Bacteroides Melaninogenicus Disease Overview A respiratory disease that affects cattle. Merck Animal Health Solutions For Bacteroides Melaninogenicus NUFLOR® INJECTABLE SOLUTION Injectable antibiotic containing florfenicol. For treatment of bovine respiratory disease (BRD) (with Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni), bovine interdigital phlegmon (with Fusobacterium necrophorum and Bacteroides melaninogenicus) in cattle. Learn More