U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
(a) [Reserved]
(b) Tolerances. The tolerances for hygromycin B are:
(1) Chickens. Edible tissues: Zero.
(2) Swine. Edible tissues: Zero.
(c) Related conditions of use. See § 558.274 of this chapter.
