Overview Loncor™ 300 contains the active ingredient florfenicol 300 mg/ml and is indicated for the treatment of BRD and the control of BRD in beef and nonlactating dairy cattle at high risk of developing BRD associated with Mannheimia haemolytica, Pasteurella multocida and Histophilus somni.

  • Also is indicated for the treatment of bovine interdigital phlegmon, or foot rot, associated with Fusobacterium necrophorum and Bacteroides melaninogenicus in beef cattle and nonlactating dairy cattle