CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS (parts 500 to 590) > PART 558—NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS > SUBPART B—Specific New Animal Drugs for Use in Animal Feeds (§558.55 to §558.680) > 558.62—Arsanilic acid.

558.62—Arsanilic acid.

(a) Approvals. Type A medicated articles to sponsors in § 510.600(c) of this chapter as follows:
(1) To 015565: 20, 50, and 100 percent for use as in the table in paragraph (c)(1), entry (ii), item 1; entry (ii), item 2; entry (iv); entry (vi); and entry (vii) of this section.
(2) To 015565: 20 percent for use as in paragraph (c)(1), entry (i); entry (ii), item 3 of this section.
(3) To 061133: 90 grams per pound arsanilic acid and 4.6 grams per pound erythromycin equivalents as erythromycin thiocyanate for use as in paragraph (c)(1), entry (iii); 90 grams per pound arsanilic acid and 9.25 grams per pound erythromycin equivalents as erythromycin thiocyanate for use as in paragraph (c)(1), entry (v).
(b) Related tolerances. See § 556.60 of this chapter.
(c) Conditions of use. (1) It is used as follows:
Arsanilic acid in grams per ton Combination in grams per ton Indications for use Limitations Sponsor
(i) 45 to 90 1. Growing chickens: For growth promotion and feed efficiency; improving pigmentation Withdraw 5 days before slaughter; as sole source of organic arsenic 015565
2. Growing turkeys: For growth promotion and feed efficiency; improving pigmentation .......do 015565
3. Growing swine: For increased rate of weight gain and improved feed efficiency .......do 015565
(ii) 90 Swine: As an aid in control of swine dysentery (hemorrhagic enteritis, bloody dysentery) .......do 015565
(iii) Erythromycin 4.6 Chickens; growth promotion and feed efficiency; improving pigmentation. As erythromycin thiocyanate; withdraw 5 days before slaughter; as sole source of organic arsenic. 012487
(iv) Erythromycin 4.6 to 18.5 Chickens; growth promotion and feed efficiency; improving pigmentation As erythromycin thiocyanate; withdraw 5 days before slaughter; as sole source of organic arsenic 15565
(v) Erythromycin 9.25 Chickens; growth promotion and feed efficiency; improving pigmentation. As erythromycin thiocyanate; withdraw 5 days before slaughter; as sole source of organic arsenic. 012487
(vi) Erythromycin 92.5 1. Chickens; as an aid in the prevention of chronic respiratory disease during periods of stress; growth promotion and feed efficiency; improving pigmentation As erythromycin thiocyanate; feed for 2 days before stress and 3 to 6 days after stress; withdraw 5 days before slaughter; as sole source of organic arsenic 015565
2. Chickens; as an aid in the prevention of infectious coryza; growth promotion and feed efficiency; improving pigmentation As erythromycin thiocyanate; feed for 7 to 14 days; withdraw 5 days before slaughter; as sole source of organic arsenic 015565
Code of Federal Regulations 407
(vii) Erythromycin 185 Chickens; as an aid in the prevention and reduction of lesions and in lowering severity of chronic respiratory disease; growth promotion and feed efficiency; improving pigmentation As erythromycin thiocyanate; feed for 5 to 8 days; do not use in birds producing eggs for food purposes; withdraw 5 days before slaughter; as sole source of organic arsenic 15565
(2) Arsanilic acid may be used in accordance with the provisions of this section in the combinations provided as follows:
(i) Amprolium in accordance with § 558.55.
(ii) Amprolium and ethopabate in accordance with § 558.58.
(iii) Bacitracin zinc in accordance with § 558.78.
(iv) Bacitracin and zoalene in accordance with § 558.680.
(v) Zoalene in accordance with § 558.680.

Code of Federal Regulations

[41 FR 10992, Mar. 15, 1976, as amended at 42 FR 18617, Apr. 8, 1977; 51 FR 7395, Mar. 3, 1986; 51 FR 33897, Sept. 24, 1986; 54 FR 18281, Apr. 28, 1989; 56 FR 19268, Apr. 26, 1991; 60 FR 39847, Aug. 4, 1995; 66 FR 14074, Mar. 9, 2001; 66 FR 57873, Nov. 19, 2001]