Abstract
The consumption of raw or undercooked Trichinella infected meat, especially pork and horse meat, can have important implications for public health. Therefore each animal carcass from a Trichinella susceptible species intended for human consumption must be examined for Trichinella. Laboratories carrying out testing of official control samples must undergo a quality assurance program and should regularly participate in proficiency testing schemes. To date, Trichinella proficiency samples are prepared with live larvae, which, as a level 2 pathogen, require specific shipping and disinfection procedures. Therefore, the suitability of using inactivated Trichinella larvae as proficiency samples was tested. We found that Trichinella larvae treated with 2% formaldehyde for 24h had lost their infectivity and showed a comparable recovery rate to naïve larvae after artificial digestion, albeit with a prolonged sedimentation time.
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