Rules and Regulations. Final rule

826 words·~4 min read·/register/2010/09/03/2010-22071·

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BILLING CODE 4160-01-S DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration 21 CFR Part 558 [Docket No. FDA-2010-N-0002] New Animal Drugs for Use in Animal Feed; Ractopamine AGENCY: Food and Drug Administration, HHS. ACTION: Final rule. SUMMARY: The Food and Drug Administration

(FDA)is amending the animal drug regulations to reflect approval of two supplemental new animal drug applications (NADAs) filed by Elanco Animal Health, A Division of Eli Lilly & Co. The supplemental NADAs provide for administering a Type C medicated feed containing ractopamine hydrochloride as a top dress on Type C medicated feeds containing monensin, USP, or monensin, USP, and tylosin phosphate to cattle fed in confinement for slaughter. DATES: This rule is effective September 3, 2010. FOR FURTHER INFORMATION CONTACT: Suzanne J. Sechen, Center for Veterinary Medicine (HFV-126), Food and Drug Administration, 7500 Standish Pl., Rockville, MD 20855, 240-276-8105, e-mail: *suzanne.sechen@fda.hhs.gov.* SUPPLEMENTARY INFORMATION: Elanco Animal Health, A Division of Eli Lilly & Co., Lilly Corporate Center, Indianapolis, IN 46285, filed a supplement to NADA 141-225 that provides for use of OPTAFLEXX (ractopamine hydrochloride) and RUMENSIN (monensin, USP) Type A medicated articles to formulate two-way combination drug Type C medicated feeds for cattle fed in confinement for slaughter. Elanco Animal Health also filed a supplement to NADA 141-224 that provides for use of OPTAFLEXX (ractopamine hydrochloride), RUMENSIN (monensin, USP), and TYLAN (tylosin phosphate) Type A medicated articles to formulate three-way combination drug Type C medicated feeds for cattle fed in confinement for slaughter. The supplemental NADAs provide for administering ractopamine hydrochloride Type C medicated feeds as a top dress on Type C medicated feeds containing monensin, USP, or monensin, USP, and tylosin phosphate to cattle fed in confinement for slaughter as the means by which the two-way or three-way combinations will be created. Supplemental NADA 141-224 is approved as of June 7, 2010; supplemental NADA 141-225 is approved as of June 17, 2010; and the regulations in 21 CFR 558.500 are amended to reflect the approvals. In accordance with the freedom of information provisions of 21 CFR part 20 and 21 CFR 514.11(e)(2)(ii), a summaries of safety and effectiveness data and information submitted to support approval of these applications may be seen in the Division of Dockets Management (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. The agency has determined under 21 CFR 25.33 that these actions are of a type that do 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 the congressional review requirements in 5 U.S.C. 801-808. List of Subjects in 21 CFR Part 558 Animal drugs, Animal feeds. Therefore, under the Federal Food, Drug, and Cosmetic Act and under the authority delegated to the Commissioner of Food and Drugs and redelegated to the Center for Veterinary Medicine, 21 CFR part 558 is amended as follows: PART 558—NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS 1. The authority citation for 21 CFR part 558 continues to read as follows: Authority: 21 U.S.C. 360b, 371. 2. In § 558.500, add paragraphs (e)(2)(xii) and (e)(2)(xiii) to read as follows: § 558.500 Ractopamine.

(e)* * *

(2)* * * Ractopamine in grams/ton Combination in grams/ton Indications for use Limitations Sponsor * * * * * * *

(xii)Not to exceed 800; to provide 70 to 400 mg/head/day Monensin 10 to 40 to provide 0.14 to 0.42 mg monensin/lb of body weight, depending on severity of coccidiosis challenge, up to 480 mg/head/day. Cattle fed in confinement for slaughter: As in paragraph (e)(2)(i) of this section; for prevention and control of coccidiosis due to *Eimeria bovis* and *E. zuernii* . Top dress ractopamine in a minimum of 1.0 lb of medicated feed during the last 28 to 42 days on feed. Not for animals intended for breeding. See § 558.355(d). 000986

(xiii)Not to exceed 800; to provide 70 to 400 mg/head/day Monensin 10 to 40 to provide 0.14 to 0.42 mg monensin/lb of body weight, depending on severity of coccidiosis challenge, up to 480 mg/head/day, plus tylosin 8 to 10. Cattle fed in confinement for slaughter: As in paragraph (e)(2)(i) of this section; for prevention and control of coccidiosis due to *Eimeria bovis* and *E. zuernii* ; and for reduction of incidence of liver abscesses caused by *Fusobacterium necrophorum* and *Arcanobacterium* ( *Actinomyces* ) *pyogenes* . Top dress ractopamine in a minimum of 1.0 lb of medicated feed during the last 28 to 42 days on feed. Not for animals intended for breeding. See §§ 558.355(d) and 558.625(c). 000986 Dated: August 31, 2010. Elizabeth Rettie, Deputy Director, Office of New Animal Drug Evaluation, Center for Veterinary Medicine. [FR Doc. 2010-22071 Filed 9-2-10; 8:45 am]

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