The following release was posted on the American Association of Feed Control Officials (AAFCO) web site.

During the AAFCO Annual Meeting in August 2002, the Enforcement Strategy for Marketed Ingredients (ESMI) Working Group announced the target ingredient recommended for a future regulatory enforcement event. The target ingredient, comfrey, has been shown to be a health and safety concern for animals and humans, prompting regulatory action by the United States, Canada, and Germany. Comfrey does not meet any of the recognized criteria for use as an animal feed ingredient or animal feed