§ 558.274 — Hygromycin B

(a) Specifications. Type A medicated articles containing 2.4 or 8 grams hygromycin B per pound (g/lb).

(b) Sponsor. See No. 058198 in § 510.600(c) of this chapter for as follows:

(c) Related tolerances. See § 556.330 of this chapter.

(d) Special considerations. (1) 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.

(2) 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.

(e) Conditions of use. It is used in feed as follows:

(1) Chickens—

(2) Swine—