Zactran (Gamithromycin) Injection for Cattle 150 mg/ml

Boehringer Ingelheim SKU: 11-04531

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Zactran (Gamithromycin) Injection for Cattle 150 mg/ml

Zactran® (gamithromycin) is a broad-spectrum antimicrobial that fights all the major BRD-causing bacteria1:

  • ZACTRAN antibiotic treats BRD associated with Mannheimia haemolytica, Pasteurella multocida, Histophilus somni and Mycoplasma bovis in beef and non-lactating dairy cattle.
  • ZACTRAN controls respiratory disease in beef and non-lactating dairy cattle at high risk of developing BRD associated with M. haemolytica and P. multocida.

ZACTRAN antibiotic is part of the macrolide class of antimicrobials. The macrolide class is proven to be the most effective for BRD control.

REACHES THE SITE OF INFECTION IN JUST 30 MINUTES.3*

After you administer Zactran® (gamithromycin), the broad-spectrum antibiotic rapidly reaches the site of infection — the lungs — where it kills bacteria and stops them from replicating.

CATTLE TYPICALLY SHOW IMPROVEMENT WITHIN 24 HOURS.5**

In a study, cattle treated with ZACTRAN antibiotic responded within 24 hours. Cattle had lower temperatures, were more alert, and were breathing easier.5

TAKES JUST 12 HOURS TO REACH PEAK CONCENTRATION IN THE LUNGS.3*

Reaches peak concentration in the lungs in half a day, compared to three days for tulathromycin products.4

PROVIDES 10 DAYS OF THERAPY FROM A SINGLE INJECTION.1

ZACTRAN antibiotic keeps working for 10 days, with an optimal post-treatment interval (PTI) of 6 to 9 days, according to recent research.6 Using a long-acting antimicrobial helps to save money, minimize animal handling, and support judicious antimicrobial use.

Possible Side Effects

Transient animal discomfort and mild to moderate injection site swelling may be seen in cattle treated with ZACTRAN.

Recommended Dosage

Use as directed by your veterinarian. 

 Administer ZACTRAN antibiotic one time as a subcutaneous injection in the neck at 2 mL/110 lbs (1.8 mL/100 lbs) body weight. If the total dose exceeds 10 mL, divide the dose so that no more than 10 mL is administered at each injection site.

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. Subcutaneous injection may cause a transient local tissue reaction in some cattle that may result in trim loss of edible tissues at slaughter. NOT FOR USE IN HUMANS. KEEP OUT OF REACH OF CHILDREN.

Storage Instructions

Store at or below 77 oF (25 oC) with excursions between 59–86 oF (15–30 oC). Use within 18 months of first puncture.