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U.S. Department of Health and Human Services

Animal & Veterinary

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FDA Veterinarian Newsletter March/April 1998 Volume XIII, No II

In the December 30, 1997 Federal Register, FDA published a notice stating that the Agency is withdrawing approval of a new animal drug application (NADA 100-903) which provided for use for chlortetracycline Type A medicated articles to make Type B or Type C medicated feeds. This NADA was held by Hoffman-La Roche, Inc. The sponsor requested the withdrawal of approval because the product is no longer being manufactured or marketed