All the expertise and support of Merck Animal Health plus the benefits of tulathromycin.

Available in 50, 100, 250 and 500 mL vials

Target Bovine Respiratory Disease with Confidence

Access to the industry’s leading technical service team with extensive expertise in managing BRD

Part of the industry’s most comprehensive antimicrobial portfolio

Pharmaceutical equivalence to the pioneer product, with identical amounts of the same active ingredient

Backed by continuous investment in real-world BRD and animal health solutions with an eye to the future


For beef and non-lactating dairy cattle

  • Treats and controls respiratory disease caused by all four major pathogens, including Mycoplasma bovis
  • Treats pinkeye and foot rot

For suckling, dairy and veal calves

  • Treats respiratory disease caused by all four major pathogens

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DOSAGE & ADMINISTRATION: Inject subcutaneously as a single dose in the neck at a dosage of 2.5 mg/kg (1.1 mL/100 lb) body weight (BW). Do not inject more than 10 mL per injection site.
IMPORTANT SAFETY INFORMATION: AROVYN has a pre-slaughter withdrawal time of 18 days in cattle. Do not use in female dairy cattle 20 months of age or older. Do not use in animals known to be hypersensitive to the product. See full Prescribing Information.