Rolnictwo i żywność · 24/08/2010
USDA Amends National List of Allowed and Prohibited Substances for Organic Livestock Production
The US Department of Agriculture (USDA) has issued an interim rule to revise the National List of Allowed and Prohibited Substances, incorporating a recommendation from the National Organic Standards Board (NOSB) to extend the use of synthetic methionine in organic poultry production until October 1, 2012, with specific maximum levels allowed per ton of feed.