Validation of the SNAP ST for rapid screening for ß-lactam antibiotics in milk

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    Abstract

    The SNAP was modified to SNAP ST (Idexx Laboratories Inc., Westbrook, ME), a new 7-8 minute test which no longer requires the use of an incubator. This new test was validated at ILVO-T&V according to Commission Decision 2002/657/EC and the CRL Guidelines for the Validation of Screening Methods (Anon., 2010).
    The SNAP ST is very specific as an interference was only caused by clavulanic acid, a ß-lactamase inhibitor. The repeatability of the reader and the test were very good. The SNAP ST detects all ß-lactams with a MRL in milk at their respective MRL except for desacetylcephapirin and cefalexin. The test is robust for changes in the test protocol or differences in milk composition. Also goats’, ewes’ and mares’ milk could be screened by SNAP ST.
    The SNAP ST is a fast, simple and very reliable test for the screening of tanker milk on the presence of ß-lactam residues.
    Original languageDutch
    Title of host publicationResidues of veterinary drugs in food : Proceedings of the EuroResidue VII Conference, Egmond aan Zee, The Netherlands, 14-16 May 2012
    EditorsRobert Schilt
    Number of pages5
    Volume2
    Publication date2012
    Pages551-555
    ISBN (Print)978-94-6173-318-4
    Publication statusPublished - 2012
    EventEuroResidue VII Conference on Residues of Veterinary Drugs in Food - Egmond aan Zee, Egmond aan Zee, Netherlands
    Duration: 14-May-201216-May-2012

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