BotVax B is an equine toxoid vaccine for the prevention of equine botulism due to Clostridium botulinum Type B in healthy horses, including pregnant mares. Clostridium botulinum Type B Toxoid For use in horses, including pregnant mares Helps prevent equine botulism Type B All vaccines are shipped Express 1-2 Days. A $29.95 flat rate fee is charged for all orders containing vaccines. Someone should be present to sign for and receive the vaccine order when it ships to you. For more shipping info click here. NOTE: This item cannot be shipped to Minnesota, Canada and P.O. Boxes. Use must be approved by your veterinarian.