21 CFR §558.115
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)Approvals. Type A medicated articles: 2.2. percent (10 grams per pound) to 066104 in § 510.600(c) of this chapter.
- (b)Related tolerances. See § 556.100 of this chapter.
- (c)Special considerations. Do not use in Type B or Type C medicated feeds containing bentonite.
- (d)Conditions of use. It is used for swine as follows:
- (1)Amount per ton. 10-25 grams (0.0011-0.00275 percent).
- (2)Amount per ton. 50 grams (0.0055 percent).
- (i)Indications for use. For control of swine dysentery (vibrionic dysentery, bloody scours, or hemorrhagic dysentery); control of bacterial swine enteritis (salmonellosis or necrotic enteritis caused by Salmonella choleraesuis); increased rate of weight gain and improved feed efficiency.
- (ii)Limitations. Not for use in pregnant swine or swine intended for breeding purposes. Do not feed to swine within 42 days of slaughter.
- (3)Amount per ton. Carbadox 50 grams (0.0055 percent) plus pyrantel tartrate, 96 grams (0.0106 percent).
- (i)Indications for use. For control of swine dysentery (vibrionic dysentery, bloody scours, or hemorrhagic dysentery); control of bacterial swine enteritis (salmonellosis or necrotic enteritis caused by Salmonella choleraesuis); aid in the prevention of migration and establishment of large roundworm (Ascaris suum) infections; aid in the prevention of establishment of nodular worm (Oesophagostomum) infections.
- (ii)Limitations. Do not feed to swine over 75 pounds; do not feed within 10 weeks of slaughter; consult a veterinarian before feeding to severely debilitated animals; feed continuously as sole ration. Do not use in complete feeds containing less than 15 percent crude protein.
- (4)Carbadox may also be used in combination with oxytetracycline as in § 558.450.