Loncor® 300 (florfenicol)

A treatment option for bovine respiratory disease and foot rot in beef and non-lactating dairy cattle. Loncor® 300 is for the treatment and control of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida and Histophilus somni in beef and non-lactating dairy cattle. Loncor is also for the treatment of bovine interdigital phlegmon (foot rot, acute interdigital necrobacillosis, infectious pododermatitis) associated with Fusobacterium necrophorum and Bacteroides melaninogenicus.

Close up picture of a cow's head

Important Product Information

Learn more about how to properly administer, store and use Loncor. See label for complete use guidelines, including all cautions and warnings. Always read, understand and follow the label and use directions.

Indications

Loncor 300 is indicated for treatment of BRD associated with Mannheimia haemolyticaPasteurella multocida and Histophilus somni, and for the treatment of bovine interdigital phlegmon (foot rot, acute interdigital necrobacillosis, infectious pododermatitis) associated with Fusobacterium necrophorum and Bacteroides melaninogenicus. Also, it is indicated for the control of respiratory disease in cattle at high risk of developing BRD associated with Mannheimia haemolyticaPasteurella multocida and Histophilus somni.


Loncor Product Information

Click to download Loncor Product Label.

Click to download Loncor Tech Sheet.

The label contains complete use information, including cautions and warnings. Always read, understand and follow the label, and use directions.

Loncor

Caution:

Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Indications:

Loncor 300 is indicated for treatment of BRD associated with Mannheimia haemolytica, Pasteurella multocida and Histophilus somni, and for the treatment of bovine interdigital phlegmon (foot rot, acute interdigital necrobacillosis, infectious pododermatitis) associated with Fusobacterium necrophorum and Bacteroides melaninogenicus. Also, it is indicated for the control of respiratory disease in cattle at high risk of developing BRD associated with Mannheimia haemolytica, Pasteurella multocida and Histophilus somni.

Directions for use: 

For treatment of BRD and foot rot:

Single subcutaneous injection to cattle at a dose rate of 40 mg/kg body weight (6 mL/100 lbs.).

Intramuscular injection at a dose rate of 20 mg/kg body weight (3 mL/100 lbs.).
A second dose should be administered 48 hours later.

For control of BRD in high-risk cattle:

Single subcutaneous injection to cattle at a dose rate of 40 mg/kg body weight (6 mL/100 lbs.).

Do not administer more than 10 mL at each site. The injection should be given only in the neck.

Not for use in female dairy cattle 20 months of age or older or in calves to be processed for veal.

Loncor is sold by Elanco or its affiliates and is not a Bayer product. The Loncor trademark is owned by Bayer and used under license.