Recommended for the vaccination of healthy horses 3 mos of age or older as an aid in the prevention of Potomac Horse Fever (PHF) caused by Neorickettsia risticii.
Dosage: 1 ml IM, repeat in 3-4 wks. Revaccinate annually or prior to anticipated exposure.
U.S. Vet. Lic. No. 124.









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