The agency’s action came in response to a joint letter submitted May 14 by the American Feed Industry Association and the National Grain and Feed Association. The organizations requested that FDA re-examine and update its DON advisory levels, which last were amended in September 1993, to reflect more recent scientific studies that demonstrated that higher levels of DON could be fed to certain species while still fully protecting human and animal health. In the joint letter, AFIA and NGFA also noted that improved logistics, monitoring and assessment methodologies had enabled the grain production and marketing system to better assess and appropriately manage mycotoxins. 

– From FDA release