As of 15 May 2020, UCANR will be retiring its Learning Management System servers, which were used by ANR Online Learning ( and the Postharvest Produce Professional Certificate Program (

Most of the classes on these systems have been migrated to other services; we will try to provide links to those courses here.

For the popular FD252:Food Allergens course, this one provided by the FDA may be an acceptable substitute:

If we do not list the course here, please try searching the following online course catalogs:

ANR Online Learning classes

Integrated Pest Management classes

Postharvest classes