Contributes to the maturation of immunity against respiratory disease caused by both EHV1 and EHV1b viruses.
Dosage: Pregnant mares - 2 ml IM during 5th, 7th and 9th mos of pregnancy. Revaccinate annually at the same intervals; Young horses - 2 ml IM, repeat in 3-4 weeks. Revaccinate annually.
Anaphylactoid reactions may occur. Antidote : Epinephrine.
U.S. Lic. No. 112.