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Your calves and heifers have better things to do than battle BRD. And when you consider that BRD can impact a lifetime of productivity, it’s a problem that needs a fix.1


ZACTRAN provides:

  • Rapid response in 24 hours2
  • 10-day treatment and control with a single injection2,3
  • A real alternative for BRD

ZACTRAN is indicated for the treatment of BRD associated with Mannheimia haemolytica, Pasteurella multocida, Histophilus somni and Mycoplasma bovis in non-lactating dairy cows. ZACTRAN is also indicated for the control of respiratory disease in non-lactating dairy cattle at high risk of developing BRD associated with M. haemolytica and P. multocida.4

IMPORTANT SAFETY INFORMATION: For use in cattle only. Do not treat cattle within 35 days of slaughter. Because a discard time in milk has not been established, do not use in female dairy cattle 20 months of age or older, or in calves to be processed for veal. The effects of ZACTRAN on bovine reproductive performance, pregnancy and lactation have not been determined.

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1 Van Der Fels-Klerx HJ, Martin SW, Nielen M, Huirne RBM. Effects on productivity and risk factors of bovine respiratory disease in dairy heifers; a review for the Netherlands. NJAS. 2002;50:27-45.

2 Sifferman RL, Wolff WA, Holste JE, et al. Field efficacy evaluation of gamithromycin for treatment of bovine respiratory disease in cattle at feedlots. Intern J Appl Res Vet Med. 2011;9(2):171-180.

3 Lechtenberg K, Daniels CS, Royer GC, et al. Field efficacy study of gamithromycin for the control of bovine respiratory disease in cattle at high risk of developing the disease. Intern J Appl Res Vet Med. 2011;9(2):189-197.

4 ZACTRAN product label.

Product Label