IMRAB Large Animal is a killed virus rabies vaccine for use in cattle, sheep and horses 3 months of age or older. Revaccinate cattle and horses annually and sheep one year after the first vaccination, then every 3 years. Protects against rabies For use in healthy cattle, horses and sheep Killed virus vaccine Available in 10 or 25 doses 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.