CFR

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.

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]

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