In the report “Pharmacokinetics of intravenous continuous rate infusions of sodium benzylpenicillin and ceftiofur sodium in adult horses,” (Am J Vet Res 2017;78:17–26), the rates for the continuous rate infusion (CRI) of sodium benzylpenicillin are incorrect. In the Abstract and Discussion, the correct rate for the CRI of sodium benzylpenicillin is 2.5 mg/kg/h. In the caption for Figure 2, the correct rate for the CRI of sodium benzylpenicillin is 1.81 mg/kg/h.