Agent | Dosage | Indications/Comments |
---|---|---|
Ampicillin sodium | 10–20 mg/kg, SC, IM, or IV, q 6–8 h; or 20–40 mg/kg, PO, q 8 h | |
Ceftiofur sodium | 3–5 mg/kg, IM, q 24 h, for 3 d (long-acting formulation: 5 mg/kg, IM, q 3–5 d) | Actinobacillus No more than 2 mL per injection site |
Gentamicin | 5 mg/kg, PO, q 24 h; or 10–15 mg/kg, SC or IM, q 24 h | Colibacillosis and swine dysentery |
Lincomycin | 10–11 mg/kg, IM, q 24 h | Mycoplasma |
Oxytetracycline | 7–11 mg/kg, IM, q 24 h; or 44–55 mg/kg, PO, q 24 h (long-acting formulation: 1.4–2.3 mg/kg, IM, q 24 h, for maximum 4 d) | |
Penicillin G, procaine | 20,000–60,000 U/kg, IM, q 24 h | |
Tetracycline | 10–20 mg/kg, IM, q 24 h (long-acting formulation: 10–20 mg/kg, IM, q 48 h) | Enteritis, pneumonia |
Trimethoprim-sulfa | 15 mg/kg, PO, q 12 h; or 30 mg/kg, PO, q 24 h |