This product has been shown to be effective for the vaccination of healthy horses 6 months of age or older against abortion and respiratory disease caused by EHV-1. Duration of Immunity has not been established. For more information regarding safety and efficacy data, go to productdata.aphis.usda.gov.
DOSAGE AND ADMINISTRATION: For pregnant mares administer a 2 mL dose intramuscularly in the 5th, 7th and 9th months of pregnancy. Three doses are essential for primary immunization. Maiden and barren mares housed or pastured with pregnant mares should be vaccinated on the same schedule. For primary vaccination against respiratory disease administer three 2 mL doses intramuscularly at 4 to 6 week intervals. Historically, annual revaccination with this product has been recommended. The need for this booster has not been established. For advice on revaccination frequency, consult your veterinarian. Call toll free 1-800-892-6978 or email us at firstname.lastname@example.org