Forcyl is a sterile, ready-to-use antimicrobial solution of marbofloxacin for injection. Forcyl is indicated for the individual treatment of bovine respiratory disease (BRD) associated with susceptible strains of Mannheimia hæmolytica and Pasteurella multocida in affected cattle, and the treatment of acute mastitis in cattle caused by sensitive strains of Escherichia coli. Forcyl is available in a 50 mL presentation. 


Therapeutic classification

Marbofloxacin is a synthetic third-generation fluoroquinolone and is a bactericidal antimicrobial which acts by inhibiting bacterial DNA gyrase leading to cell death. Marbofloxacin has a broad-spectrum of in vitro activity against Gram-positive and Gram-negative bacteria.

Forcyl: a responsible treatment


  • Suitable for targeted treatment of sick animals.
  • Single treatment for convenience.
  • Short exposure time to the antibiotic.
  • Rapid absorption and a high Cmax
  • Extended post-antibiotic effect.
  • Optimised dosage in order to minimise the risk of development of antibiotic resistance.

Due to legal restrictions in New Zealand information on this product is only available to registered veterinarians. 
If you are a veterinarian please refer to for information on prescription-only products.