Total flora in raw milk♦ - 2025

Proficiency testing

Home Proficiency testing Microbiology - Total flora in raw milk♦ - 2025

Introduction

The proficiency testings and criteria marked with an are covered by the « accréditation n° 1-2473, comparaisons interlaboratoires, portée disponible sur www.cofrac.fr »/« n° 1-2473 accreditation, interlaboratory comparisons, scope available on www.cofrac.fr », and detailed flexible scope available there


Methods / Analytes

microorganisms at 30 °C, coliforms at 30 °C and enterobacteria

free choice for methods


Number of samples

→ 10 samples containing between about:
- 10 000 and 300 000 CFU/ml
- 0 and 50 000 coliforms/ml
- 0 and 50 000 enterobacteria/ml

→ 1 vial of water to control the temperature of the samples at reception


Packaging

30 ml screw-capped vials with airtight seals


Preservation

storage at 3 (± 2) °C, with a bacteriostatic mixture preventing any bacterial growth in the milk, but rendered inactive upon dilution

CAUTION no bacterial growth occurs in the undiluted sample with ready-to-use rehydratable medium (because of the bacteriostatic mixture). It is unnecessary to inoculate this undiluted sample


Dispatch

in insulated box with ice packs by express carrier (see regulation for shipping times)


Storage in the laboratory

at 3 (±2) °C


Validity of the samples

analyses must be carried out within 3 days after the date of dispatch


Calendar of dispatch :

 

Sample dispatch 2025/01/21 2025/03/04 2025/04/15 2025/06/03 2025/09/02 2025/12/02
Return of results to ACTALIA Cecalait 2025/01/31 2025/03/14 2025/04/25 2025/06/13 2025/09/12 2025/12/12

Subscription at least 10 days before each dispatch

Rates

Members Non-members
Registration fees per shipment 74.09 € 111.1 €
Participation fee per tested method 74.09 € 111.1 €


Special conditions :

  • For groups from 10 to 24 participating laboratories: 10 % discount,
  • For groups from 25 participating laboratories: 15 % discount

Payment conditions :

within 1 month of receiving invoice

Formulas

  • Enumeration of microorganisms at 30°C
  • Enumeration of coliforms at 30°C
  • Enumeration of Enterobacteriaceae




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Contact us

ACTALIA Cecalait

Rue de Versailles
BP 70129
39801 POLIGNY CEDEX
FRANCE

Tel : +33 (0)3 84 73 63 20
Fax : +33 (0)3 84 73 63 29

cecalait[at]actalia.eu

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