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Quality Assurance Unit - Scheme Details

PT Number
Scheme title
Mycobacterium avium subsp. paratuberculosis (Johnes) - Culture
Suitable testing methods
Reporting format
Positive or negative for bacteria typical of Mycobacterium avium subsp. paratuberculosis. Authorised report will be published electronically. This will show intended results and results from all participants.
Results to be returned within
22 weeks
Number of samples in each distribution
Sample Type
Freeze dried faeces in glass vial. Faeces are pooled samples. Panel will consist of both positive and negative samples. Freeze dried samples should be re-suspended in 2 mL sterile dH2O.
Packaging and transport details
UN3373 – Biological substance category B. Courier delivery required which will incur additional charges. Please contact the QA unit for further details
Number of distributions per year
Various aspects of the Proficiency testing schemes may at times be subcontracted. When this occurs it is placed with a competent subcontractor and the QA Unit is responsible to the scheme participants for the subcontractors work.
Accreditation Status
Not accredited
Date scheme started
Due to the extensive incubation period required for some test methods the timescales by when to report results is 154 days from issue.
PT0154 Mycobacterium avium subsp. paratuberculosis (Johnes) – PCR is a similar scheme with a shorter timescale of 21 days for reporting results applicable for laboratories testing by PCR.
For price and detail of distribution months please see price list or contact:
Back to PT Schemes Prices & Timetable | Print scheme details | Version 6. March 2020