New Animal Drugs for Use in Animal Feeds; Semduramicin with Bacitracin Methylene Disalicylate

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The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a new animal drug application (NADA) filed by Pfizer, Inc. The NADA provides for using approved single ingredient Type A medicated articles to make combination drug Type C medicated broiler chicken feeds containing semduramicin with bacitracin methylene disalicylate. The Type C medicated feed is used for prevention of coccidiosis and for improved feed efficiency.