| dose determination and confirmation of a long-acting formulation of ceftiofur (ceftiofur crystalline free acid) administered subcutaneously for the treatment of bovine respiratory disease. | the objective of this work was to determine and confirm an effective dose of ceftiofur crystalline free acid sterile oil suspension (ccfa-ss, 100 mg ceftiofur equivalents (ce)/ml], a long-acting single-administration ceftiofur formulation, for the treatment of the bacterial component of bovine respiratory disease (brd). study 1 was a dose determination study that used an intratracheal mannheimia haemolytica (pasteurella haemolytica) challenge model to evaluate single-administration doses of ccfa ... | 2002 | 12081612 |