(Merck) Nuflor (Florefenicol) Injectable Solution for Cattle is an antibiotic indicated for the treatment of bovine respiratory disease (BRD) and foot rot, and for the control of respiratory disease in cattle at high risk for developing BRD. Each ml of Nuflor Injectable Solution contains 300 mg florfenicol. For treatment of BRD or foot rot, the recommended dosage is 3 ml per 100 lbs body weight, given by IM injection. A second dose should be given 48 hours later. Alternatively, Nuflor can be administered once by SQ injection of 6 ml per 100 lbs. For control of respiratory disease in cattle at high risk for BRD, administer 6 ml per 100 lbs, given SQ in the neck. Do not administer more than 10 ml per injection site. Not for use in cattle of breeding age. Florfenicol.