(a) Specifications. Type A medicated articles containing equal amounts of tylosin phosphate and sulfamethazine, available in concentrations of 4, 5, 10, 20, or 40 grams each, per pound.
CFR 21-558.630-2014 history
2014CFR 21-558.630-2014 Food and drugs. Part558:New animal drugs for use in animal feeds. Section558.630:Tylosin and sulfamethazine.