(Merck) Nuflor Gold is an antibiotic indicated for treatment of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida, Histophilus somni, and Mycoplasma bovis in beef and non-lactating dairy cattle. Each ml of Nuflor Gold Injectable Solution contains 300 mg florfenicol. Nuflor Gold should be administered once by SQ injection of 6 ml per 100 lbs. Do not administer more than 15 ml per injection site. Do not use in female dairy cattle 20 months of age or older, or in calves to be processed for veal. Florfenicol.