces before production restarts.

  3. Molecular · ELISAFor fast screening

    Listeria screening in hours rather than days, where a positive environmental swab needs a quick answer.

Products for dairy

A representative selection across the core panel. The full range is available in the catalogue.

BACILLUS CEREUS Agar BASE (MOSSEL) (500 g)
TraditionalREF 610114

Liofilchem

Bacillus cereus agar base (mossel) (500 g)

Bacillus cereus

500 gISO 7932:2004

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RapidREF 4323410205

Gold Standard Diagnostics

Bacspec listeria elisa test kit (5x96well plate)

Listeria

480 reactionsISO 11290

AFNOR / NF VALIDATION · AOAC PTM

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BAIRD PARKER Agar BASE (500 g)
TraditionalREF 610004

Liofilchem

Baird parker agar base (500 g)

Staphylococcus aureus

500 gISO 6888-3:2003

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Compact Dry (EC) Ecoli/coliform Bacterial count
TraditionalREF 51420

Shimadzu

Compact dry (ec) ecoli/coliform bacterial count

Escherichia coliColiformOthers

40, 240 or 1400 plates per boxAOAC 966.24

AOAC PTM · MicroVal

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Compact Dry - Listeria monocytogene bacterial count
TraditionalREF 51421

Shimadzu

Compact dry - listeria monocytogene bacterial count

ListeriaOthers

40, 240 or 1400 plates per boxISO 11290-1:2017

MicroVal

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Compact Dry BC
TraditionalREF HS9721

Shimadzu

Compact dry bc

Bacillus cereus

40, 240 or 1400 plates per boxISO 7932:2004

AOAC PTM

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Easy Plate Aerobic Count (100T/BOX)
TraditionalREF 22061973

Kikkoman Biochemifa

Easy plate aerobic count (100t/box)

Total Microbial CountOthers

100 tests (25 tests x 4 bags)

AOAC PTM · MicroVal

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Easy Plate Coliform Count(100T/BOX)
TraditionalREF 22061974

Kikkoman Biochemifa

Easy plate coliform count(100t/box)

ColiformOthers

100 tests (25 tests x 4 bags)

AOAC PTM · MicroVal

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Results that
withstand scrutiny.

Every product is supplied against recognised methods and validation — culture media according to ISO methods, rapid media plates with AOAC certifications, and world renowned reference materials with documented traceability — dispatched by an SFDA-licensed company. Suitable for use in ISO/IEC 17025 accredited laboratories.

  1. Laboratory-ready traceability

    Suitable for ISO/IEC 17025 accredited workflows.

  2. Independent method validation

    AOAC-certified rapid media plates for routine testing.

  3. Licensed Saudi supply

    Products dispatched through an SFDA-licensed company.

Sourced from the brands your methods are built on.

Japan
Italy
Italy · Germany · Hungary · US
UK

Building or upgrading your testing programme?

Tell us your product lines and the organisms you're required to test — we'll recommend methods and respond with pricing, availability and lead time.