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AMS Toughens Rule on Methionine Use in Organic Poultry

The Agricultural Marketing Service issued a final rule amending the National List of Allowed and Prohibited Substances to revise, effective Oct. 2, the entry allowing use of methionine in organic production. The final rule revises the entry to reduce the…

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maximum levels of synthetic methionine allowed in organic poultry production. The changes permit the use of synthetic methionine at the following maximum levels per ton of feed after Oct. 1, 2012: laying and broiler chickens -- 2 pounds; turkeys and all other poultry -- 3 pounds. AMS also corrected the Chemical Abstracts Service (CAS) numbers for the allowable forms of synthetic methionine.