Date published: 2025-9-6

1-800-457-3801

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Zactran®

by Merial
5.0(1)
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Antibiotic for bovine respiratory disease in cattle
    • Bovine antibiotic gamithromycin
    • Treats and controls BRD
    • Contains gamithromycin
    • Supplied as a 100 mL or 500 mL bottle
    • Requires a veterinarian's prescription
Catalog #DescriptionPriceQtyAutoshipCARTFAVORITES
sc-363143Rx
150 mg/ml, 100 ml
$195.02
sc-363145Rx
150 mg/ml, 500 ml
$879.95
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Zactran® (gamithromycin) is indicated for the treatment of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida, Histophilus somni and Mycoplasma bovis in beef and non-lactating dairy cattle. Zactran® is also indicated for the control of respiratory disease in beef and non-lactating dairy cattle at high risk of developing BRD associated with Mannheimia haemolytica and Pasteurella multocida. Durable 100 ml bottle cover can be purchased to protect bottle separately, or at time of purchase of 100 ml bottle.

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

Supplied as 150 mg/ml in either 100 mL or 500 mL bottles.
Needles and syringes sold separately.
A veterinarian's prescription is required for purchase.

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