§558.274. Hygromycin B.
21 C.F.R. § 558.274
Specifications. Type A medicated articles containing 2.4 or 8 grams hygromycin B per pound (g/lb).
Sponsor. See No. 058198 in § 510.600(c) of this chapter for as follows:
Related tolerances. See § 556.330 of this chapter.
Special considerations.
Federal law restricts medicated feed containing this veterinary feed directive (VFD) drug to use by or on the order of a licensed veterinarian. See § 558.6 for additional requirements.
The expiration date of VFDs for hygromycin B medicated feeds must not exceed 6 months from the date of issuance. VFDs for hygromycin B shall not be refilled.
Conditions of use. It is used in feed as follows:
Chickens—
Swine—
Notes, amendments, and revision history
Amendments
[81 FR 95005, Dec. 27, 2016]
Authority
Authority: 21 U.S.C. 354, 360b, 360ccc, 360ccc-1, 371.
Source
Source: 40 FR 13959, Mar. 27, 1975, unless otherwise noted.
Amendments
[81 FR 95005, Dec. 27, 2016]