Oral Dosage Form New Animal Drugs; Phenylbutazone Powder

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The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of an abbreviated new animal drug application (ANADA) filed by A & G Pharmaceuticals, Inc. The ANADA provides for the veterinary prescription use of phenylbutazone powder administered to horses in feed for the relief of inflammatory conditions associated with the musculoskeletal system.