Regulations last checked for updates: Nov 22, 2024

Title 21 - Food and Drugs last revised: Nov 21, 2024
§ 558.235 - Efrotomycin.

(a) Specifications. Type A medicated articles containing 14.5 grams efrotomycin per pound.

(b) Sponsor. See No. 000010 in § 510.600(c) of this chapter.

(c) Related tolerances. See § 556.224 of this chapter.

(d) Conditions of use in swine

Efrotomycin
in grams/ton
Indications for use Limitations Sponsor
(1) 3.6Swine: For improved feed efficiencyFeed continuously as sole ration. Not to be used in swine weighing more than 250 pounds000010
(2) 3.6 to 14.5Swine: For increased rate of weight gainFeed continuously as sole ration. Not to be used in swine weighing more than 250 pounds000010
[57 FR 38442, Aug. 25, 1992, as amended at 62 FR 63271, Nov. 28, 1997; 84 FR 33001, July 11, 2019; 84 FR 39185, Aug. 9, 2019; 85 FR 45309, July 28, 2020]
source: 40 FR 13959, Mar. 27, 1975, unless otherwise noted.
cite as: 21 CFR 558.235