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Buy Zactran 100ml Injection (gamithromycin) for Beef and Non-Lactating Dairy Cattle Online
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Zactran 100ml Injection (gamithromycin

$205.00 Original price was: $205.00.$195.00Current price is: $195.00.

Zactran contains gamithromycin, a macrolide sub-class antimicrobial. For treatment of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida, Histophilus somni and Mycoplasma bovis, and for control of BRD associated with Mannheimia haemolytica and Pasteurella multocida in beef and non-lactating dairy cattle. A single dose of Zactran provides up to 10 days BRD treatment and control. Administer one dose, 2 ml per 110 lbs. SQ in the neck, not to exceed 10 ml per injection site. Zactran is not for use in female dairy cattle 20 months of age or older, or in calves to be processed for veal. Gamithromycin 150 mg/ml.

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Buy Zactran 100ml Injection (Gamithromycin) Online at Global Vet Care

Zactran 100ml Injection is a sterile veterinary antimicrobial containing gamithromycin 150 mg/mL, a long-acting macrolide antibiotic developed for beef cattle and non-lactating dairy cattle. According to the approved product labeling, it is indicated for the treatment of bovine respiratory disease (BRD) associated with Mannheimia haemolytica, Pasteurella multocida, Histophilus somni, and Mycoplasma bovis. It is also approved for the control of respiratory disease in cattle at high risk of developing BRD caused by M. haemolytica and P. multocida.

At Global Vet Care, we supply genuine veterinary medicines sourced from trusted manufacturers. We proudly serve veterinarians, ranchers, livestock producers, dairy operations, and cattle farms by providing authentic veterinary products supported by secure online ordering, competitive pricing, responsive customer service, and dependable worldwide shipping.

What Is Zactran 100ml Injection?

Zactran is a ready-to-use sterile injectable solution containing 150 mg of gamithromycin per mL. Gamithromycin belongs to the macrolide (azalide) class of antimicrobials and is formulated for single-dose subcutaneous administration in cattle. It rapidly reaches lung tissue and provides extended antimicrobial activity against the principal bacterial pathogens involved in bovine respiratory disease.

According to the approved labeling, Zactran is indicated for:

  • Treatment of bovine respiratory disease (BRD)
  • Control of BRD in cattle at high risk of infection
  • Beef cattle
  • Non-lactating dairy cattle

Key Features

  • Contains Gamithromycin 150 mg/mL
  • Long-acting macrolide antimicrobial
  • Single-dose subcutaneous administration
  • Broad-spectrum activity against major BRD pathogens
  • Professional veterinary injectable formulation
  • Suitable for beef and non-lactating dairy cattle
  • Manufactured to veterinary pharmaceutical quality standards
  • Secure online ordering
  • Competitive pricing
  • Fast USA and worldwide shipping

Why Buy from Global Vet Care?

Global Vet Care is committed to supplying genuine veterinary medicines from trusted manufacturers while providing a secure and convenient online shopping experience.

Benefits include:

  • Genuine veterinary medicines
  • Secure online checkout
  • Competitive pricing
  • Fast order processing
  • Reliable worldwide shipping
  • Responsive customer support
  • Carefully packaged veterinary products
  • Trusted livestock healthcare brands

Veterinary Applications

Zactran is prescribed by veterinarians for cattle affected by or at risk of bovine respiratory disease (BRD). According to the approved labeling, it is active against important respiratory pathogens including:

  • Mannheimia haemolytica
  • Pasteurella multocida
  • Histophilus somni
  • Mycoplasma bovis

The labeled dosage is 6 mg/kg body weight, administered once by subcutaneous injection in the neck (equivalent to 2 mL per 110 lb body weight). When the total volume exceeds 10 mL, it should be divided between injection sites.

Product Quality

Global Vet Care sources veterinary medicines from reputable manufacturers committed to maintaining high standards of pharmaceutical quality, consistency, and product integrity. Every order is carefully packaged to help preserve product quality throughout storage and transportation.

Convenient Online Ordering

Shopping with Global Vet Care is quick, secure, and convenient. Browse our extensive range of livestock veterinary medicines, complete your purchase using our encrypted checkout system, and enjoy dependable shipping to eligible destinations throughout the United States and internationally.

Shipping Information

Global Vet Care supplies veterinary medicines throughout the United States and many international destinations, including Canada, Australia, France, Germany, Spain, the Netherlands, Italy, Mexico, and many other eligible countries, subject to local veterinary medicine regulations and import requirements.

Storage Recommendations

Store Zactran at or below 25°C (77°F) with permitted excursions between 15°C and 30°C (59°F–86°F). According to the manufacturer, the product should be used within 18 months after the first puncture of the vial.

Important Veterinary Information

Zactran is for veterinary use only and is available by prescription in many countries. It is intended only for beef cattle and non-lactating dairy cattle. According to the U.S. labeling, it must not be used in female dairy cattle 20 months of age or older or in calves to be processed for veal, and treated cattle must not be slaughtered for food within 35 days of treatment. Always follow the manufacturer’s approved labeling and your veterinarian’s instructions.

Why Choose Global Vet Care?

Global Vet Care is committed to providing Trusted Veterinary Medicine,Ā dependable customer support, and reliable worldwide delivery. Whether you manage a commercial beef operation, feedlot, dairy replacement herd, or veterinary practice, we strive to provide genuine veterinary healthcare products supported by secure ordering, competitive pricing, and professional service.


Frequently Asked Questions

What is Zactran 100ml Injection?
Zactran 100ml Injection is a sterile veterinary antimicrobial containing gamithromycin 150 mg/mL for the treatment and control of bovine respiratory disease in beef and non-lactating dairy cattle.

What is the active ingredient?
The active ingredient is gamithromycin 150 mg/mL.

Which animals can receive Zactran?
According to the approved labeling, Zactran is indicated for beef cattle and non-lactating dairy cattle.

Can I buy Zactran 100ml Injection online?
Availability depends on your country’s veterinary medicine regulations and any applicable prescription requirements.

Should I consult a veterinarian before using Zactran?
Yes. Zactran should only be used according to the manufacturer’s approved labeling and under the supervision of a licensed veterinarian.

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Shipping & Delivery

Reliable Shipping

At Global Vet Care, we understand that timely delivery is essential when it comes to your pets’ health. Every order is processed with precision and dispatched through trusted international couriers to ensure fast, reliable service. From the moment your purchase is confirmed, you’ll receive a tracking number that allows you to monitor your shipment in real time. Our logistics team works diligently to minimize delays, providing peace of mind that your veterinary medicines and supplements will arrive safely, securely, and on schedule.

Worldwide Delivery

We proudly offer worldwide delivery, reaching customers across borders with the same commitment to quality and care. Whether you’re ordering locally or internationally, our packaging standards guarantee product integrity throughout transit. With streamlined customs clearance and efficient distribution channels, we make it simple for pet owners and veterinary professionals to access the products they need, wherever they are. By combining speed, transparency, and global reach, Global Vet Care ensures that your pets receive the trusted care they deserve — delivered directly to your door.

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