New Animal Drugs for Use in Animal Feeds; Chlortetracycline

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The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a supplemental new animal drug application (NADA) filed by Alpharma, Inc. The supplemental NADA provides for the administration of Type C medicated feeds containing chlortetracycline to cattle as a top dress on feed for the treatment of enteritis and pneumonia.