[Code of Federal Regulations] [Title 21, Volume 6] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR558.198] [Page 398-400] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 558--NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS--Table of Contents Subpart B--Specific New Animal Drugs for Use in Animal Feeds Sec. 558.198 Diclazuril. (a) Approvals. Type A medicated article: 0.2 percent of diclazuril to 000061 in Sec. 510.600(c) of this chapter. (b) Related tolerances. See Sec. 556.175 of this chapter. (c) [Reserved] (d) Conditions of use. (1) It is used in Type C feed as follows: [[Page 399]] ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Diclazuril grams/ton Combination grams/ton Indications for use Limitations Sponsor ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ (i) 0.91 (1 part per million Broiler chickens: For the prevention of coccidiosis caused Feed continuously. Not for use in hens 000061 (ppm)) by Eimeria tenella, E. necatrix, E. acervulina, E. producing eggs for human food. brunetti, E. mitis (mivati), and E. maxima. Because diclazuril is effective against E. maxima later in its life cycle, subclinical intestinal lesions may be present for a short time after infection. Diclazuril was shown in studies to reduce lesion scores and improve performance and health of birds challenged with E. maxima. (ii) 0.91 (1 ppm) Bacitracin methylene disalicylate Broiler chickens: As in item (i) of this table; for As in item (i) of this table. 000061 4 to 50 increased rate of weight gain and improved feed Bacitracin methylene disalicylate efficiency. provided by 046573. (iii) 0.91 (1 ppm) Bambermycins 1 to 2 Broiler chickens: As in item (i) of this table); for As in item (i) of this table. 000061 increased rate of weight gain and improved feed Bambermycins provided by 012799. efficiency. (iv) 0.91 (1 ppm) Virginiamycin 5 Broiler chickens: As in item (i) of this table; for As in item (i) of this table; 000061 increased rate of weight gain and improved feed Virginiamycin provided by 000069. efficiency. (v) 0.91 (1 ppm) Virginiamycin 5 to 15 Broiler chickens: As in item (i) of this table; for As in item (i) of this table. 000061 increased rate of weight gain. Virginiamycin provided by 000069. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ [[Page 400]] (2) [Reserved] [64 FR 35923, July 2, 1999, as amended at 65 FR 50134, Aug. 17, 2000]