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Oral Dosage Form New Animal Drugs; Chlortetracycline Powder

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Information about this document as published in the Federal Register.

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Food and Drug Administration, HHS.


Final rule.


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 Pennfield Oil Co. The supplemental NADA provides for a revised withdrawal time for use of chlortetracycline (CTC) powder in swine drinking water.


This rule is effective February 29, 2000.

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Dianne T. McRae, Center for Veterinary Medicine (HFV-102), Food and Drug Administration, 7500 Standish Pl., Rockville, MD 20855, 301-827-0212.

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Pennfield Oil Co., 14040 Industrial Rd., Omaha, NE 68144, is sponsor of NADA 65-480 that provides for use of CTC hydrochloride soluble powder for making medicated drinking water for swine and cattle for treatment and control of bacterial enteritis and bacterial pneumonia. The firm filed a supplemental NADA that provides for a zero-day slaughter withdrawal period after use of the product for treatment Start Printed Page 10706and control of disease in swine. The supplemental NADA is approved as of December 22, 1999, and 21 CFR 520.445b(d)(1)(i)(A)(2) is amended to reflect the approval.

In accordance with the freedom of information provisions of 21 CFR part 20 and 514.11(e)(2)(ii), a summary of data and information submitted to support approval of this application may be seen in the Dockets Management Branch (HFA-305), Food and Drug Administration, 5630 Fishers Lane, rm. 1061, Rockville, MD 20852, between 9 a.m. and 4 p.m., Monday through Friday.

FDA has determined under 21 CFR 25.33(a)(1) that this action is of a type that does not individually or cumulatively have a significant effect on the human environment. Therefore, neither an environmental assessment nor an environmental impact statement is required.

This rule does not meet the definition of “rule” in 5 U.S.C. 804(3)(A) because it is a rule of “particular applicability.” Therefore, it is not subject to congressional review requirements in 5 U.S.C. 801-808.

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List of Subjects in 21 CFR Part 520

  • Animal drugs
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Therefore, under the Federal Food, Drug, and Cosmetic Act and under authority delegated to the Commissioner of Food and Drugs and redelegated to the Center for Veterinary Medicine, 21 CFR part 520 is amended as follows:

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1. The authority citation for 21 CFR part 520 continues to read as follows:

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Authority: 21 U.S.C. 360b.

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2. Section 520.445b Chlortetracycline powder (chlortetracycline hydrochloride or chlortetracycline bisulfate) is amended in paragraph (d)(1)(i)(A)(2) by removing the phrase “; do not slaughter animals for food within 5 days of treatment”.

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Dated: January 28, 2000.

Claire M. Lathers,

Director, Office of New Animal Drug Evaluation, Center for Veterinary Medicine.

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[FR Doc. 00-4731 Filed 2-28-00; 8:45 am]