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* FREE STANDARD GROUND SHIPPING within the contiguous United States on qualifying orders of $100 or more. Certain items marked free shipping, perishable, drop ship, special order, and orm-d are not included in the $100 total. Handling fee of $1 applies to all orders. Oversize fees are listed on product page. Call for drop ship fees. Express delivery is available upon request. Perishable items (including vaccines and some medications) can only be shipped overnight, and are not eligible for free standard ground shipping. Other restrictions may apply.

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Encevac-T with Havlogen
Encevac-T with Havlogen

Encevac-T with Havlogen

Part Number:6296|



Manufacturer |

Merck Animal Health
  • Vaccination for horses 6 months or older
  • Preventative against sleeping sickness and tetanus toxoid
Notice NOTICE: This item requires special shipping!

OVERNIGHT SHIPPING ONLY due to the perishable nature of this product. Same day shipping only on orders placed before Monday 11 AM CT and Tuesday 11 AM CT. Orders placed after Tuesday 11 AM CT will be shipped the following Monday. Overnight money-back delivery service guarantee has been suspended by FedEx and UPS our third-party carriers due to work and travel restrictions in response to the impact of Covid-19 around the world. No shipments on holidays. Contact Customer Service for questions.

Your Price: $11.99

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1 Dose with Syringe
Special order item. To order call 800-344-6337 or email [email protected]

Encevac®-T with Havlogen®

Manufacturer: Merck Animal Health
Equine Vaccine
Encephalomyelitis Vaccine
Eastern & Western, Killed Virus
Tetanus Toxoid

A formaldehyde inactivated, adjuvanted polyvalent equine vaccine-toxoid consisting of Eastern and Western Equine Encephalomyelitis viruses and purified Tetanus Toxoid.


For vaccination of healthy horses, 6 months of age or older, against Eastern and Western Equine Encephalomyelitis and Tetanus.


A valid veterinarian prescription is required to purchase hypodermic needles and syringes in the states of Connecticut, Delaware, Florida (Broward and Miami-Dade counties ONLY), Illinois, Minnesota, New Hampshire, New Jersey and New York. California residents may only purchase needles when also purchasing an injectable product, or have a purchase history of injectable products.