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
In accordance with ISO 15213-1:2023, “ASR bacteria” is used if no confirmation step of characteristic colonies is carried out. If characteristic colonies are confirmed, the “Clostridium spp. sulfito-reducing agents” term is then applied.
- We draw your attention to the fact that we don’t contaminate our samples with collection strains but with strains isolated from dairy food matrices. Therefore, it is possible that some of them present unexpected phenotypic characteristics on some culture media.
→ detection of Listeria♦ and Salmonella♦
→ enumeration of coagulase positive staphylococci♦, Escherichia coli♦ and Bacillus cereus♦
free choice for methods
→ 5 samples for the detection of:
- Listeria in 25 ml of milk and identification of the species, included Listeria monocytogenes
- Salmonella in 25 ml of milk
→ 5 samples containing between about:
- 0 and 10 000 coagulase positive staphylococci/ml
- 0 and 100 000 Escherichia coli/ml
→ 5 samples containing between about:
- 0 and 30 000 Bacillus cereus (without thermisation)/ml
→ 1 vial of water to control the temperature of the samples at reception
- five 60 ml screw-capped vials for the detection of Listeria and Salmonella
- five 30 ml screw-capped vials with airtight seals, for the enumeration of Staphylococci and Escherichia coli
- five 30 ml screw-capped vials with airtight seals, for the enumeration of Bacillus cereus
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.
in IATA certified secondary packaging (biohazard), in insulated box with ice packs by express carrier (see regulation for shipping times)
at 3 (± 2) °C
analyses must be carried out within 3 days after the date of dispatch
| Sample dispatch | 2025/02/04 | 2025/10/07 |
| Return of results to ACTALIA Cecalait | 2025/02/18 | 2025/10/21 |
Subscription at least 10 days before each dispatch
| Members | Non-members | |
|---|---|---|
| Registration fees per shipment | 74.09 € | 111.1 € |
| Participation fee per tested method | 74.09 € | 111.1 € |
within 1 month of receiving invoice
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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
Accreditation no 1-5577, tests, no 1-2473 interlaboratory comparisons, scope available on www.cofrac.fr/en
